ACL

7M1539-.25

ACL 7M1539-.25 Oversized Main Bearing Set for BMW, 0.25mm

Main Bearings

1983-2005 > BMW > All Models > BMW 6 cylinder 2494-2693-2793
** NOTE : PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC

ACL's main bearings are made of a softer metal so that you don't wear out your crank or engine block. Additionally a thin layer of oil lubricates the connection between the bearings and the crank allowing the crank to "float" and reduce wear. Proper support via main bearings is crucial to prevent oscillations and wear that can damage the crankshaft and other components as the motor moves further out of balance.

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