A common source of exhaust-related codes, VANOS, and boost-related issues can often be traced back to this cam gear. If yours is worn and failed, replace it with this quality replacement part from URO.
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The variable valve timing system on modern BMW engines is critical for both daily street driveability and wide-open throttle performance. When the factory exhaust gear wears down, it compromises the responsiveness of your BMW powerplant.
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