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Hello! I have not come across this issue specifically related to BMW's. However, what jumped out at me was the fact that two BMW dealership service departments aligned your 740i, took your money, and sent you away with a very...
Hello. You mention the power steering reservoir, so just be sure it is oil and not power steering fluid which of course would change the nature of the repair. To answer one of your concerns, if oil leaks onto the...
Hello. These systems are interconnected, since both of them can control individual wheel brake functions when operating. It is likely that one of the speed sensors are failing. To have this verified, have a qualified professional, like one from YourMechanic,...
Hello and thank you for contacting YourMechanic. Sounds like the light control module that is located under the dash went out. Check the condition of the harness to the light control module for any corrosion or looseness. Check the fuse...
Hello. A no start condition can be caused by many things. If the engine is cranking but not starting then it may be possible that there is an issue with the vehicle's ignition, fuel, or engine management systems. If one...
Hi there. If the wires connected to the mass air flow sensor (MAF) was broken and all of the wires were touching each other, then the wires would have shorted out the MAF sensor. I recommend repairing the wires and...
Hi there. Usually the reduced power light is caused by an engine component failure, like the throttle body, TPS or bad O2 sensors. It is very possible that the additional transmission fluid has created a trouble code that might have...
Hello there. Typically, a vehicle will start and then quit because of an issue with the fuel or electrical system. Some common parts that cause this include mass air flow sensors, damaged or clogged fuel injectors, or the throttle body...
If the rate of acceleration is greater than commanded (aka, "unintended acceleration"), you might have a problem in the electronic throttle control, throttle position sensor, idle air control, or related systems. You might take a look at the OBD-II system...