Camshaft Timing Chain – Bmw E46 99-05

Camshaft Timing Chain – Bmw E46 99-05

This repair group covers timing chain and Variable Camshaft Timing (VANOS) repair information. The timing chains are lubricated by engine oil and do not require maintenance. Worn timing chains and sprockets can lead to noisy operation and erratic valve timing. A faulty tensioner can also cause timing chain noises.