Technical Service Bulletin B121514 — 2011 BMW 135I US
POWER TRAIN
Bulletin Details
| TSB ID | B121514 |
| Manufacturer | |
| Vehicle | 2011 BMW 135I US |
| Component | POWER TRAIN |
| Communication Date |
Bulletin Summary
This Service Information bulletin supersedes SI B12 15 14 dated August 2014. designates changes to this revision SUBJECT N55 with Double-Clutch Transmission: Idle Fluctuates when Stopped. A customer may complain that after coming to a stop, the engine speed intermittently fluctuates from about 500 RPM to 1,100 RPM. This situation can be more noticeable when the air conditioner is on. CAUSE DME software (idle control adaptation).
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2011 BMW 135I US
640313
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
640313
ELECTRICAL SYSTEM
840313
ELECTRICAL SYSTEM:SOFTWARE
SIB-12-01-11
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY