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E9X 325i 328i 330i SPEC Stage 2 Performance Clutch Kit

Mfg Part #
SB072-2
Turner Part #
T#340436
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639.00
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Product Details

The SPEC Stage 2 clutch is a premium, no compromises heavy-duty clutch upgrade for the 2006+ N52 E9X 325/328/330i. Where the stock clutch will slip under hard conditions and the factory dual mass flywheel is a known failure point, the SPEC clutch delivers with an over-engineered, performance-oriented clutch solution. The single carbon-Kevlar clutch is rated at 485 ft-lbs, more than enough for the naturally-aspirated N52 engines. A heavy-duty pressure plate and throw-out bearing complete the package.

The stock clutch in the N52 cars is not a terrible clutch and it is not under-rated. Our tuned 330i street and race cars have used the stock clutch with close to 300hp with only the occassional slip. But if the clutch is not grabbing like you want it to, or your tuning plans will include forced induction, a heavy-duty clutch is what will be needed. The SPEC Stage 2 clutch consists of a carbon-Kevlar friction material paired with a heavy-duty pressure plate. The clutch is stronger and grabs harder than the factory clutch. It has a much more robust feel and engagement. And with this specification the clutch will never be a weak point. The SPEC clutch is designed to work with the stock dual mass flywheel or with a lightweight aluminum single-mass flywheel.

The real weak point in the driveline is in the flywheel. The stock dual-mass flywheel has rubber damper discs inside that will wear out over time. Heat and aggressive driving will accelerate their wear. Even if the clutch contact surface is not showing wear the inner rubber linings most likely are. On most clutch replacements we strongly advise getting a new flywheel at the same time to avoid duplicating the work. You can use the SPEC clutch with the stock or aluminum flywheel. The aluminum is quite a bit lighter than stock and will be single-mass. There will be a lot more noise and 'gearbox chatter' with the aluminum but the tradeoff is a much better acceleration and quicker revving. For daily driver commuting you will probably be happiest with the stock flywheel. For the ultimate in sports car feel use the aluminum.

SPEC Clutch is one of the premier clutch and flywheel suppliers to the tuner market. They are often found on the most highly tuned import and domestic vehicles. They are recent players in the German car community with a special focus on the newer turbo BMW models with high torque output. SPEC has been proven time after time to provide superior performance, drivability, and longevity to the most hardcare enthusiasts around the globe.

E9X 325/328/330 SPEC Clutch Kit contents:
+ carbon-Kevlar clutch disc
+ heavy-duty pressure plate
+ heavy duty throw-out bearing

This item fits the following BMWs:
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i - Convertible

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Kit Configurator

Current Price:
639.00

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This Part Fits the Following BMWs

Make Model Submodel Engine
BMW E90 325i N52 3.0L
BMW E90 325xi N52 3.0L
BMW E90 328i N52 3.0L
BMW E90 328xi N52 3.0L
BMW E90 330i N52 3.0L
BMW E90 330xi N52 3.0L
BMW E91 325xi N52 3.0L
BMW E91 328i N52 3.0L
BMW E91 328xi N52 3.0L
BMW E92 328i N52 3.0L
BMW E92 328xi N52 3.0L
BMW E93 328i N52 3.0L
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.
  • 22 years of BMW Tuning.
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