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Service bulletin B240215

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 id10147714
Published by NHTSA2018-11-13
Manufacturer's numberB240215
Manufacturer's date2015-06-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

8HP: Transmission Fluid Loss from Cooler Lines Connections. There is a transmission fluid leak in the area around the oil cooler lines (on the transmission side). CAUSE Damaged o-rings due to unfavorable cooling line connection tolerances

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, Automatic transmission

Vehicles listed
BMW 228I2014, 2015, 2016
BMW 320I2013, 2014, 2015, 2016
BMW 328I2012, 2013, 2014, 2015, 2016
BMW 335I2012, 2013, 2014, 2015, 2016
BMW 428I2014, 2015, 2016
BMW 435I2014, 2015, 2016
BMW ACTIVE HYBRID 32013
BMW ACTIVE HYBRID 32014, 2015
BMW M235I2014, 2015, 2016
BMW X1 SAV2012 to 2015
BMW Z42012, 2013, 2014, 2015, 2016

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
B2402162018-12-10. Service bulletin. F30 PHEVs- Delayed Driving Readiness Status. Immediately after an engine start (start/stop button press), the gear selector is operated, but no drive position (D or R) can be engaged (transmission stays in P). The customer must operate the gear selector again to engage a desired drive position. Unfavorable software application Vehicle requires approximately 1 second after the start/stop button is pressed to establish a Drive Readiness status. If the gear selector is operated during this 1-second window, gear selection is not going to be executed and the gear shifter must be engaged again.
B2401162018-12-10. Service bulletin. "F15, F30 PHEVs- Gear Selector Plausibility Faults. The Check Control message ""Drive: Stop carefully"" (CCM-ID: 569) is displayed. The following fault codes may be stored in the transmission EGS control module (GKEG3HY3): 44D663 - Position plausibility: Driver's choice N/P from D/R not executed CF1701 - Gear selector switch interface, communication failure CF17A1 - Message missing: receiver EGS (A-CAN), transmitter selector switch (A-CAN) EGS software diagnostic function"
1201132018-12-03. Service bulletin. MN16 Engine: FC 2D9B Knock Sensor, Signal Is Stored in the DME. Certain areas of the US experience extremely cold climate conditions during the winter months, which can cause the Service Engine Soon lamp to illuminate while the engine temperature is increasing to full operating temperature. The following fault may be stored in the DME: ??FC 2D9B Knock Sensor, Signal CAUSE Unfavorable DME knock sensor diagnostic at outside ambient temperatures below -5° C
B1226182018-12-03. Service bulletin. ? ?SERVICE ACTION: REPLACE THE STARTER MOTOR F30/G12 PHEV. Due to high impact energy when engaging, the circlip for the starter motor pinion positioning may break which may cause the pinion to move in the direction of the starter jaw, causing a a damage of the starter motor. Also, a consequential damage to the flywheel (torsional vibration damper) and automatic transmission may occurr.
B2407122018-11-05. Service bulletin. "This Service Information bulletin supersedes SI B24 07 12 dated November 2012 SUBJECT Hybrid Automatic Transmission: Fluid Maintenance Service Interval. INFORMATION Only properly trained personnel, who have passed all applicable technical training courses, should perform any maintenance or repairs on any Hybrid or Electric Vehicle. Work performed by unqualified persons may result in severe injury or damage to the vehicle. Additional information may be found in REP 61 00... Observe safety instructions when handling electric vehicles. This requirement is due to the hybrid-specific components that are contained in the transmission. Refer to Repair Instruction 00 00 630, ""Automatic transmission fluid service (GA8P70Z) N55 hybrid,"" for the proper servicing procedure. Refer to SI B00 09 12 for BMW Maintenance Program claim-related information."
24 02 152016-01-12. Service bulletin. ON THE TRANSMISSION SIDE, THERE IS A TRANSMISSION FLUID LEAK AROUND THE OIL COOLER LINES. *MA
SIB-24-02-152015-10-07. Service bulletin. BMW: ON TRANSMISSION SIDE, IN SOME VEHICLES, THE TRANSMISSION FLUID IS LEAKING AROUND THE AREA OF THE OIL COOLER LINES CAUSING UNFAVORABLE COOLING LINE CONNECTION TOLERANCES TO DAMAGE O RINGS. MODEL E84 (X1), E89 (Z4), F22 & 23 (2 SERIES), F30 & 31 (3 SERIES), F32 & 33 (4 SERIES), F34 (GRAN TURISMO), F36 (GRAN COUPE). *PE