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Sounds like you have a dead battery. Try recharging the battery or get someone with jumper cables to give you a jump. If your battery dies again after driving for at least an hour you likely need a new battery. If the battery in the car is the original, it's time to replace it anyway.
hi, you have two options. you can disconnect the negtaive lead on the battery and then hold down the brake pedal for 3-5 seconds. this will reset the ecu and and stop the problem..
or if you open the hood and look in the engine compartment on the left hand side you will see a small retangular fuse box. if you open up your bmw owners manual it will list each fuse and its circuit. take the small green clips and pull the fuse marked exterior auxiliary lights.
this will keeep you from ahving to reset your radio code and having to re-teach the ecu your driving habits etc.
TURN OFF RADIO FIRST BEFORE DISCONNECTING THE NEGATIVE BATTERY CABLE BUT.THATS NO GUARANTEE YOU WILL LOSE RADIO CODE I WOULD TRY TO USE A BACK UP MEMORY SAVER YOU PLUG IN THE CIGARETTE LIGHTER BUT NO GOOD IF CAR GOING TO BE DOWN LONG.TIME BECAUSE THE MEMORY SAVER BATTERY WILL GET WEAK YOURE IN TROUBLE.BMW WARNS IF YOU DISCONNECT BATTERY CABLES YOU WOULD LOSE HEATING COOLING CLIMATE CONTROL.YOU ALSO WILL LOSE FUNCTION TO WINDSHIELD WIPERS AND WASHER , CENTRAL LOCKING AND THEFT SYSTEM CONTROL.
Go to an auto parts store and get a Haynes repair manual for your vehicle and look up disassembly of the dash board area. That will be the best solution to getting that radio out.
Hi! You don't need to take the vehicle to the dealership, just the vin number registration document/title proof of ownership and identification. They should be only too glad to give you the code for a small fee I guess. Hope this sorts it? Please press the Blue Button for My FREE! advice. Thank You! Paul 'W' U.K.
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