2014 BMW M5 Engine Problems

2 NHTSA complaints on file

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Engine Issues in the 2014 BMW M5

2 engine complaints have been filed with NHTSA for the 2014 BMW M5. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.

2
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

All Engine Complaints

#11487810 |
My car (a 2014 BMW M5 with only approx. 39K miles) has a known issue with defective fuel injectors (manufactured by Bosch, subsequently replaced by an upgraded part). In fact, in 2018 BMW issued me and other owners with an extended warranty for the fuel injectors for 10 years/120,000 miles (see attached copy). However, in my opinion and based on a 9/7/2022 failure incident I experienced the defective fuel injectors should have resulted in a safety recall. Previously, my car experienced a check engine light in August 2022. The dealership suspected one or more leaking fuel injectors and noted as such on my repair invoice, but I was told due to the testing protocol which BMW requires they could not replace any of the fuel injectors. BMW's testing protocol also resulted in me incurring a large bill of almost $1,100 due to the diagnosis labor involved. On 9/7/2022 while I...
#11373629 |
BEHAVIOR OF MY CAR'S DCT TRANSMISSION HAS CREATED A DANGEROUS SITUATION WHICH ALMOST RESULTED IN AN ACCIDENT FOR ME. I BELIEVE THIS IS DUE TO A SOFTWARE CHANGE BMW MADE TO THE DCT TRANSMISSION. THE ISSUE IS AS FOLLOWS: -WHEN DRIVING AT HIGHWAY SPEED, WHEN YOU RELEASE THE THROTTLE AND LET THE VEHICLE COAST (AS WHEN YOU WANT THE VEHICLE TO NATURALLY DECELERATE WITHOUT BRAKING) THE TRANSMISSION WILL DISENGAGE THE DCT CLUTCHES. THE CAR WILL THEN MAINTAIN SPEED (AS IF CRUISE CONTROL WERE ENGAGED) INSTEAD OF NATURALLY DECELERATING. IN AND OF ITSELF, THIS BEHAVIOR IS DANGEROUS DUE TO THE FACT THE VEHICLE WILL MAINTAIN UNWANTED SPEED. -WHEN THEN TRYING TO RE-ACCELERATE QUICKLY FROM COASTING WHERE A DOWNSHIFT IS NEEDED (AS IN WHEN NEEDING TO PASS LEGALLY ON A 2 LANE HIGHWAY), THE CAR WILL NOT RE-ENGAGE THE CLUTCHES FOR A COUPLE OF SECONDS OR SO. THIS CAUSES TOTAL LOSS OF...
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