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Genuine BMW
BMW Part Number21 21 7 512 474

Twin Mass Flywheel

D=240 mm · E36 323ti; E46 320Ci, 320i & more · one of 10 sizes

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

Make sure this fits your car

Fits E36 323ti · E46 320i–330i & more 1997–2003 — M52, M54, M56 engines

Select your vehicle to check fitment
See all 155 fitting cars

Other sizes · 10 in all

All 9 other sizes
Twin Mass Flywheel – BMW diagram

Callout 01 on BMW’s drawing “Flywheel / Twin Mass Flywheel”. Open the drawing →

Also shown on Flywheel / Twin Mass Flywheel, Flywheel / Twin Mass Flywheel.

Genuine BMW part 21 21 7 512 474: Twin Mass Flywheel. You will find it under Clutch & Flywheel (Clutch with drive plate). It supersedes the older number 21 21 7 509 078, so a part carrying that number is the same part.

Fits E36 323ti (1997–1999), compact, with the M52 engine. Also fits E46 320i, 323i, 325i, 328i and 330i (1999–2006) with the M52, M54 or M56 engines.

BMW draws it on 4 drawings, among them two Flywheel / Twin Mass Flywheel drawings. It weighs about 12 kg (26 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesM52, M54, M56
Weight11.65 kg

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

BMW has renumbered this part. All of these numbers are the same part.

  • 21 21 7 512 474currentOut of stock
  • 21 21 1 223 610replaced by 21 21 7 512 474
  • 21 21 7 501 379replaced by 21 21 7 512 474
  • 21 20 7 508 456replaced by 21 21 7 512 474
  • 21 21 7 508 556replaced by 21 21 7 512 474
  • 21 21 7 509 078replaced by 21 21 7 512 474

The other parts on BMW’s drawing “Flywheel / Twin Mass Flywheel”. Open the drawing →

#PartIn stockAction
--Hex BoltOut of stockRequest
01Twin Mass Flywheel · this part5 numbers at this calloutOut of stock
02Dowel pinOut of stockRequest
03DowelOut of stockRequest
04Hex BoltOut of stockRequest
05Grooved ball bearingOut of stockRequest

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InClutch & FlywheelClutch with drive plate