34 31 7 838 638Brake master cylinder
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Fits E46 M3 2000–03 — S54 engine
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Callout 01 on BMW’s drawing “Brake master cylinder DSC”. Open the drawing →
This is a genuine BMW brake master cylinder, part number 34 31 7 838 638. You will find it under Brakes (Foot, brake master cylinder). It supersedes the older numbers 34 31 2 282 624 and 34 31 7 838 253, so a part carrying any of them is the same part.
Fits E46 M3 (2001–2006), coupe and convertible, with the S54 engine.
BMW draws it on 2 drawings, among them Brake master cylinder and Brake master cylinder DSC. It weighs about 600 g (1.3 lb).
Out of stock. Request it and we will notify you when it is in stock.
Details
03202518243Used 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.
34 31 7 838 638currentOut of stock34 31 2 282 624replaced by 34 31 7 838 63834 31 7 838 253replaced by 34 31 7 838 638
The other parts on BMW’s drawing “Brake master cylinder DSC”. Open the drawing →
| # | Part | In stock | Action |
|---|---|---|---|
| 01 | Brake master cylinder · this part | Out of stock | |
| 02 | DSC pressure sensor | Out of stock | Request |
| 03 | Self-locking hex nut | Out of stock | Request |
| 04 | Brake master cylinder o-ring | Out of stock | Request |
| 05 | Sealing plug2 numbers at this callout | Out of stock | Request |
| 06 | EXPANSION TANK with warning switch | Out of stock | Request |
| 07 | Cap with warning switch | Out of stock | Request |
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