BMW 1 Series M 2012–2017 — technical service bulletin

Bulletin B110117 · NHTSA communication 10146525 · issued Feb 1, 2017

Technical service bulletin

communication type

Engine

component

2012–2017

model years

vehicle entries

Official summary

?N63T AND S63T ENGINE: VALVE SEAL REPLACEMENT . This SI provides a new tool and a new procedure for the N63TU valve seals replacement. Please refer to the following applicable SIBs before replacing the valve seals. SI B11 07 11 - Turbocharger Failure: Oil Supply and Return Line Blockage and Proper Repairs SI B11 01 13 - N63 and N63TU Engines: Engine Oil Consumption, Engine Oil Top-ups and Refill Capacity SI B11 03 13 - Engine Oil Consumption (all models) SI B11 04 13 - N63TU Engine: Engine Oil Consumption If the valve seals are leaking, one of the following will help determine if the seals sho

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.