BMW 328D 2014–2018 — technical service bulletin
Bulletin B010520 · NHTSA communication 10177615 · issued Jun 1, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2018
model years
17
vehicle entries
Official summary
N47T/N57T EGR COOLER LTD WTY EXTENSION TO 10 YEARS WITHOUT MILEAGE LIMIT: The vehicle demonstrates a power loss and the malfunction indicator lamp (MIL) on. The intake manifold (intake system) is found to have thermal deformation or damage. Melt through may also be found in the area of the EGR inlet and randomly around the intake system.
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.