Shop OEM BMW Part # 51218135960 (51-21-8-135-960). Door Lock Cylinder. 2 DOOR. 4 DOOR. 525, 535, M5; Right. CONVERT NEW STYLE, 2 DOOR. CONVERT NEW STYLE, 4 DOOR. Series 3; 318, 325, M3

Lock. Cylinder.
A Lock Cylinder to Lock the vehicle's side hinged door(s). and Amplifier; keys. Set. Door. Repair Kit.

Door Lock Cylinder

Fits 318i, 318is, 325i, 325is, 525i, 525iT, 535i, M5

2 DOOR. 4 DOOR. 525, 535, M5; Right. CONVERT NEW STYLE, 2 DOOR. CONVERT NEW STYLE, 4 DOOR. Series 3; 318, 325, M3; Right.
Door Lock Cylinder - Repair or Replace
If your keys don't turn in your door, you might need to replace the door lock cylinder in your .