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All parts › BMW M4 CSL › S58 engine › Camshafts › Exhaust camshaft

Exhaust camshaft

Part of Camshafts · about $950 to replace

What it is

Cam operating the 12 exhaust valves.

What it does

Times exhaust valve opening; drives the high-pressure fuel pump.

How it fails

Fuel-pump lobe wear.

MaterialAssembled steel
Spec9.0 mm lift
Exhaust camshaft highlighted on the car

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