N20 and N26 engine timing chain and oil pump drive chain: limited warranty extension to 7 years/70,000 miles
BMW technical service bulletin B110317 for 2012-2015 BMW 328I, 2014-2015 BMW 428I and 2012-2015 BMW 320I and others.
- Bulletin number
- B110317
- Component
- Engine and engine cooling
- Summary
- N20 and n26 engine timing chain and oil pump drive chain: limited warranty extension to 7 years/70,000 miles
Owners of these vehicles have filed 418 complaints in the engine category.
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