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Dual Mass Flywheel - E28 528e, E30 325e

Mfg Part #
21211225979
 
21-21-1-225-979
 
21 21 1 225 979
Turner Part #
T#48953
Brand
Price:
Qty
655.62
$793.70 (17% off MSRP)
Ships in 6 days
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Product Details

This is the stock twin mass flywheel for the 325e/528e. Sachs recommends a new dual mass flywheel (DMF) on every other clutch replacement. There are several indicators for replacing the flywheel: damage to the clutch contact plate (from a severely worn clutch disc), grease leaking from inside (overheating), build-up of clutch material on the contact plate (excessive slipping and overheating), and failure of the internal damping system.

The dampening system uses rubber or coil springs to absorb driveline vibrations. Through age, excessive heat, and aggressive use the rubber loses its resilience and the metal springs lose their strength and become brittle. If the clutch and flywheel have become overheated the internal grease may break down as well. A DMF failure can be massive and catastrophic, not to mention dangerous as bits of metal and rubber fling themselves through the transmission bellhousing. Heat and aggressive driving will accelerate the wear so race and track cars should have their stock flywheels replaced at regular intervals or with any new clutch. Even normal street cars should plan for a new flywheel if it has high mileage.

DMF wear can only be checked with the transmission and clutch removed. If you can rotate the outer flywheel more than 20mm in either direction then it should be replaced.

New flywheel mounting bolts are not included with BMW flywheels.

This item fits the following BMWs:
5/1986-1988 E30 BMW 325e 325es
5/1986-1988 E28 BMW 528e

This Part Fits the Following BMWs

Make Model Submodel Engine
BMW E28 528e M20 2.7L
BMW E30 325 M20 2.7L
BMW E30 325e M20 2.7L
BMW E30 325es M20 2.7L
*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.
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