BMW 550e xDrive Timing Chain Tensioner Replacement Cost

The average cost for a BMW 550e xDrive Timing Chain Tensioner Replacement is between $441 and $527.

Labor costs are estimated between $183 and $269 while parts are typically priced around $258.
This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

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Timing Chain Tensioner Replacement

Common symptoms

A worn tensioner will give the timing chain too much slack, and this may lead to a slapping noise, especially when first starting the engine. A worn tensioner may also cause the check engine light to come on, and the engine may run rough, hesitate or stall.

Common misdiagnoses

The sound of timing chain slap is similar to a tapping lifter at startup, so many times they are not replaced because the sound goes away after a few moments.

Best practices

When the timing chain tensioner has failed, there may be damage to the timing chain guide rails or engine front cover, so the technician may recommend further inspection or changing the oil to check for debris. For engines with more than one timing chain tensioner, they should be replaced as a set.

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BMW Timing Chain Tensioner Replacement Cost Estimates

The average cost for a Timing Chain Tensioner Replacement is between $441 and $527 but can vary from car to car.