N20 and N26 engine timing chain and oil pump drive chain
BMW technical service bulletin B110317 for 2012-2016 BMW 328I, 2013-2017 BMW X3 and 2012-2016 BMW Z4 and others.
- Bulletin number
- B110317
- Component
- Equipment
- Summary
- N20 AND N26 ENGINE TIMING CHAIN AND OIL PUMP DRIVE CHAIN: Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive and timing chain sprockets.
Vehicles covered
- BMW 328I 2012-2016 20122013201420152016
- BMW X3 2013-2017 20132014201520162017
- BMW Z4 2012-2016 20122013201420152016
- BMW 528I 2012-2016 20122013201420152016
- BMW 330I 2017 2017
- BMW X1 2013-2015 201320142015
- BMW X1 SAV 2012-2015 2012201320142015
- BMW 428I 2014-2016 201420152016
- BMW 320I 2013-2018 201320142015201620172018
- BMW X4 2015-2018 2015201620172018
- BMW 228I 2014-2016 201420152016
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