Genuine BMW Rear Main Seal, BMW B58 36136890324 OEM outer CV housing reinforced

OEM outer CV housing reinforced with Chromoly cage and race set

NMK works closely with drivers to tailor each tune according to their specific needs

2010–2014     BMW E71     X6 xDrive50i

this kit is ideal for applications demanding high power output and efficiency

2017-2021 BMW F22/F23 M240i

Genuine BMW Rear Main Seal, BMW B58 36136890324 OEM outer CV housing reinforcedThe 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