BMW Drivetrain Parts for BMW E46 M3 S54 (1999-2005)

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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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Stage 2+ Spec Clutch And Flywheel - E46 6spd
For vehicles with a production date from 03/2003
Spec Clutches - Corporate Logo
T#:5567048
Part#: SB073HSKT
Ships in 3 Business Days
$ 1,464.00 USD
$ 1,464.00 USD
Features an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and excellent life. This lining has an integrally bonded steel backing for strength under high clamp loads and temperatures. The hub is double with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street and many track/off-road applications. High clamp pressure plate Steel-backed and multi-compound woven organic material High torque sprung hub and disc assembly Bearing and tool kit Torque Capacity 545ft⋅lb Includes new billet non-SAC pressure plate and aluminum flywheel.
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OS Giken - Corporate Logo
T#:34382134
Part#: LSD-TUNE
Ships in 2 Business Days
$ 150.00 USD
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$ 150.00 USD
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Spec Clutches - Corporate Logo
T#:38351606
Part#: SBD662S
In Stock at Vendor
$ 424.99 USD
Free Shipping on orders $49 and up
The Spec 2001-2006 BMW M3 3.2L Sprung Disc Replacement (For SB662 Clutch Kit) is a high-quality replacement for the original clutch disc. Engineered for compatibility with the SB662 clutch kit, it features durable construction for long-lasting performance. Its sprung design ensures smooth engagement, while the lightweight build enhances overall efficiency. This replacement disc is the perfect solution for maintaining your BMW M3’s optimal performance.
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Spec Stage 2+ Clutch Kit - BMW E46 6spd 03-06
For vehicles with a production date from 03/2003
Spec Clutches - Corporate Logo
T#:5567042
Part#: SB073HS
Ships in 3 Business Days
$ 869.00 USD
Free Shipping
$ 869.00 USD
Free Shipping
Features an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and excellent life. This lining has an integrally bonded steel backing for strength under high clamp loads and temperatures. The hub is double with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street and many track/off-road applications. High clamp pressure plate Steel-backed and multi-compound woven organic material High torque sprung hub and disc assembly Bearing and tool kit Torque Capacity 545ft⋅lb Includes new billet non-SAC pressure plate.
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DKM - Corporate Logo
T#:5987850
Part#: MRX-006-054
Special Order: No Guaranteed ETA
$ 1,799.99 USD
$ 1,799.99 USD
Working in collaboration with Competition Clutch, the up-and-coming German automotive performance company DKM has released a new line of high-quality clutches made to satisfy your stock and modified performance needs! If you're having problems keeping power to the wheels, DKM has the solution. Their design, using high-grade materials, gives you increased strength and heat tolerance preventing wear and fade, ensuring increased torque capacity, quicker shifts, and longer clutch life. Tracking your vehicle is all fun and games until your start burning through clutches as fast as you can afford to replace them. To end this cycle, the MRX Twin Ceramic Disc Clutch Kit is designed to hold up to 650 ft/lbs torque capacity and provide you with a much-improved clutch engagement! The two ceramic disc setup provides additional contact surface areas to more evenly distribute pressure and heat for both a boost in performance and wear prevention. Kit Contents: Pressure Plate Two Ceramic 215mm Discs Steel Single-Mass Flywheel Pilot Bearing/Bushing and Throw-out Bearing (when applicable) Alignment Tool Rated for upwards of 650 ft/lbs of torque **Due to the nature of lightened single mass flywheels added "NVH" or "chatter" will or may occur during operation. Accompanying modifications can also increase or decrease the amount of "NVH" or "chatter" in the drivetrain. Please contact our sales team with any questions.**
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YCW Engineering - Corporate Logo
T#:54388427
Part#: YCW-TRS-13E46M
Ships in 6 Business Days
New Item
$ 1,699.99 USD
$ 1,699.99 USD
Engineered for high-tier motorsport and uncompromising performance applications, these shafts utilize an advanced dry carbon fiber weave bonded to precision-forged 6061-T6 aluminum ends.
Rogue Engineering - Corporate Logo
T#:54388516
Part#: RE.484.FIX
Ships in 8 Business Days
New Item
$ 64.00 USD
Free Shipping on orders $49 and up
A common failure point on the BMW E46 M3 platform occurs when the side differential mounting bolt backs out, leading to stripped threads in the differential cover.

Genuine BMW - Corporate Logo
T#:174741
Part#: 33137600693
Ships in 1 day
$ 16.99 USD
Free Shipping on orders $49 and up
Genuine BMW Dustcover Plate.

Genuine BMW - Corporate Logo
T#:7544
Part#: 21521116360
Ships in 1 day
$ 10.99 USD
Free Shipping on orders $49 and up


Genuine BMW Vent Screw
This item fits the following BMW Chassis:
E30 M3,E36 M3,E34 M5,E39 M5,E46 M3,E30,E34,E36,E39,E46,E53 X5

Genuine BMW - Corporate Logo
T#:574200
Part#: 25117527259
In Stock
$ 374.99

This product was last offered at the strikethrough price on
08-25-2026

$ 373.99 USD
Free Shipping
$ 373.99 USD
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Automatic Transmission Service Kit - Level 2
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15710776
Part#: 8352230504-KT
In Stock
Sale - Save 2% $ 229.99

This product was last offered at the strikethrough price on
07-28-2026

$ 225.03 USD
Free Shipping on orders $49 and up
Sale - Save 2%
$ 229.99

This product was last offered at the strikethrough price on
07-28-2026

$ 225.03 USD
Free Shipping on orders $49 and up
Over the life of a vehicle, the transmission can often be overlooked when performing routine maintenance. If left unserviced, the automatic transmission fluid will break down, causing the valve body and filter to become contaminated with deposits and sludge. This will lead to poor shifting, slipping, and ultimately, transmission failure. Automatic transmission Level II kit contains what you need to do an automatic transmission fluid and filter service. For limited time includes a FREE bottle of Redline WaterWetter®! WaterWetter® is a unique wetting agent that reduces coolant temperatures by as much as 30°F. Pour it into your cooling system to provide rust and corrosion protection in plain water for racing engines, and to improve coolant heat transfer properties. Add it to new or used antifreeze to improve the heat transfer of both ethylene and propylene glycol antifreeze/coolants. Compatible with aluminum, cast iron, copper, brass and bronze components. Kit Includes: Automatic transmission filter with hardware Oil pan gasket Drain plug with sealing washer Fill plug with sealing washer 8 quarts Redline D4 automatic transmission fluid FREE bottle of Redline WaterWetter®
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Performance Tool - Corporate Logo
T#:1809158
Part#: W1141
Ships in 1-2 days
$ 10.19 USD
Free Shipping on orders $49 and up
Fits all standard gallon bottles
Genuine BMW - Corporate Logo
T#:198487
Part#: 83232179708
Ships in 7 Business Days
7% off MSRP $ 13.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 12.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 13.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 12.99 USD
Free Shipping on orders $49 and up


Genuine BMW Grease 'One Lube Improved' - 110G
This item fits the following BMW Chassis:
E71,F01,F02,F06,F10,F12,F13,F15,F16,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36

Rein Differential Drain Plug Gasket
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:19654
Part#: 07119963355
Ships in 3 Business Days
$ 2.03 USD
Free Shipping on orders $49 and up
GASKET RING for various sensors and seals.

Genuine BMW - Corporate Logo
T#:55317663
Part#: 2331MTKT
Ships in 4 Business Days
New Item
$ 66.67 USD
Free Shipping on orders $49 and up
If your BMW’s manual shifter feels loose or struggles to cleanly find its gates, it’s time to rebuild your transmission shift detents.

Genuine BMW - Corporate Logo
T#:171876
Part#: 83300493839
Ships in 7 Business Days
$ 494.99 USD
Free Shipping
$ 494.99 USD
Free Shipping
Genuine BMW DEVICE
Baum Tools - Corporate Logo
T#:21637211
Part#: B332110
Ships in 5 Business Days
$ 543.99 USD
Free Shipping on orders $49 and up

Genuine BMW - Corporate Logo
T#:49259
Part#: 21532282397
Ships in 7 Business Days
$ 109.99 USD
Free Shipping on orders $49 and up


Genuine BMW Hose Line, Selection Angle
This item fits the following BMW Chassis:
E46 M3,E46

Clutch Masters - Corporate Logo
T#:567273
Part#: 03CM2-HDTZ-AK
Ships in 7 Business Days
$ 1,253.99 USD
Free Shipping
$ 1,253.99 USD
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Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version. 

  • FX300 (Stage 3)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Sprung hub/cushioned disc

  • Steel-backed Sprung Hub Segmented Kevlar Disc friction material

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Clutch Masters - Corporate Logo
T#:567260
Part#: 03040-HD0F-D
Ships in 7 Business Days
$ 621.99 USD
Free Shipping
$ 621.99 USD
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Upgrade the holding power of your clutch with the Clutch Masters FX250 clutch kit.

FX250 (Stage II)

  • Extra long life street system
  • Holding capacity 70% over stock
  • Heavy-Duty reinforced pressure plate
  • Sprung organic/fiber tough disc


All Clutch Masters clutch kits come complete with:

  • Pressure Plate
  • Clutch Disc
  • Throw-out Bearing
  • Pilot Bearing or Bushing
  • Alignment Tool
  • Pressure Plate Bolts


This clutch kit does not include a flywheel. Requires use of single mass flywheel 

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Clutch Masters - Corporate Logo
T#:567276
Part#: 03CM2-HDCL-AK
Ships in 7 Business Days
$ 1,193.99 USD
Free Shipping
$ 1,193.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version.

  • FX400 (Stage 4)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Sprung hub/cushioned disc

  • Steel-backed Ceramic Lined Sprung Disc friction material

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Clutch Masters - Corporate Logo
T#:567259
Part#: 03040-HD00-R
Ships in 7 Business Days
$ 522.99 USD
Free Shipping
$ 522.99 USD
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Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Ridged Disc version.

  • FX100 (Stage I)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Ridged hub/ disc

  • Steel-backed organic friction material

*Does not include flywheel.

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Clutch Masters - Corporate Logo
T#:567275
Part#: 03CM2-HDC6-AK
Ships in 7 Business Days
$ 1,193.99 USD
Free Shipping
$ 1,193.99 USD
Free Shipping

Performance clutch installation kit includes everything you need for a stage one clutch upgrade. Dampened Disc version.

  • FX400 (Stage 4)

  • High performance street system

  • Holding capacity 70% over stock

  • Heavy-Duty reinforced pressure plate

  • Hi-Leverage™ pressure ring design

  • Sprung hub/cushioned disc

  • Steel-backed 6-Puck Ceramic Sprung Disc friction material

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Clutch Masters - Corporate Logo
T#:584323
Part#: 03040-TD8R-S
Ships in 7 Business Days
$ 1,988.99 USD
Free Shipping
$ 1,988.99 USD
Free Shipping
Designed for increased holding capacity, the ClutchMasters FX850 is renowned for its unmatched reliability and performance. With a twin disc clutch, the holding capacity of the first disc is doubled, adding the holding capacity that your car needs. Paired with a lightweight steel single mass flywheel you're effectively reducing the rotational mass of your engine, allowing for faster revving, engine longevity, and overall increased performance. The ClutchMasters FX850 is a twin disc clutch kit including the following components: -1 Sprung Ceramic Clutch Disc -1 Rigid Ceramic Clutch Disc -1 Steel Flywheel -1 Heavy Duty Pressure Plate -1 Clutch Fork -1 Throwout Bearing -All Necessary Clutch Mounting Hardware Included
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Clutch Masters - Corporate Logo
T#:24643798
Part#: 03040-TD8S-A
Ships in 7 Business Days
$ 1,988.99 USD
Free Shipping
$ 1,988.99 USD
Free Shipping
Designed for increased holding capacity, the ClutchMasters FX850 is renowned for its unmatched reliability and performance. With a twin disc clutch, the holding capacity of the first disc is doubled, adding the holding capacity that your car needs. Paired with a lightweight aluminum single mass flywheel you're effectively reducing the rotational mass of your engine, allowing for faster revving, engine longevity, and overall increased performance. The ClutchMasters FX850 is a twin disc clutch kit including the following components: -1 Sprung Ceramic Clutch Disc -1 Rigid Fiber Tuff Clutch Disc -1 Lightweight Aluminum Flywheel -1 Heavy Duty Pressure Plate -1 Clutch Fork -1 Throwout Bearing -All Necessary Clutch Mounting Hardware Included
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Schwaben Deep Well Impact Socket - 24mm
10X Entries Into Our F80 M3 Sweepstakes
Schwaben - Corporate Logo
T#:363372
Part#: 003302SCH06A
In Stock
Sale - Save 20% $ 15.99

This product was last offered at the strikethrough price on
05-02-2026

$ 12.79 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 15.99

This product was last offered at the strikethrough price on
05-02-2026

$ 12.79 USD
Free Shipping on orders $49 and up
Ideal for many axle nuts and other high-torque fasteners

CTA Tools - Corporate Logo
T#:1150734
Part#: CTA8809
Ships on Oct 20, 2026
$ 78.60 USD
Free Shipping
$ 78.60 USD
Free Shipping
Locks the flywheel while the transmission is removed for service

Pentosin - Corporate Logo
T#:46134785
Part#: 1058111
In Stock
$ 35.99 USD
Free Shipping on orders $49 and up
Pentosin ATF9 is specially developed with reduced viscosity to optimize the performance of the latest generation 8 and 9-speed ZF automatic transmissions. Pentosin ATF 9 has been developed to deliver outstanding friction control to ensure excellent shifting performance.
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Meyle Automatic Transmission Fluid Plus 9 - 1 Liter
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55569543
Part#: 0140193200
Ships on Oct 20, 2026
New Item
$ 27.99

This product was last offered at the strikethrough price on
10-02-2026

$ 26.99 USD
$ 26.99 USD
Don't let fluid breakdown slow down your shifts or trigger performance-robbing transmission slip when you're pushing your car to the limit. This Meyle ATF Plus 9 high-performance transmission fluid is engineered to withstand the extreme thermal loads and intense shear stress generated during aggressive street driving and high-RPM track sessions. Its advanced synthetic formula provides a robust lubricating film that limits friction within the gearsets and maintains crisp clutch engagement, ensuring your multi-speed automatic handles rapid downshifts and hard acceleration flawlessly.
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ATD Tools - Corporate Logo
T#:383716
Part#: ATD3045
Ships on Oct 20, 2026
$ 376.99 USD
Free Shipping
$ 376.99 USD
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Eases removal of flange-type axles, oil seals, bearings and other press fit parts.
Genuine BMW - Corporate Logo
T#:1002353
Part#: E46M3DIFSER1KT
Ships on Feb 26, 2027
$ 287.99

This product was last offered at the strikethrough price on
09-03-2026

$ 272.99 USD
Free Shipping
$ 272.99 USD
Free Shipping

Packaged by Turner - Corporate Logo
T#:56254753
Part#: B8800120KT2
Ships on Oct 20, 2026
New Item
$ 177.99 USD
Free Shipping on orders $49 and up
Combining a heavy duty hub adapter with dedicated slide hammer and impact force screw attachments, this kit is built for serious mechanics and track day drivers who need unyielding strength to get the job done right the first time.
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Redline - Corporate Logo
T#:201458
Part#: 21404
Ships on Oct 26, 2026
$ 18.99 USD
Free Shipping on orders $49 and up
  • Recommended for API CJ-4/CI-4 Plus/CI-4/CF/CH-4/CF-4
  • Popular for Light Duty trucks including Chevrolet Duramax, Dodge Cummins, Ford Power Stroke
  • Best choice in medium and heavy-duty diesel truck engines for maximum durability
  • Improved drain intervals provide excellent value for commercial fleet use
  • Also for API SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 E7/E9, MB 228.3
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    JB Racing - Corporate Logo
    T#:40748575
    Part#: 520010240SGA
    Ships on Oct 26, 2026
    $ 868.00 USD
    Free Shipping on orders $49 and up
    This lightened steel flywheel is specifically designed (and approved) for use in Grand-Am road racing but can also be used as a mild street upgrade if a full aluminum lightweight flywheel is not called for. The Grand-Am flywheel is 20% lighter than stock to meet the rules for the GS and ST classes.Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. A lightweight flywheel does away with the dual mass design and its additional mass so more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

    In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. The engine revs much faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

    Grand-Am approved this flywheel to be used with a factory E36 M3 clutch. This opens up a lot of clutch and pressure plate options but we typically used this with a stock Sachs OEM clutch kit. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches.

    Lightweight flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch). In addition to the standard replacement clutches, we also sell Sachs Performance sprung hub clutches that also work with the JB flywheels.

    If being used on a 330i 6-speed or Z4 6-speed an additional pilot bearing hub is required. Select your appropriate model and transmission from the list below.

    Stock Flywheel Weight = 25.0lbs
    JB Flywheel Weight = 20.0lbs

    This item fits the following BMWs:
    2001-2002 E46 BMW 330i 330ci 5-speed
    2003-2006 E46 BMW 330i 330ci 6-speed
    2001-2006 E46 BMW M3
    1998-2002 Z3 BMW Z3 M Roadster M Coupe
    2003-2005 E85 BMW Z4 2.5i Z4 3.0i
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    Motul - Corporate Logo
    T#:2249
    Part#: MOTY-75W80-1L
    Ships on Oct 30, 2026
    10% off MSRP $ 20.44

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 18.40 USD
    Free Shipping on orders $49 and up
    10% off MSRP
    $ 20.44

    MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

    $ 18.40 USD
    Free Shipping on orders $49 and up
    Motul Motylgear 75W80 is a gear oil/gearbox lubricant especially recommended for hard to shift gearboxes and also for BMW, Peugeot, Citroen, and Renault gearboxes. Motul has formulated Motylgear 75W-80 as an extreme pressure lubricant for efficient anti-wear protection and reinforced it with synthetic base stocks for a better resistance at high temperature and for longer life.
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    Shaft Seal - Differential (Axle Drive)
    2X Entries Into Our F80 M3 Sweepstakes
    Elring - Corporate Logo
    T#:54852004
    Part#: B46.610
    Special Order: No Guaranteed ETA
    New Item
    $ 14.99 USD
    Free Shipping on orders $49 and up
    This OEM-quality replacement shaft seal from Elring is the perfect fix for keeping your gear oil where it belongs.
    Elring - Corporate Logo
    T#:44733256
    Part#: 703.190
    Special Order: No Guaranteed ETA
    $ 34.99 USD
    Free Shipping on orders $49 and up
    If your differential is leaking fluid from the input shaft at the front of the diff case, there is a good chance this seal is faulty. Replace your leaking seal with this new seal from Elring to prevent further fluid loss and prevent damage to your differential. Replaces BMW p/n 33121213949, 33121212197, & 33121204847
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    IRP - Individual Racing Parts - Corporate Logo
    T#:587020
    Part#: IRPDB-46MAL
    Special Order: No Guaranteed ETA
    $ 151.99 USD
    Free Shipping
    $ 151.99 USD
    Free Shipping
    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: 33172282484 Recommended for racing use only Includes: 2 rear aluminum bushing 1 front aluminum bushings
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    IRP - Individual Racing Parts - Corporate Logo
    T#:44461480
    Part#: IRPSS-SC-3BB
    Special Order: No Guaranteed ETA
    $ 466.99 USD
    Free Shipping on orders $49 and up
    For BMW owners looking to elevate their driving experience, the IRP Short Shifter BMW V3 Self Centering - Black With Blue Button from Turner Motorsport is the ultimate choice, combining performance, style, and reliability in one premium package.
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    Automatic Transmission Service Kit - Level 2
    10X Entries Into Our F80 M3 Sweepstakes
    Packaged by Turner - Corporate Logo
    T#:15710800
    Part#: 24341423376-KT
    In Stock
    Sale - Save 4% $ 192.99

    This product was last offered at the strikethrough price on
    09-17-2026

    $ 184.42 USD
    Free Shipping on orders $49 and up
    Sale - Save 4%
    $ 192.99

    This product was last offered at the strikethrough price on
    09-17-2026

    $ 184.42 USD
    Free Shipping on orders $49 and up
    Over the life of a vehicle, the transmission can often be overlooked when performing routine maintenance. If left unserviced, the automatic transmission fluid will break down, causing the valve body and filter to become contaminated with deposits and sludge. This will lead to poor shifting, slipping, and ultimately, transmission failure. Kit Includes: Automatic transmission filter with associated hardware Oil pan gasket Drain plug with sealing washer Fill plug with sealing washer 7 quarts Redline D4 automatic transmission fluid
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    Bav Auto Temperature Sensor - BMW E39 E46 E9X E60 F01/02
    10X Entries Into Our F80 M3 Sweepstakes
    Bavarian Autosport - Corporate Logo
    T#:639833
    Part#: 13621433076
    In Stock
    Sale - Save 20% $ 14.99

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

    $ 11.99 USD
    Free Shipping on orders $49 and up
    Sale - Save 20%
    $ 14.99

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

    $ 11.99 USD
    Free Shipping on orders $49 and up
    This is the coolant temperature sensor used in many BMW models from the late-1990s to the mid-2010s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer. This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
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    Febi Drain Plug Gasket
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:340702
    Part#: 07119963355
    Ships in 1-3 days
    $ 1.99 USD
    Free Shipping on orders $49 and up
    22x27 aluminum sealing ring
    Febi Automatic Transmission Fluid - 1 Liter
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:38419097
    Part#: G052162A2
    Special Order: No Guaranteed ETA
    $ 26.99 USD
    Free Shipping on orders $49 and up
    Looking to service your automatic transmission? Don't forget the new clean fluid for use to refill and keep your transmission shifting smooth. Check capacities prior to ordering to be sure you have enough to do your transmission service. See your owner's manual for service intervals. High protection against freezing, corrosion, and cavitation Excellent lubricating properties, high ageing resistance, and high wetting and adhesion properties Prevention of deposits and foam formation Compliance with the requirements of vehicle manufacturers
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    Doorbusters - Corporate Logo
    T#:34114216
    Part#: 049409LADBKT
    Ships on Dec 1, 2026
    $ 1,446.97 USD
    Free Shipping
    $ 1,446.97 USD
    Free Shipping

    Looking to upgrade your drivetrain for durability and performance? The Turner Motorsport Billet Differential Cover Kit, paired with ECS Tuning's Polyurethane Transmission and Differential Mounts, offers the ultimate solution to eliminate drivetrain flex and enhance your BMW M3’s strength. Perfect for street or track use, this kit ensures top-tier performance for your E46 M3.

    Turner Motorsport Billet Differential Cover Kit with ECS Polyurethane Differential Bushings

    Engineered for strength and designed to handle extreme conditions, the Turner Billet Differential Cover is built from a single piece of 6061 billet aluminum and finished with a hard-coat anodizing for durability and corrosion resistance. It’s reinforced with mounting ears that prevent common failures seen with OEM diff covers, ensuring stability even during aggressive driving.

    This high-performance cover features internal cooling fins that help dissipate heat, keeping the fluid cool and prolonging the life of your differential. It also maintains continuous lubrication of the ring gear, preventing fatigue and heat buildup. The cover is compatible with stock and aftermarket bushings, and comes with upgraded -6AN drain and fill plugs for easy maintenance or for expanding to an external oil cooler. A 1/8 NPT fitting is also included, making it easy to install a temp sensor and keep an eye on fluid temperatures.

    Key Features:

    Reinforced mounting ears: No more broken diff cover ears. Cooling optimized: External and internal fins reduce heat buildup. Increased capacity: Holds more fluid for better performance. Oil cooler ready: -6AN ports for external cooler installation. 1/8 NPT provision: Easily add a temp sensor. Sight glass: Check fluid level without removing plugs. Compatibility:

    Fits E46 M3 with large case 210/215mm differentials. Designed for stock, polyurethane, or solid differential bushings. Accommodates OEM speed sensor and wire mounts. ECS Tuning Polyurethane Transmission Mount Set

    Tired of soft factory transmission mounts causing mis-shifts or excessive movement? ECS Tuning’s Polyurethane Transmission Mount Set is the solution. With a durable 70A durometer rating, these mounts offer the perfect balance between everyday comfort and track-ready stiffness. For more track-focused drivers, we also offer an 80A durometer option.

    These mounts feature a mechanical interlock design, ensuring longevity even in high-torque applications. Resistant to oil, water, and heat, polyurethane lasts longer than rubber and significantly reduces drivetrain deflection, improving power delivery and driving engagement.

    Key Features:

    Reduces transmission movement: Minimizes mis-shifts and over-revs. Polyurethane construction: Durable, with superior wear resistance. Two options: Choose between 70A for daily driving and 80A for track use. Engaging driving experience: More connected feel between driver and drivetrain. Upgrade your E46 M3 with this robust kit, and bulletproof your drivetrain today! Perfect for enthusiasts pushing their cars to the limit on the street or track.

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    Shifter Rod Joint
    10X Entries Into Our F80 M3 Sweepstakes
    Bremmen Parts - Corporate Logo
    T#:54068659
    Part#: 25117580281
    Ships on Oct 3, 2026
    New Item
    Sale - Save 20% $ 55.99

    This product was last offered at the strikethrough price on
    05-30-2026

    $ 44.79 USD
    Sale - Save 20%
    $ 55.99

    This product was last offered at the strikethrough price on
    05-30-2026

    $ 44.79 USD
    Transmission Fluid Filler - 12.5 Liter
    5X Entries Into Our F80 M3 Sweepstakes
    We Price Match - Give Us A Call or Chat! This filler does NOT include the adapter set to allow the hose to reach the transmission fluid pan. The adapte
    Meyle - Corporate Logo
    T#:29068522
    Part#: 9999901000
    Ships on Oct 20, 2026
    $ 368.99 USD
    $ 368.99 USD
  • The Meyle Transmission Fluid Filleris the most robust transmission filling tool on the market. With a 12.5-liter capacity, it provides ample room for filling and flushing any transmission. You can use it manually with a hand pump or connect it to an air compressor for a pneumatic filling process. This tool helps you complete the job quickly and reliably. Every component of this filler, from the hand pump to the reinforced hose and premier quick-coupler, to the tank itself, showcases the premium craftsmanship synonymous with Meyle. This durable filler will be your trusted companion for every transmission fluid change throughout its lifetime.


    Please note: This filler does NOT include the adapter set to allow the hose to reach the transmission fluid pan. The adapter set part number is T29101662.


    Includes:

    • Hand Pump
    • Reinforced Hose
    • Quick-Coupler (for adapter fittings, sold separately)
    • Pressure Gauge
    • Pressure Relief Valve

  • WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. See above warning label as well as http://www.p65warnings.ca.gov for further information on Proposition 65 warnings.

  • Show More Show Less
    Transmission Fluid Filler With Adapter Set - 12.5 Liter
    5X Entries Into Our F80 M3 Sweepstakes
    We Price Match - Give Us A Call or Chat!
    Meyle - Corporate Logo
    T#:29101665
    Part#: 999 990 1000/S
    Ships on Oct 20, 2026
    $ 426.99 USD
    $ 426.99 USD
  • The Meyle Transmission Fluid Filleris the most robust transmission filling tool on the market. With a 12.5-liter capacity, it provides ample room for filling and flushing any transmission. You can use it manually with a hand pump or connect it to an air compressor for a pneumatic filling process. This tool helps you complete the job quickly and reliably. Every component of this filler, from the hand pump to the reinforced hose and premier coupler, to the tank itself, showcases the premium craftsmanship synonymous with Meyle. This durable filler will be your trusted companion for every transmission fluid change throughout its lifetime.


    The Meyle Adapter Set for the Transmission Fluid Filler Pump is designed for a wide range of Euro and domestic vehicles. This set allows you to maximize the utility of Meyle's premium-built pump across various makes in your driveway. Each adapter easily attaches to the filler's coupler, ensuring quick and seamless transitions between adapters. The set comes in a blow-molded case, providing convenient and mess-free storage.


    Includes:

    • Hand Pump
    • Reinforced Hose
    • Coupler (for adapter fittings, sold separately)
    • Pressure Gauge
    • Pressure Relief Valve
    • BMW, Volvo Adapter (5/16" -24 UNF)
    • VW, Audi, Porsche Adapter (M10 x 1.00)
    • VW Adapter (Alternate)
    • VW, BMW Adapter (Alternate)
    • Nissan, Honda, BMW Adapter (Alternate)
    • Audi, VW, Seat, Skoda Adapter (M24 x 1.50)
    • Audi Adapter (M22 x 1.50)
    • Mercedes-Benz Adapter (M12 x 1.50)
    • Toyota, Lexus Adapter (M18 x 1.50)
    • Ford, Mazda Adapter (1/8" NPT)

  • WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. See above warning label as well as http://www.p65warnings.ca.gov for further information on Proposition 65 warnings.

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    Telescoping Magnet - Schwaben
    10X Entries Into Our F80 M3 Sweepstakes
    Schwaben - Corporate Logo
    T#:386438
    Part#: 010769SCH01A
    In Stock
    Sale - Save 25% $ 22.99

    This product was last offered at the strikethrough price on
    05-02-2026

    $ 17.24 USD
    Free Shipping on orders $49 and up
    Sale - Save 25%
    $ 22.99

    This product was last offered at the strikethrough price on
    05-02-2026

    $ 17.24 USD
    Free Shipping on orders $49 and up
    A durable tool for grabbing dropped fasteners, having this option could be the difference between done today and done tomorrow.
    Enthusiast Bundles - Corporate Logo
    T#:34919067
    Part#: 019744TMS01A2KT
    In Stock
    $ 132.99 USD
    Free Shipping on orders $49 and up

    MAGNETIC FENDER COVER:

    Protect your finish when working under the hood with a high quality Turner fender cover. Made from a synthetic leather layer with a goose flannelette backing for durability and protection. The Turner fender cover holds a tight grip to your fender or core support with four 9.5" magnets sewn into the top layer.


    Features:

    • Durable synthetic leather with the Turner logo
    • Soft goose flannelette backing
    • Four 9.5" integrated magnets


    Dimensions:

    •  Extra Long 20" x 47"


    TELESCOPING LED MIRROR:

    You are going to love this tool. This Schwaben telescoping lighted mirror can get you out of a jam when you need to look at something you can not see any other way. Use with or with out the mirror attached. Lighting can reflect on mirror to light at many angles. Great for finding missing parts beneath engine block or oil leaks.

    Features:

    • Handy pocket clip
    • Pivoting quick attach mirror for perfect viewing at any angle.
    • Extends up to 26 1/4" for hard to reach places.
    • Collapsed length 6.5" without mirror attached, 9.5" with 
    • High quality mirror provided a perfect reflection.
    • Easy on and off. Turns on when extended and off when collapsed.
    • 44,000 MCD brightness.
    • Long life span up to 100,000 hours on LED bulb.
    • Operates on 3 AG3/LR41 batteries 
    • Includes batteries


    TELESCOPING MAGNET:

    This Schwaben telescoping magnet is a great addition to any tool box. Magnet is rated to pickup 3.5 lbs. Stainless steel shaft is 7" collapsed and 26" extended. Magnet is encased in a aluminum sleeve to help prevent side of magnet from sticking. Cushion grip rubber handle works great with dry or oily hands.


    MAGNETIC PARTS TRAYS:

    Stop losing nuts, blots, and screws. The Schwaben magnetic parts tray has a large 4-3/8 inch diameter stainless steel bowl with a rubber-coated magnetic base that won't mar painted surfaces.

    Attach the tray to any ferrous metal on the vehicle, and toss in your steel fasteners as you remove them. The magnet holds them safely in place until you are ready to use them again. Works right side up or inverted for under-car repairs.

    A simple, effective solution to a common problem.


    WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. See above warning label as well as http://www.p65warnings.ca.gov for further information on Proposition 65 warnings.

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