BMW 525D Xdrive 2014–2015 — technical service bulletin
Bulletin B011418 · NHTSA communication 10152288 · issued Sep 1, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2015
model years
4
vehicle entries
Official summary
?EXHAUST-GAS RECIRCULATION (EGR) VALVE (N57T): LIMITED WARRANTY EXTENSION TO 10 YEARS/120,000 MILEAGE. Due to an issue with the exhaust-gas recirculation (EGR) valve, the malfunction indicator lamp (MIL) lights up and vehicle engine may begin jerking or have sporadic idle fluctuations. Additionally, the fault memory may read the following fault codes: * 255C00 - EGR controller, position control: Valve too wide open/negative control deviation * 272F00 - Exhaust-gas recirculation valve, plausibility: mechanically faulty, near open position * 272E00 - Exhaust-gas recirculation valve, plausibility
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.