This bulletin released by BMW addresses the issue of potential engine hydraulic lock caused by a fuel injector that is stuck in the open position, where the engine will mo longer turn over due to liquid fuel trapped in the cylinder.
This bulletin applies to 2013 BMW vehicles equipped with the N54 turbocharged engine. A slight rattle noise may be heard from the engine compartment after turning the engine off. This noise is similar to a mechanical typewriter. In addition, a slight reduction of power, similar to a turbo lag, may be experienced.
BMW offers specialty tools which allow you to check engine oil pressure. The oil pressure cap tool P/N 83 30 0 493 937 is used in conjunction with 83 30 0 496 457, pressure sensor adapter 83 30 0 496 623 and the 100-bar pressure sensor to test engine oil pressure.
This bulletin applies to 2012 BMW 640i models. Rattling noises may be heard from the instrument panel where the defroster vents are located.
This bulletin applies to 2010 BMW 328i models equipped with the optional CIC navigation system professional.
This bulletin applies to 2011 BMW 328i E93 equipped models, produced from Aug. 31, 2006, to July 2, 2007. A “rear light failure” message may be displayed in the check control and one of the brake force display lights may be inoperative. The cause is likely a light bulb failure or a loose contact between the light bulb and socket.
This bulletin applies to 2012 BMW 750i Hybrid vehicles. The engine oil pump volume control valve gasket seal ring may leak oil. The cause may be damage during factory or service assembly.
This bulletin applies to 2010 BMW Hybrid X6 models equipped with the E72 engine. The Service Engine Soon lamp may be illuminated, with faults stored in the DME memory.
This bulletin applies to 2012 BMW 328i models. A check control message “Electronic Malfunction” may be displayed in the instrument cluster and CID (Central Information Display) along with various electrical functions inoperative.
A pulsing or droning noise may be heard from the front of the vehicle on 2012 BMW 7-series models. The auxiliary water pump or the water hoses that lead from it may be in contact with adjacent components, or the auxiliary pump may be installed incorrectly on the rubber mount. Harmonic vibration from the auxiliary water pump is being transferred through the bracket that supports the pump.