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Service bulletin B170517

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10146677
Published by NHTSA2018-11-05
Manufacturer's numberB170517
Manufacturer's date2017-08-01
NHTSA componentPOWER TRAIN

NHTSA's summary

SERVICE ACTION: REPLACE THE MOUNT FOR THE TRANSMISSION OIL COOLER THERMOSTAT. There may be a rattling noise coming from the engine area at the transmission oil cooler thermostat or (on xDrive models only) the transmission oil cooler lines coming into contact with the left front output shaft. The bracket that holds the transmission oil cooler thermostat to the left front frame rail may be defective

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
BMW 530E2018
BMW 530I2017, 2018
BMW 540D2018
BMW 540I2017
BMW 550I2017
BMW 750LI2016
BMW F800 R2017
BMW R NINE T2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
InVeh-InApp-Comm2026-02-25. Over-the-air update. It was determined that during start-up, there is a possibility that the vehicle cannot be put into gear. If this happens, a fault message will say “No drive position change possible.”
MC3302242024-04-01. Service bulletin. After close inspection of the manufacturing process, there is a weld seam at the hollow shaft and crown wheel connection in the rear drive that is not to specification in a few rear drives. Depending on riding habit, this can lead to slipping and loss of propulsion over time.
B2402232023-05-01. Service bulletin. BMW AG has issued a Delivery Stop: Due to a software failure, there is the possibility that the transmission does not go into "sleep mode" if the car is turned off.
B2604222023-03-20. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature.
MC1105212021-08-23. Service bulletin. During quality analysis, an issue was identified with a small group of sixteen (16) motorcycles that mayaffect crankshaft bearing wear.
MC2102212021-08-09. Service bulletin. The clutch plates do not tolerate frequent and prolonged operation at the clutch friction zone, causing a shorter service life in motorcycles that see intensive use
B1227162020-05-18. Service bulletin. DIAGNOSING NON FUNCTIONING eDRIVE: Vehicle will not go into "eDrive". No pertinent electric drivetrain fault codes to assist with diagnosis. "eDrive" may be greyed-out in the Central Information Display (CID) and is not selectable. MSA deactivation. 12 Volt battery failure. Intelligent Battery Sensor (IBS) failure.
B3405172020-04-20. Service bulletin. TICKING NOISE WHILE CORNERING WITHOUT THE BRAKES APPLIED: This Service Information Bulletin (Revision 3) replaces SI B34 05 17 dated September 2017. Ticking noise coming from front wheel while cornering without brakes applied noticeable at low speeds. The vehicle must be moving. See attached video V34 01 20 Note: For a similar noise heard when parking with the brakes applied refer to SIB 31 01 12. Microscopic movement of the contact interface between the inner brake disc and the wheel bearing flange on vehicles equipped with lightweight brake discs.
B2601192019-02-25. Service bulletin. HUMMING NOISE FROM DRIVELINE (G30 B46O). There is a humming noise coming from the driveline at approximately 62 mph (100 KM/h). Imbalance in the rear driveshaft flex disc (giubo).
B2402192019-02-25. Service bulletin. TRANSMISSION SHIFTING FAULTS AT COLD TEMPERATURES.