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Dual Mass Flywheel - E82/E9X N55, F3X 335/435, F10 535i

Mfg Part #
21207640733
 
21-20-7-640-733
 
21 20 7 640 733
Turner Part #
T#48908
Brand
Price:
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1191.89
$1340.82 (11% off MSRP)
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Product Details

This is the stock twin mass flywheel for the N55 engine used in the E82 135i, E9X 335, F3x 335/435, and F10 535i. It's manufactured by OEM supplier LuK. 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.

A new pilot bearing (roller bearing) is included, pre-installed in the flywheel hub.

This item fits the following BMWs with the single turbo N55 engine and manual transmission:
2011-2012 E82 BMW 135i
2011 E90 BMW 335i 335xi 335i xDrive - Sedan
2011-2013 E92 BMW 335i 335xi 335i xDrive - Coupe
2011-2013 E93 BMW 335i - Convertible
2012-2015 F30 BMW 335i 335iX - Sedan
2014-2016 F34 BMW 335iX - Gran Turismo
2014-2016 F32 BMW 435i 435iX - Coupe
2014-2016 F33 BMW 435i 435iX - Convertible
2014-2016 F36 BMW 435i 435iX - Gran Coupe
2011+ F10 BMW 535i 535i xDrive

Previous Revisions
  • 21207598460

This Part Fits the Following BMWs

Make Model Submodel Engine
BMW E82 135i N55 3.0L
BMW E88 135i N55 3.0L
BMW E90 335i N55 3.0L
BMW E90 335xi N55 3.0L
BMW E92 335i N55 3.0L
BMW E92 335xi N55 3.0L
BMW E93 335i N55 3.0L
BMW F10 535i N55 3.0L
BMW F10 535i xDrive N55 3.0L
BMW F30 335i N55 3.0L
BMW F30 335i xDrive N55 3.0L
BMW F32 435i N55 3.0L
BMW F32 435i xDrive N55 3.0L
BMW F33 435i N55 3.0L
BMW F33 435i xDrive N55 3.0L
BMW F34 335i xDrive N55 3.0L
BMW F36 435i N55 3.0L
BMW F36 435i xDrive N55 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.
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