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BMW Drivetrain Parts

Building your perfect BMW is more than just adding horsepower and stiff suspension. Your drivetrain needs attention in order to deliver power effectively. Most BMWs feature comfortable clutch discs, heavy flywheels, long shifter throws, and open differentials. The drivetrain transmits power to the wheels, but can also be a source of power loss when it is designed for comfort rather than performance. Everything on this page will help you improve your power delivery and driving experience by providing custom Limited Slip Differentials, Short Shift Conversions, Performance Clutch Discs, Lightweight Flywheels, and anything else your BMW needs to be the perfect driving experience.

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Lemforder - Corporate Logo
T#:378218
Part#: 11812283798
In Stock
$ 99.99 USD
Free Shipping
$ 99.99 USD
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OEM Lemförder motor mounts are the perfect replacement to prevent vibrations and knocks from continuing.
IRP - Individual Racing Parts - Corporate Logo
T#:569029
Part#: IRPSS-3BCS
In Stock
$ 499.99 USD
Free Shipping
$ 499.99 USD
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IRP (Individual Race Parts) is a performance aftermarket parts company that focuses on high quality and long term reliability. The Universal Short Shifter V3 CS was developed to express their belief and compete with the much more expensive CAE Ultra Shifter, but at half the cost. The entire shifter assembly is made from all anodized aluminum and stainless steel for strength, durability, and looks. The V3 CS is a perfect replacement when looking for a shifter that gives you short, crisp, precise shifts with a 60% reduction in travel, plus a new return to center feature.
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IRP - Individual Racing Parts - Corporate Logo
T#:569037
Part#: IRPSS-DB
In Stock
$ 52.99 USD
Free Shipping on orders $49 and up
Developed specifically for the IRP V2, V3, and V3 CS Short shifters, this Dust Boot mounts to the short shifters base to keep out dirt and noise that would normally come through the otherwise unprotected opening in your center console.
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IRP - Individual Racing Parts - Corporate Logo
T#:401413
Part#: IRPEGS-2
Ships in 3 Business Days
$ 185.99 USD
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$ 185.99 USD
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Stock mounts are made from soft rubber and are sometimes filled with fluid to give a car the most comfortable ride possible. The soft rubber and fluid helps to reduce the total amount of vibration, noise, and harshness (NVH) that is transferred into the cabin. The problem with this is driveline slop. The stock mounts allow a lot of excess movement and increases the amount of time it takes to transfer power to the wheels.

In order to address this issue, performance mounts can be substituted to reduce the amount of slop and transfer power to the wheel quicker. Two options for this are polyurethane mounts and solid mounts.

Solid mounts are great for an immediate transfer of power but allow for a ton of noise and vibration to be felt and heard in the cabin of the vehicle. This is great for the track where there aren't any issues with excess harshness, but as a daily driver, this can become an annoying pain in the neck.

The best middle ground is Polyurethane. Polyurethane is much stiffer than rubber and gives you the much stiffer feel you may be looking for. This allows for the increase in responsiveness, but isn't so extreme that it transfers all of the sound and vibrations into the cabin. This makes it much more comfortable for daily use while still reinforcing your driveline.

Features:

  • Aluminum and Polyurethane Construction
  • 80A Durometer Rating
  • New Hardware
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Lemforder - Corporate Logo
T#:374279
Part#: 33171093008
In Stock
$ 29.99

This product was last offered at the strikethrough price on
03-10-2026

$ 21.39 USD
Free Shipping on orders $49 and up
$ 21.39 USD
Free Shipping on orders $49 and up

Bushings tends to wear over time and split or even break free from the internal sleeve, causing excessive movement and sloppy control feel. OEM Lemförder bushings are the perfect option to restore suspension back to day 1 quality.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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IRP - Individual Racing Parts - Corporate Logo
T#:401430
Part#: IRPFD-78-12
In Stock
$ 123.99 USD
Free Shipping
$ 123.99 USD
Free Shipping

Stock rubber flex discs allow for a slight amount of give, especially under heavy acceleration and, depending on the amount of force applied, could potentially tear or split. This slight flex/give can prevent instantaneous transfer of force to the wheels, making accelerations unpredictable, or even lead to your vehicle being stuck on the side of the track. To combat this, IRP's Performance Flex Disc was developed. Made of CNC machined aluminum, this flex disc won't actually flex, and the polyurethane bushings will only provide a enough give to dampen some vibrations and prevent damaging the transmission. This is perfect for high torque applications such a drag cars and dedicated track cars that want immediate response and long term reliability.

78mm Diameter with fitment for M12 nuts/bolts.

Applicatons: 
1992-1998 E36 BMW 318i 318is 318ti 318ic - Manual Transmission 
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic - Manual and Automatic Transmission 
1992-1998 E36 BMW 328i 328is 328ic - Automatic Transmission 
1999-2005 E46 BMW 323i 323ci 325i 325ci - Manual Transmission 
1997-2002 Z3 BMW Z3 1.9 - Manual Transmission 
1999-2000 Z3 BMW Z3 2.3 M52TU - Manual and Automatic Transmission 
2001-2002 Z3 BMW Z3 2.5i - Manual Transmission 
1997-4/1999 Z3 BMW Z3 2.8 - Automatic Transmission 
2003-2006 Z4 BMW Z4 2.5i - Manual and Automatic Transmission 

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IRP - Individual Racing Parts - Corporate Logo
T#:401428
Part#: IRPFD-96
In Stock
$ 165.00 USD
Free Shipping
$ 165.00 USD
Free Shipping

Stock rubber flex discs allow for a slight amount of give, especially under heavy acceleration and, depending on the amount of force applied, could potentially tear or split. This slight flex/give can prevent instantaneous transfer of force to the wheels, making accelerations unpredictable, or even lead to your vehicle being stuck on the side of the track. To combat this, IRP's Performance Flex Disc was developed. Made of CNC machined aluminum, this flex disc won't actually flex, and the polyurethane bushings will only provide a enough give to dampen some vibrations and prevent damaging the transmission. This is perfect for high torque applications such a drag cars and dedicated track cars that want immediate response and long term reliability.

96mm Diameter

Fits the following BMWs:
2008+ E82 BMW 128i
5/1986-1991 E30 BMW 325e 325es M3 - Manual Transmission 
1987-1991 E30 BMW 325ix - Between Transmission & Transfer Case
1996-1998 E36 BMW 328i 328is 328ic - Manual Transmission only 
1999-2005 E46 BMW 323i 323ci 325i 325ci - Automatic & SMG Transmissions only 
1999-2005 E46 BMW 328i 328ci 330i 330ci - Manual, Auto, and SMG
2006+ E90 BMW 325i 328i 330i - Manual or Automatic Transmission 
2006+ E91 BMW 328i - Manual or Automatic Transmission 
2007+ E92 BMW 328i - Manual or Automatic Transmission 
2007+ E93 BMW 328 - Manual or Automatic Transmission 
1982-1983 E28 BMW 528e - Manual Transmission
5/1986-1988 E28 BMW 528e - Manual Transmission
1982-1988 E28 BMW 533i 535i 535is M5 - Manual Transmission 
1991-1995 E34 BMW 525i - Automatic Transmission
1989-6/1992 E34 BMW 525i - Manual Transmission
1993-1995 E34 BMW 530i - Manual or Automatic Transmission
1989-1993 E34 BMW 535i - Manual Transmission
2001-2003 E39 BMW 525i - Automatic Transmission
1997-2003 E39 BMW 528i 530i - Manual or Automatic Transmission 
1980-1989 E24 BMW 633csi 635csi M6 - Manual Transmission
2000-2006 E53 BMW X5 3.0i - for Rear Driveshaft
2000-2003 E53 BMW X5 4.4i X5 4.6is - for Rear Driveshaft
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive48i - for Rear Driveshaft 
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i - Automatic Transmission 
1997-2002 Z3 BMW Z3 2.8 Z3 3.0i - Manual or Automatic Transmission 
2003-2008 Z4 BMW Z4 2.5i - Automatic or SMG Transmission
2003-2008 Z4 BMW Z4 3.0i Z4 3.0si 

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Lemforder - Corporate Logo
T#:7556
Part#: 22111092824
In Stock
Sale - Save 23% $ 90.99

This product was last offered at the strikethrough price on
05-14-2026

$ 70.50 USD
Free Shipping
Sale - Save 23%
$ 90.99

This product was last offered at the strikethrough price on
05-14-2026

$ 70.50 USD
Free Shipping

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

This mount is for the right/passenger's side.

This is a direct replacement for the factory motor mount for M62 V8 engines and M73N V12 engines. Manufactured by OE supplier Lemfoerder.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMWs:
1997-2003 E39 BMW 540i
1997-2001 E38 BMW 740i 740il
1999-2001 E38 BMW 750il

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Lemforder - Corporate Logo
T#:6032
Part#: 22316773125
In Stock
$ 57.99

This product was last offered at the strikethrough price on
03-26-2026

$ 40.00 USD
Free Shipping on orders $49 and up
$ 40.00 USD
Free Shipping on orders $49 and up
If your transfer case bushing is old, hardened, or cracked, it can lead to excess noise and vibration. Worn out mounts can also cause damage to other driveline mounts over time if not addressed. Replace your transfer case mount with this new mount to eliminate noise and vibration and prevent further wear and tear.
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Lemforder - Corporate Logo
T#:7555
Part#: 22111092823
Ships in 1 Business Day
$ 105.99

This product was last offered at the strikethrough price on
05-07-2026

$ 101.99 USD
Free Shipping
$ 101.99 USD
Free Shipping

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

This mount is for the left/dirver's side.

This is a direct replacement for the factory motor mount for M62 V8 engines and M73N V12 engines. Manufactured by OE Supplier Lemfoerder.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMWs:
1997-2003 E39 BMW 540i
1997-2001 E38 BMW 740i 740il
1999-2001 E38 BMW 750il

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Lemforder - Corporate Logo
T#:398031
Part#: 22116754608
In Stock
Sale - Save 29% $ 61.99

This product was last offered at the strikethrough price on
05-03-2026

$ 44.25 USD
Free Shipping on orders $49 and up
Sale - Save 29%
$ 61.99

This product was last offered at the strikethrough price on
05-03-2026

$ 44.25 USD
Free Shipping on orders $49 and up

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big-name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider.

Fits the following chassis:
E39 w/ M54 M52

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Lemforder - Corporate Logo
T#:351069
Part#: 23711137817KT
In Stock
$ 65.99 USD
Free Shipping on orders $49 and up
OEM replacement transmission mounts. See applications below Alternate part number 22316771219.

This item fits the following BMWs:
2008+  E82 BMW  128i 135i  with Automatic Transmission
1992-1994  E36 BMW  325i 325is  with Manual Transmission
1995-1998  E36 BMW  323is 323ic 325i 325is 325ic 328i 328is 328ic M3  with Manual or Automatic Transmission
1996-1998  E36 BMW  318i 318is 318ti 318ic  with Automatic Transmission 
1999-2005  E46 BMW  323i 323ci 325i 325ci 328i 328ci 330i 330ci  with either Manual or Automatic Transmission
2006+  E90 BMW  325i 328i 330i 335i  with Automatic Transmission
2007+  E92 BMW  328i 335i 335is  with Automatic Transmission
2007+  E93 BMW  328i 335i  with Automatic Transmission
1997-1999  E39 BMW  528i  with Automatic Transmission
03/2001-2003  E39 BMW  525i, 530i  with Automatic Transmission
1997-2002  Z3 BMW  Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Roadster  with either Manual or Automatic Transmission
2003-2005  Z4 BMW  Z4 2.5i Z4 3.0i  with Automatic or SMG transmission
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Lemforder - Corporate Logo
T#:398973
Part#: 31221093427
Ships in 1 Business Day
$ 234.99

This product was last offered at the strikethrough price on
05-07-2026

$ 225.99 USD
Free Shipping
$ 225.99 USD
Free Shipping

This is the direct replacement wheel bearing and hub assembly to fit the front of the E39 Non-M. We sell the OE and OEM bearings so you get the highest quality part available. This is the hub with the bearing and it bolts to the carrier (new hardware is recommended). 

Replace your wheel bearings when you hear groaning or rumbling sounds from the front. These sounds increase in frequency as speed increases and will get louder as you turn the wheel (and put load on the worn side). Failing wheel bearings can also attribute to annoying 'pad knockback' on the track. 

Sold per bearing/hub. 

Fits the following BMW's:
1998 - 2004 E39 Touring 525i 528i 540i
1996 - 2004 E39 Sedan 525i 528i 530i 540i

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IRP - Individual Racing Parts - Corporate Logo
T#:401279
Part#: IRPSS-3B
Ships on Nov 9, 2026
$ 536.99 USD
Free Shipping
$ 536.99 USD
Free Shipping
The shifter in manual BMWs are said to provide a perfect blend of a sporty and comfortable feel. For some, this is perfect. For others that daily drive or track their BMW, they want shorter shifter travel and a much tighter feel. If you are one of these people, then we have a great option for you, the Short Shifter V3 from IRP, the successor of the V2.
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IRP - Individual Racing Parts - Corporate Logo
T#:4469704
Part#: IRPSS46-MB
Ships on Nov 9, 2026
$ 110.99

This product was last offered at the strikethrough price on
05-27-2026

$ 95.99 USD
Free Shipping on orders $49 and up
$ 95.99 USD
Free Shipping on orders $49 and up
Already own an IRP V2 or V3 short shifter but want a cleaner installation? This E46 Mounting plate can transform your universal-style short shifter into a direct-fit bolt-on shifter specifically for your E46! CNC milled and Anodized coated, this shifter plate is designed to allow your shifter to be upgraded to a Plug & Play style, utilizing the factory shifter mounting points for a simple and reliable install. NOTE: Does not fit BMW V3 Self Centering short shifters, only standard V2 and V3 shifters.
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Lemforder - Corporate Logo
T#:399269
Part#: 22116770793
Ships on Feb 4, 2027
$ 109.99 USD
Free Shipping
$ 109.99 USD
Free Shipping

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMW Chassis:
E53 48IS,E53 X5

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Lemforder - Corporate Logo
T#:398296
Part#: 11811139019
Ships on Feb 4, 2027
$ 74.99 USD
Free Shipping
$ 74.99 USD
Free Shipping

These are the stock rubber motor mounts. When motor mounts begin to wear the engine can shift and contact other things in the engine compartment, mostly cooling-related parts. This is especially troublesome on older models. Don't neglect your motor mounts! A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

Fits the following chassis:
E34, E32

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Lemforder - Corporate Logo
T#:359646
Part#: 11811141377
Back Ordered
$ 66.99 USD
Free Shipping on orders $49 and up

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles). OEM Lemförder motor mounts are the perfect replacement to prevent vibrations and knocks from continuing.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Sold per mount.

This item fits the following BMWs:
1992-1998 E36 BMW 318i 318is 318ic 318ti
1996-1998 Z3 BMW Z3 1.9

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OS Giken - Corporate Logo
T#:200230
Part#: MN024-HA
In Stock
$ 1,650.00 USD
Free Shipping
$ 1,650.00 USD
Free Shipping
If your MINI is only for competition use - autocross, time trial, or racing - this OS Giken LSD may be a better option than the standard 1.5-way unit. This race-spec LSD was developed over several seasons of competitive autocross. It uses a new high pressure ring for quicker response time and faster lockup. This makes it ideal for quick transitions and rapid on/off throttle motions typically encountered on the track. It's a one-way lockup so the car stays predictable under braking and gives the driver more feedback. For street use we prefer the normal 1.5-way setup because it's more progressive during lockup.

The biggest shortcoming of any MINI is not the lack of power - it's being able to put all of its useable power to the ground! The Cooper S is basically a one-wheel drive car and sending 200+ hp through that one tire does not live up to its full potential. A limited-slip differential is essential to any highly-tuned FWD car. The OS Giken Super-Lock is one of the most advanced clutch-type differentials on the market, and a favorite of autocrossers and road racers. The OS LSD for the MINI features ten clutch discs for a smooth and progressive lockup. By putting all of your available power to the ground you're at an instant advantage over the stock open-type differential. You'll be able to power through corners and on rough surfaces instead of uselessly spinning a wheel. Understeer is reduced by giving more bite to the tire that has the most traction. With an LSD in your MINI Cooper S you'll wonder why it wasn't first on your list to begin with (or why MINI/BMW left it out in the first place...).

The MNI OS Giken LSD uses a special 80W250 fluid that must be purchased separately.

This item fits the following BMWs:
2002-2006 R53 MINI MINI Cooper S (6MT manual transmission only)
2007-2013 R56 MINI MINI Cooper S (6MT manual transmission only)
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IRP - Individual Racing Parts - Corporate Logo
T#:401427
Part#: IRPFD-110
Special Order: No Guaranteed ETA
$ 178.99 USD
Free Shipping
$ 178.99 USD
Free Shipping

Stock rubber flex discs allow for a slight amount of give, especially under heavy acceleration and, depending on the amount of force applied, could potentially tear or split. This slight flex/give can prevent instantaneous transfer of force to the wheels, making accelerations unpredictable, or even lead to your vehicle being stuck on the side of the track. To combat this, IRP's Performance Flex Disc was developed. Made of CNC machined aluminum, this flex disc won't actually flex, and the polyurethane bushings will only provide a enough give to dampen some vibrations and prevent damaging the transmission. This is perfect for high torque applications such a drag cars and dedicated track cars that want immediate response and long term reliability.

110mm Diameter

This item fits the following BMW Chassis: 
E60 M5,E63 M6,E63,E90,E92,E93 

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Lemforder - Corporate Logo
T#:393383
Part#: 22116762608
In Stock at Vendor
$ 111.99

This product was last offered at the strikethrough price on
05-07-2026

$ 107.99 USD
Free Shipping
$ 107.99 USD
Free Shipping

Motor mounts can fail over time, leading to excessive vibration being transferred to the body and engine movement. OEM Lemförder motor mounts are the perfect replacement to prevent vibrations and knocks from continuing.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Lemforder - Corporate Logo
T#:594919
Part#: 22116855460
Ships in 1 Business Day
$ 151.99

This product was last offered at the strikethrough price on
07-08-2026

$ 150.69 USD
Free Shipping
$ 150.69 USD
Free Shipping
Excessive driveline vibration is cause by one of a few things, but more than likely, it is the mounts in your vehicle. They keep your engine and transmission secure for more positive shifting and driveline triangulation as well as absorbing vibration. If any of these are occuring in your BMW, it's time to examine your mounts. This motor mount is one step towards repair, it will absorb those nasty vibrations, quieting your cabin and reducing vehicle shake.
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OS Giken - Corporate Logo
T#:1387
Part#: BM237-HA
Ships in 2 Business Days
$ 1,950.00 USD
Free Shipping
$ 1,950.00 USD
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The M Dynamic limited slip unit on the M3 is designed to be a pure street car differential. It's simply not up to the rigors of professional or amateur racing. The OS Giken Super Lock LSD is giant step up in from a stock M3 lsd unit. It's ready for the extreme conditions of racing, offers 100% progressive locking capability, and is able to do this while operating smoothly and quietly. It's use of advanced technologies that make it perfect for both street cars AND pro race cars... and everything in between. We're excited to be carrying the OS Giken LSD unit in our performance catalog, as we've been using them in our own Championship winning M3 race cars.

OS Giken incorporated revolutionary new ideas when developing the their own limited slip diff, utilizing their accumulated racing knowledge and experience and over 4 years of development. Their design uses an unprecedented number of friction plates (up to 28 total!) for better locking force, better engagement/disengagement, and less generated heat. The end result of their efforts is the OS Giken's OS Super Lock LSD which offers incredible durability and reliability on street and track driven BMWs. The use of highest quality materials, precise machining, forged gears and sound engineering makes this LSD durable and reliable enough for road racing performance (which we can personally vouch for!). This is such a great design, in that it can be used in any situation -- whether it's for a street car, or a 100% Professional race car. Zero break-in required. Super smooth and quiet engagement, and 100% progressive locking capability. Professional installation is recommended.

This Limited Slip Differential Unit fits the following BMWs:
2001-2006 E46 M3 coupe & convertible
2008-2013 E9X M3 coupe & convertible
1991-1995 E34 M5 sedan
1999-2003 E39 M5 sedan
2006-2008 E85 Z4M Z4 M Coupe, Z4 M Roadster
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OS Giken - Corporate Logo
T#:34382136
Part#: BM237HAKT
Ships in 2 Business Days
$ 2,100.00 USD
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Upgrade to a better performing LSD, includes tune.


OS Giken - Corporate Logo
T#:2209
Part#: BM533-BF6EA
Ships in 2 Business Days
$ 999.99 USD
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$ 999.99 USD
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This kit includes parts needed to overhaul the OS Giken E90/E92 M3 Grand Am legal clutch kit, including clutch discs (2), center plates, and cover bolts (all). As used in the Grand Am KONI Challenge GS class V8 M3s, including both Turner Motorsport E92 M3 race cars.
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OS Giken - Corporate Logo
T#:2193
Part#: BM533-EB
Ships in 2 Business Days
$ 90.00 USD
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$ 90.00 USD
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This rugged tool simulates the input shaft of the 2008-2013 E9X M3 transmission, for easy installation of the OS Giken racing clutch kit. This tool is simply a must if you will be installing a clutch into the newer V8 model M3. This is a OS Giken part but can be used for other E9X M3 clutch kits where a more durable metal tool is called for.
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OS Giken - Corporate Logo
T#:338592
Part#: BM533-BF6
Ships in 2 Business Days
Starting at $ 2,150.00 USD
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Starting at $ 2,150.00 USD
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This racing flywheel and clutch kit is made by renowned drivetrain specialist OS Giken. Complete fly wheel & clutch setup as used on our own TMS E92 M3 race cars. This setup is ideal for both endurance racing or high horsepower applications that have very limited street use but require more clamping power than stock. It has been approved for use in the GRAND AM Continential Challenge GS race class, approved by GRAND AM rules and regulations.

Includes flywheel, clutch discs (2 disc clutch), center plate, pressure plate, aluminum cover, 360 degree housing (for clutch assembly), cover bolts, flywheel bolts, throw-out bearing, and release sleave assembly. Weighs 5% less than the stock E90/E92 M3 flywheel and clutch setup. This setup is intended for racing use only (not for daily driven street cars.) We recommend using the OS Giken clutch alignment tool during installation (sold separately).
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Lemforder - Corporate Logo
T#:20254594
Part#: 22116859846
Ships in 1-2 days
$ 161.99

This product was last offered at the strikethrough price on
05-07-2026

$ 156.99 USD
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$ 156.99 USD
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Excessive driveline vibration is cause by one of a few things, but more than likely, it is the mounts in your vehicle. They keep your engine and transmission secure for more positive shifting and driveline triangulation as well as absorbing vibration. If any of these are occuring in your BMW, it's time to examine your mounts. This motor mount is one step towards repair. This Original BMW mount will function and fit just like stock. Not only will it fit great, it will absorb those nasty vibrations, quieting your cabin and reducing vehicle shake. Take a look at your other mounts prior to ordering. Grab your engine by the top and shake it. If it moves rather significantly, replace all the mounts to stiffen up your entire driveline for better performance.
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IRP - Individual Racing Parts - Corporate Logo
T#:2423579
Part#: IRPEM-9XAL
Special Order: No Guaranteed ETA
$ 264.99 USD
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Direct replacement performance mounts. Features: CNC machined lightweight high quality anodized aluminum Replaces OE: 22116760330; 22116773744 Includes: 2 pcs. aluminum engine mounts
IRP - Individual Racing Parts - Corporate Logo
T#:401429
Part#: IRPFD-78-10
Ships on Sep 23, 2026
$ 123.99 USD
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$ 123.99 USD
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Stock rubber flex discs allow for a slight amount of give, especially under heavy acceleration and, depending on the amount of force applied, could potentially tear or split. This slight flex/give can prevent instantaneous transfer of force to the wheels, making accelerations unpredictable, or even lead to your vehicle being stuck on the side of the track. To combat this, IRP's Performance Flex Disc was developed. Made of CNC machined aluminum, this flex disc won't actually flex, and the polyurethane bushings will only provide a enough give to dampen some vibrations and prevent damaging the transmission. This is perfect for high torque applications such a drag cars and dedicated track cars that want immediate response and long term reliability.

78mm Diameter with fitment for M10 nuts/bolts.

Fits the following BMWs:
1977-1983  E21  - 320i 
1983-5/1986  E28  - 528e - Manual Transmission 
5/1986-1988  E28  - 528e - Manual or Automatic Transmission 
1984-1991  E30  - 318i, 318is, & 318ic 
1984-1986  E30  - 325e/es (thru 04/1986) 
1986-1991  E30  - 325i, 325is, 325ic 
1987-1991  E30  - 325ix 
1992-1997  E36  - 318i 318is 318ic - For Automatic Transmission only 
1996-1998  Z3  - Z3 1.9 liter roadster

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IRP - Individual Racing Parts - Corporate Logo
T#:401261
Part#: IRPSS-2B
Special Order: No Guaranteed ETA
$ 420.99 USD
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$ 420.99 USD
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The shifter in manual BMWs are said to provide a perfect blend of a sporty and comfortable feel. For some, this is perfect. For others that daily drive or track their BMW, they want shorter shifter travel and a much tighter feel. If you are one of these people, then we have a great option for you, the Short Shifter V2 from IRP.
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IRP - Individual Racing Parts - Corporate Logo
T#:401414
Part#: IRPEGS-1
Special Order: No Guaranteed ETA
$ 185.99 USD
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$ 185.99 USD
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Stock mounts are made from soft rubber and are sometimes filled with fluid to give a car the most comfortable ride possible. The soft rubber and fluid helps to reduce the total amount of vibration, noise, and harshness (NVH) that is transferred into the cabin. The problem with this is driveline slop. The stock mounts allow a lot of excess movement and increases the amount of time it takes to transfer power to the wheels.

In order to address this issue, performance mounts can be substituted to reduce the amount of slop and transfer power to the wheel quicker. Two options for this are polyurethane mounts and solid mounts. 

The middle ground is Polyurethane. Polyurethane is much stiffer than rubber, but these still let a large amount of movement in comparison to solid mounts. These are great for sporty, aggressive street driving, but for the track are not ideal.

For the track, solid mounts are great. Solid mounts give you an immediate transfer of power, at the cost of increase NVH. This is great for the track where comfort is the least of your worries and power is all that is important.

Features:

  • Aluminum and Polyurethane Construction
  • 80A Durometer Rating
  • New Hardware
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IRP - Individual Racing Parts - Corporate Logo
T#:587016
Part#: IRPDB-9XMAL
Special Order: No Guaranteed ETA
$ 133.99 USD
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$ 133.99 USD
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These aluminum mounts are a direct replacement for the stock rubber bushings and have been lightened to remove excess weight. Using aluminum instead of rubber eliminates the "wind up" inherent in rubber mounts, and this deflection slows suspension & drivetrain response. The tradeoff is an increase in NVH. Features: Stiffens chassis/Improves stability Less wear of other components Better durability Provides better control of chassis geometry Replaces OE: 33312284019, 33312283384 Recommended for racing use only Includes: 1 rear aluminum bushing 2 front aluminum bushings
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IRP - Individual Racing Parts - Corporate Logo
T#:4469703
Part#: IRPSS46-3B
Special Order: No Guaranteed ETA
$ 505.00 USD
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$ 505.00 USD
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A direct-fit performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank!
Lemforder - Corporate Logo
T#:5082405
Part#: 22316853453
Special Order: No Guaranteed ETA
$ 71.99 USD
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$ 71.99 USD
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Lemforder - Corporate Logo
T#:398575
Part#: 11811094150
Special Order: No Guaranteed ETA
$ 56.99 USD
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Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles). 

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

This item fits the following BMW Chassis:
E34 E31 E32

Fits BMW Engines including:
M60,M62

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Lemforder - Corporate Logo
T#:399252
Part#: 33316770851
Special Order: No Guaranteed ETA
$ 107.99 USD
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$ 107.99 USD
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Absorbs vibration in the drive-train to help dampen noise that would be transferred to the cabin of the vehicle.

This item fits the following BMW Chassis:
E36,E38,E39

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OS Giken - Corporate Logo
T#:30164597
Part#: MN023-BJ5
Back Ordered
$ 1,920.00 USD
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$ 1,920.00 USD
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MINI R Chassis OS Giken Clutch Kit - STR Series enhances performance and durability for your BMW or MINI. This high-performance clutch kit from OS Giken is designed specifically for MINI R chassis models, offering improved torque capacity and durability. With its STR series design, it ensures smooth engagement and precise control, perfect for both street and track applications. Engineered with high-quality materials, this clutch kit provides reliable performance under demanding conditions.

  • Enhances performance and durability
  • Designed specifically for MINI R chassis models
  • Improved torque capacity for enhanced power transfer
  • STR series design ensures smooth engagement
  • Suitable for both street and track use

Upgrade your BMW or MINI R chassis with the MINI R Chassis OS Giken Clutch Kit - STR Series for superior clutch performance and reliability.

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Lemforder - Corporate Logo
T#:398994
Part#: 33173449082
Back Ordered
$ 27.99 USD
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Bushings tends to wear over time and split or even break free from the internal sleeve, causing excessive movement and sloppy control feel. OEM Lemförder bushings are the perfect option to restore suspension back to day 1 quality.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMW Chassis:
E83 X3,E85,E86,E89 Z4

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Lemforder - Corporate Logo
T#:399019
Part#: 11811138879
Back Ordered
$ 29.99

This product was last offered at the strikethrough price on
05-07-2026

$ 23.99 USD
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$ 23.99 USD
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Motor mounts can fail over time, leading to excessive vibration being transferred to the body and engine movement. OEM Lemförder motor mounts are the perfect replacement to prevent vibrations and knocks from continuing.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMW Chassis:
E34

Fits BMW Engines including:
M20,M50

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Lemforder - Corporate Logo
T#:15674
Part#: 33176770788
In Stock
$ 17.99

This product was last offered at the strikethrough price on
06-08-2026

$ 12.50 USD
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$ 12.50 USD
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RUBBER MOUNTING FRONT
Lemforder - Corporate Logo
T#:202174
Part#: 22316771219
Ships in 1 Business Day
$ 14.99

This product was last offered at the strikethrough price on
09-01-2026

$ 11.99 USD
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$ 11.99 USD
Free Shipping on orders $49 and up

Transmission mounts can fail over time, leading to excessive vibration being transferred to the body. OEM Lemförder transmission mounts are the perfect replacement to prevent vibrations and knocks from continuing.

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Lemforder - Corporate Logo
T#:397937
Part#: 22316799330
In Stock
$ 10.99

This product was last offered at the strikethrough price on
05-03-2026

$ 9.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 10.99

This product was last offered at the strikethrough price on
05-03-2026

$ 9.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up

Lemforder BMW Rubber Mounting

Lemforder is a supplier of parts directly to BMW and other major automotive manufacturers. In order to save on the cost of parts, we are able to provide you these parts directly from Lemforder at a much lower cost than if bought directly from BMW. These parts have the same high quality and reliability, just without the BMW logos.

This item fits the following BMW Chassis:
E30,E36,E84, E89 Z4

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Lemforder - Corporate Logo
T#:393997
Part#: 22316771221
Ships in 2 Business Days
$ 19.99

This product was last offered at the strikethrough price on
07-23-2026

$ 17.99 USD
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$ 17.99 USD
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Stop driveline vibration

OS Giken - Corporate Logo
T#:23383349
Part#: MN023-AQ6
Back Ordered
$ 1,680.00 USD
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$ 1,680.00 USD
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Introducing the Mini Grand Touring Clutch, a revolutionary addition to the clutch lineup. This clutch incorporates cutting-edge technology from our Racing Multi-plate Clutches, enhanced further by our exclusive "floating pressure system." Say goodbye to rough and noisy drives - experience a seamless and chatter-free driving sensation. The Mini Grand Touring Clutch is offered in both single and twin plate configurations, with options for soft or hard clutch covers to cater to various engine outputs. Achieve a maximum torque of 315 FT/LBS with this innovative clutch.
  • Incorporates advanced "floating pressure system" for a smooth driving experience
  • Retains technology from Racing Multi-plate Clutches
  • Available in single and twin plate configurations
  • Options for soft or hard clutch covers to suit engine output
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OS Giken - Corporate Logo
T#:54388400
Part#: MN023-AJ60K
Ships in 5 Business Days
New Item
$ 150.00 USD
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$ 150.00 USD
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Throw out bearing for OS Giken clutches
Lemforder - Corporate Logo
T#:399030
Part#: 24701142019
Ships in 1 Business Day
$ 86.17

This product was last offered at the strikethrough price on
07-08-2026

$ 85.43 USD
Free Shipping on orders $49 and up
$ 85.43 USD
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Helps to dampen vibrations with its heavy metal and rubber construction.

This item fits the following BMW Chassis:
E36,E39

Lemforder - Corporate Logo
T#:399290
Part#: 22116779970
Ships in 1 Business Day
$ 70.87

This product was last offered at the strikethrough price on
07-09-2026

$ 70.26 USD
Free Shipping on orders $49 and up
$ 70.26 USD
Free Shipping on orders $49 and up

Don't neglect your motor mounts! Most stock BMW motor mounts are fluid filled and the stiffness of the mount depends on this fluid. But over time the fluid leaks out and the strength of the mount is greatly reduced. A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. As the engine is moving around it can contact other parts in the engine bay - usually cooling related. The mechanical fan can hit the radiator; the A/C compressor can hit a radiator hose, the exhaust will flex and may break. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

OEM Lemförder is an engineering company that focuses on high-quality, precision manufacturing of critical suspension and steering components. Providing exceptionally high quality parts directly to BMW, as well as 50+ other big name automotive companies, such as Mercedes and Audi, their history of reliability and variety of offered parts makes them one of the biggest names for a go-to OEM parts provider. Lemförder parts place an important emphasis on design, production, and assembly, ensuring maximum reliability. They even coat all parts possible with corrosion protection for extended longevity.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMW Chassis:
E46
Non-M
E85 Z4 2.5i/3.0i/3.0si
E89 Z4 3.0si

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OS Giken - Corporate Logo
T#:54388380
Part#: MN021-BJ5
Ships in 2 Business Days
New Item
$ 1,920.00 USD
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$ 1,920.00 USD
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Upgrade your drivetrain and experience the perfect balance of track performance and street drivability.
OS Giken - Corporate Logo
T#:338591
Part#: BM531-HC
Ships in 2 Business Days
Starting at $ 2,550.00 USD
Starting at $ 2,550.00 USD
video: E92 335i with limited slip
click for high quality

As Used on Project E92 335i
A turbocharged BMW such as the 135i or 335i needs traction to put that power to the ground. The stock differential of both the 135i and 335i only put power to one wheel -- this just won't cut it! Upgrading to a limited slip differential means power to BOTH wheels, for better launch, acceleration, grip, and track handling. We're excited to be carrying the OS Giken LSD unit in our performance catalog, as we've used their products on our own Championship winning E46 and E92 race cars.

OS Giken's newest innovation is their quietest and smoothest limited slip unit yet - the Traction Control Differential (TCD). TCD is similar to their excellent Superlock differentials but with additional oil channels and pathways. The added lubrication makes diff operation smoother and quieter than before (not that there were many complaints to begin with). The locking engagement is more progressive than before which makes this diff more suitable for street driving. Track cars and drift cars should still use the Superlock LSD as it will transition to lock sooner. TCD is an evolution of a diff that was already extremely well-engineered for road and track use. Not willing to rest on their laurels, they took their superior engineering a step further.

With the 135i/335i LSD unit, they have incorporated revolutionary ideas into the overall limited-slip design which uses an unprecedented number of friction plates (up to 28 total!) for better locking force, better engagement/disengagement, and less generated heat. The use of highest quality materials, precise machining, forged gears, and sound engineering makes this LSD durable and reliable enough for road racing performance (which we can personally vouch for!). Zero break-in required. 100% progressive locking capability. 

Installation note: BMW differentials use many unique and BMW-only parts and components. Only technicians who are experienced and familiar with BMW parts should perform the installation. The OS Giken LSD is the limited slip unit (or 'chunk') only. It replaces the stock non-LSD chunk but the original ring and pinion and other internals must be installed with the OS Giken unit. This unit will only work on 335i manual differentials with a bolt-in or modified ring gear. Proper setup and spacing is critical for long life operation. Incorrect installation will void the warranty. We also offer the TCD unit pre-installed -  see our performance diff catalog for more info.

The OS Giken TCD Diff unit fits the following BMWs:
2008-2012  E82 BMW   135i with manual transmission
2007-2011  E90 BMW   335i - Sedan with manual transmission
2007-2013  E92 BMW   335i 335is - Coupe with manual transmission
2007-2013  E93 BMW   335i - Convertible with manual transmission
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