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2013-2016 E89 Z4 sDrive18i
Our heavy-duty iron sleeves offer the reliability you need to maximize your engine's potential
50mm Exhaust Rally / Race 301° Intake / 293° Exhaust 12
a malfunctioning actuator can significantly reduce engine power and cause drivability issues
Beryllium-Free Copper alloy is renowned for its superior heat resistance and durability
Genuine BMW Front Main Seal, BMW B58 Sirius 2013-2016 E89 Z4 sDrive18iThe front main seal, also known as the front crankshaft seal, plays a critical role in the proper functioning of an engine. BMW Part Number: 11118664905 Purpose 1. Prevents Oil Leaks: The primary function of the front main seal is to prevent engine oil from leaking out of the front end of the crankshaft. It seals the gap between the crankshaft and the timing cover or the engine block, ensuring that the oil stays within the engine. 2. Maintains Oil
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