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BMW diagram reference

Drum brake-brake drum/wheel brake cyl. for BMW 3 Series E21 315 (1980)

Use this BMW diagram reference when you know the component location or position number and need to identify the OEM part number, quantity, and notes.

Diagram reference

Use the position table

This page does not display a diagram image while image-source permission is unverified. Use the position numbers and part table to identify candidate BMW part numbers.

Open source reference

No.Part numberDescriptionQtyNotes
0134216752373Brake drum2
0207119905524Hex bolt4
0307119933082Spring washer4
0434211117104Wheel brake cylinder2ENDED
0534212061731Compression spring2ENDED
0634111153198Dust cap2
0734219023168Ventilation valve2
0834211117344Gasket set brake cylinder2ENDED