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545i

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Question
Transmission malfunction error code
Hello. You will need to know if your BMW appears to be running normally, or if there are noticeable problems. If there are problems, take it immediately to a qualified technician to diagnose before more damage can happen. Regardless, you...
Question
Vibration in car body when in Drive
A few different items can cause the vehicle to have a vibration. The most likely would be a misfire, engine mount, or transmission mount. Most vibrations have a RPM range at which they are most noticeable. Increasing the idle if...
Question
Car shakes at 40-6- mph and brakes squeak
Many different things can cause a vibration at speeds. The most common causes of this would be warped brake rotors, a damaged suspension component, or tire that is damaged or out of balance. It is possible for this fault to...
Question
Car steering locked in intersection
Hello there, this sounds like an rare situation. The whistling sound with the Check Engine Light would have a few possible symptoms. Most likely there would be an exhaust leak or a vacuum leak. Either could also set the Check...
Question
Airbag & seat belt signs come on and off continually
Hello there, A few different problems can cause airbags faults such as these. The most common problems are with the seat passenger sensor, wiring, or the seatbelt pretensioner. The wiring for the seatbelt can be very sensitive and any change...
Question
Car died, but restarts immediately
Many different faults can cause the vehicle to shut off while running like this. The most common problems for this is the ignition switch, battery cables, intermittent electrical issue, wiring fault, or the battery itself. These kind of issues can...
Question
Transmission leaking oil
The alternator on this vehicle is a common failure. Unlike most cars, it will be intermittent for a while before it fails. I would check the connections on the battery and the alternator first before replacing it. As for the...
Question
Car shakes at 40-6- mph and brakes squeak
You have a brake rotor that is warped causing the vibration since the vibration is only when you hit the brakes it is then in the brakes. To narrow it down when you brake, do you feel it more in...
Question
Vibration in car body when in Drive
The idle on your 2006 BMW 545i is automatically set by the computer, and if your idle is not within specifications, then you can have the throttle body and idle air valve cleaned. The motor and transmission mounts should be...
Question
Car died, but restarts immediately
Your 2006 BMW 545i may be losing main power supply to the main fuse power module from the battery. If you lose the connection, it would also cause the loss of radio and clock memory. Check the battery connections and...
Question
Airbag & seat belt signs come on and off continually
There is a sensor in the seats of your BMW 545i that signals the computer there is someone in the seat and will turn on or off the passenger air bag. If you have leather seats that are not soft...
Question
Engine fan non-stop running until you turn the ignition key off
A P2184 code indicates temp sensor circuit low. That means the voltage that the ECU reads on the temp sensor is low. The ECU interprets this as a hot engine and turns on the fan. A short circuit in the...

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