Shop OEM BMW Part # 11217849243 (11-21-7-849-243). Engine Crankshaft Main Bearing. M2; Upper; Journal 6; Brown. M3, M4; Main Bearings; #1; Upper; Brown. M4; Main Bearings; #1; Upper; Brown

Main. Bearings. Bearing Shell, brown. Engine Crankshaft Bearing.
Color-Brown. Engine Crankshaft Main Bearing. Includes: One Bearing Half. Includes: One Half Shell.

Engine Crankshaft Main Bearing

Fits M2, M3, M4, X4

M2; Upper; Journal 6; Brown. M3, M4; Main Bearings; #1; Upper; Brown. M4; Main Bearings; #1; Upper; Brown. X4; Main Bearings; #1; Upper; Brown.
Crankshaft Main Bearing - Repair or Replace
If your has developed a knocking or tapping sound coming from the engine, you could have a faulty crankshaft main bearing. Allow our certified technicians to help you determine the source of the noise and the best possible solution.