Genuine BMW Rear Main Seal, BMW B48 1303410 and has a reputation for

and has a reputation for being a capable engine

X21MXSSTRCAN

The Mishimoto thermostat comes pre-installed in a durable OEM-quality housing and fits many BMWs including E46

consistently outperforming competitors on both the track and the street

and features advanced engineering to optimize combustion and increase power output

Genuine BMW Rear Main Seal, BMW B48 1303410 and has a reputation forThe rear main seal, also known as the rear crankshaft seal, is a crucial component in an engine. Genuine BMW Part Number: 11148664904 Purpose 1. Prevents Oil Leaks: The primary function of the rear main seal is to prevent engine oil from leaking out of the rear end of the crankshaft. It seals the gap between the crankshaft and the engine block or the transmission housing, ensuring that the oil remains within the engine. 2. Maintains Oil Pressure: By