BMW Drivetrain Parts for BMW Z Series E85/6 (2003-2008)

Enhance your driving experience with ECS Tuning's Performance Polyurethane Differential Bushings. These meticulously engineered bushings offer a direct connection between your right foot, the engine, and the chassis, making them an essential upgrade.

• Say goodbye to the softness of factory rubber differential bushings that absorb vibrations and reduce performance.
• ECS Tuning's polyurethane bushings eliminate the deflection found in factory rubber bushings, resulting in improved power transfer from the differential to the wheels.
• Experience enhanced throttle control, whether you're navigating a challenging canyon road, drag racing, or simply commuting.

Unlike delrin or solid differential mounts, these bushings deliver improved performance without introducing harshness or excessive vibration.

Crafted from durable 88A durometer polyurethane and enhanced with a black anodized 6061-T6 aluminum sleeve.

Resistant to chemicals, ozone degradation, road salt, and general wear and tear, ensuring a longer service life.

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 

Looking to upgrade your stock clutch to something a little more beefy?  The performance clutch kits from DKM are a great option to help get power to the wheels without breaking the bank. Working with Competition Clutch, DKM clutch discs and plates are constructed using quality materials to obtain greater strength and heat tolerance than OE clutches, helping to prevent wear and tear while still giving you increased toque capacity for quicker shifts and more power management.

Stage 1 Kits are best for moderately modified vehicles that want to add a single mass flywheel for quicker revs and a sportier engagement, without adversely affecting the clutch pedal's feel. *This is a 10 Spline clutch kit.*

This Stage 1 performance clutch kit includes the following items:

• Pressure Plate
• Sprung Organic Disc
• Iron Single Mass Flywheel
• Pilot Bearing/Bushing and Throw-out Bearing
• Alignment Tool
  
   

**For vehicles with 5-speed transmission only.

Shifter slop is a common complaint among all BMW models. Some of that play comes from the bushings where the shifter carrier mounts to the transmission. The original rubber carrier bushings don't last very long and when they get too soft the shifter flops around. These Delrin bushings have almost no deflection and will last much longer than the factory rubber, giving you precise shifting for many years.

Note: this is only one part of the shift linkage and there may be other components that need replacing to improve shifting feel.

New carrier bushing pins are included.

Shifter slop is a common complaint among all BMW models. Some of that play comes from the bushings where the shifter carrier mounts to the transmission. The original rubber carrier bushings don't last very long and when they get too soft the shifter flops around. These Teflon bushings are not as stiff as Delrin so they won't transmit as much vibration and buzz in the shifter. Yet Teflon will last much longer than the factory rubber, giving you precise shifting for many years.

Note: this is only one part of the shift linkage and there may be other components that need replacing to improve shifting feel.

We advise getting a replacement bushing carrier pin as well. If the original rubber bushings are worn the pin will have wear too and you will still have slop in the shifter, even with the new bushings.

These are the OVAL shifter carrier bushings (some BMW models have round bushings).

This item fits the following BMWs:
1992-1998 E36 BMW 328i 328is 328ic M3
1999-2002 E46 BMW 328i 328ci 330i 330ci
2001-2006 E46 BMW M3
1997-2003 E39 BMW 540i M5
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Roadster
1999-2003 E52 BMW Z8

BMW E46 E39 Z3 Z4 Lightweight Steel Flywheel is an exceptional performance upgrade designed to enhance your driving experience by providing quicker revs and reducing turbo lag. Engineered by Turner Motorsport, this flywheel is constructed from high-quality 6061-T6 billet aluminum with a high-carbon steel replaceable friction surface, ensuring durability and improved acceleration.

• Increased Acceleration: Reduced mass results in quicker engine revs and enhanced acceleration.
• High-Quality Materials: Made from 6061-T6 aircraft-grade billet aluminum for exceptional strength and performance.
• Durable Construction: Features a high-carbon steel replaceable friction surface and an OE steel ring gear secured by bolts.
• Lifetime Warranty: Comes with a limited lifetime warranty, underscoring its reliability and long-term performance.
• SFI Certification: Meets SFI Spec 1.1 or 1.2 standards, ensuring high-quality construction and safety.

This lightweight flywheel fits the following BMW models:

• 1999-2002 E46 BMW 323i, 323ci, 325i, 325ci, 328i, 328ci, 330i, 330ci (with 5-speed manual transmission)
• 2001-2005 E46 BMW 325xi, 330xi
• 1997-2002 Z3 BMW Z3 2.3, Z3 2.5i, Z3 2.8, Z3 3.0i

Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.

By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components. 

Powerflex street bushings are ideal for street driven vehicles and those that see occasional autocross or track time. Need bushings for a dedicated track car? Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved steering feel, turn in, more responsive handling and overall improved chassis composure with Powerflex performance polyurethane control arm bushings.

Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers. 

Differential bushings are responsible for keeping the differential in solid alignment while dampening drivetrain vibration. While OE rubber bushings are fine when they are new from the factory, aged and worn out rubber bushings create a multitude of issues that can range from annoying to dangerous. As a factory bushing ages, it begins to harden and become brittle. When this happens the bushing will actually shrink and allow for movement at the differential mounting point. At this point, the differential is free to shift under load causing a noticeable clunking noise under acceleration and deceleration and massively increasing the stress on the driveshaft and axles. Manual transmissions suffer the worst from this as it can make shifting difficult since the differential will shift when the clutch is engaged and disengaged.

By replacing these bushings with full polyurethane, the movement is eliminated since the mounting point is supported by a much stiffer material that will not harden or shrink over time. This means less stress on the driveshaft and axles and greater longevity of supporting components. 

Powerflex street bushings are ideal for street driven vehicles and those that see occasional autocross or track time. Need bushings for a dedicated track car? Powerflex Black Series bushings are the ultimate in track and race bushings. Featuring 95A durometer polyurethane, Black Series bushings are 25% stiffer than street bushings. Engineered to perform, Powerflex performance polyurethane control arm bushings offer a supreme level of control, while still providing enough comfort for the street, with advanced polyurethane that reduces NVH that often accompanies lesser bushings. Expect improved steering feel, turn in, more responsive handling and overall improved chassis composure with Powerflex performance polyurethane control arm bushings.

Poweflex is a leading manufacturer of aftermarket suspension bushings. Using state of the art design and manufacturing, all replacement bushings are engineered to out-perform and out-last the ones that came in the car. Each line of bushings is meticulously tested and then re-tested to ensure perfect fitment and enduring quality through the life of the vehicle. A full lifetime warranty backs every one of their products and demonstrates the level of confidence and commitment Powerflex has to their customers. 

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

• FX100 (Stage I)

• 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 organic friction material

The ACT Streetlite flywheel offers the following benefits:

Noticeably improved engine response and acceleration: Experience a significant boost in engine performance and acceleration with this component. OE to mild gear rattle: Expect only minimal gear rattle, from Original Equipment (OE) standards to a mild level, ensuring a smoother drive. Heat-treated forging for strength and toughness: Crafted using heat-treated forging, this part guarantees enhanced strength and durability. Induction-hardened ring gears for maximum life: The ring gears undergo induction hardening, providing maximum lifespan and reliability. One-piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc: The one-piece design reduces potential failure points and ensures uniform and efficient heat transfer from the clutch disc, preventing issues like warped inserts or loose ring gears. Recommended for street and race use: This component is ideal for both everyday street driving and competitive racing environments.

Forged, CNC machined, and dynamically computer balanced for smooth high RPM reliability: Expertly forged, CNC machined, and dynamically balanced via computer to ensure smooth and reliable performance at high RPMs.