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Twin Mass Flywheel

Includes roller bearing. 240mm
Mfg Part #
21207533868
 
21-20-7-533-868
 
21 20 7 533 868
ECS Part #
ES#40929
Brand
Genuine BMW
962.03
$1132.45 (15% off MSRP)
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Product Details

Most service professionals consider the dual (twin) mass flywheel to be a wear item, and recommend replacing it as part of each clutch job. Resurfacing of dual mass flywheels, common with conventional flywheels, is impractical and not recommended by many OEM's, including BMW and Porsche. In fact, reusing an old dual mass flywheel with a new clutch friction disc often results in unwanted noise, vibration, and harshness, due to torsion spring wear.

ECS recommends installing a new dual mass flywheel when replacing the clutch friction disc.

How it works: Dual (or twin) mass flywheels are made of two separate flywheel discs separated by a friction ring, and coupled through torsion dampers; springs or planetary gear sets. Transmitting drive from the engine to the transmission through vibration dampers isolates crankshaft torsion spikes, reducing transmission gear rattle, gear selection effort, and synchronizer wear. Failed dual mass isolation springs and gears cause noise and vibration.

Previous Revisions
  • 21207533867
  • 21217516021

This Part Fits the Following Vehicles

Make Model Submodel Engine
BMW E46 330Ci M54 3.0L
BMW E46 330i M54 3.0L
BMW E46 330xi M54 3.0L
BMW E53 X5 M54 3.0L
BMW E60 530i M54 3.0L
BMW E60 530i N52 3.0L
BMW E83 X3 M54 3.0L
BMW Z4 3.0i M54 3.0L
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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