BMW Timing Chain Tensioner

The timing chain tensioner keeps the timing chain under the correct tension. The timing chain tensioner has an internal spring; this creates force against the timing chain tensioner guide to maintain the correct tension of the timing chain. Over time, just like timing belts, timing chains can stretch. A stretched timing chain can be caused by a failing or faulty timing chain tensioner. If the timing chain tensioner is faulty, it can cause the timing chain to become noisy or result in complete timing chain failure. Complete timing chain failure can cause major internal engine damage! Check your timing chain, guides and sprockets for wear and replace if necessary.

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Additional Information

Fitment