BMW part number 51211940825 is a genuine BMW Torx bolt with a captive washer (M6 x 12 mm). It has been superseded by part number 51219130334 and fits a wide range of 1989–2019 BMW vehicles (including the 1, 3, 5, 6, 7, 8, X5, X6, Z3, Z4, and Z8 Series).
- Door & Window Hardware: Primarily used to mount door locking mechanisms, window glass surround guide rails, and door frame brackets inside the door shell.
- Engine Bay & Trim Mounting: Also used across various chassis to secure air filter housings, engine air intake hoses, support braces, and trunk lid / tailgate hardware.
- Captive Washer Design: The integrated washer distributes clamping force across thin sheet metal or plastic brackets while preventing the bolt from vibrating loose.
- 1 Series (E82): Fits 2008–2013 coupes including the 128i, 135i, and 1M Coupe.
- 3 Series (E36 / E46 / E90 / E92 / E93): Fits 1992–2013 models including the 318i, 318is, 318ti, 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 328xi, 330Ci, 330i, 330xi, 335i, 335is, 335xi, and M3.
- 5 Series (E34 / E39 / E60 / E61 / F10 / F11): Fits 1989–2016 models including the 525i, 525xi, 528i, 528xi, 530i, 530xi, 535i, 535xi, 540i, 545i, 550i, and M5
Cross-Brand Fitment: Used on Rolls-Royce Phantom and Phantom Extended Wheelbase models to secure interior door trim panel and side airbag components
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