Yet another 4 series in for a timing chain on the verge of letting go! This was a 2014 430d, covered 80k miles. Customer reported a noise from the... | By ADC
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BMW Timing Chain, Timing Belt and Cam Belt repair, replacement, maintenance and service - A1 Diagnostics
![WHEN TO REPLACE TIMING CHAIN ON BMW N51 N52 N53 ENGINE E90 E91 E92 E93 E60 E61 E70 X3 X5 E81 E82 E87 - YouTube WHEN TO REPLACE TIMING CHAIN ON BMW N51 N52 N53 ENGINE E90 E91 E92 E93 E60 E61 E70 X3 X5 E81 E82 E87 - YouTube](https://i.ytimg.com/vi/WkpXNcoZRLc/maxresdefault.jpg)