SOURCE: radio no audio 1990 bmw 535i
What happens if you turn the VOLUME to MAXIMUM?
If still no sound , then suspect problem with the speaker , connections or wiring
If loud hissing etc. then speakers appear OK so suspect a radio fault
SOURCE: I have a 2005 BMW
2005 BMW 330i E46
Check and replace if necessary the fuse no.# 41 (30 Amp.) placed in the fuse box / relay plate fascia 1 in the glove box. See pictures below:
SOURCE: the engine turns but the car won,t start.
You will need to check for fuel pressure or dirty filter. If you do not have fuel pressure; be sure to check fuses or any relay pertaining to fuel pump (if electric). If fuses and relays are good check or replace fuel filter. If the fuel pump is mechanical disregard fuses & relays and check or replace fuel filter. If this does not resolve the problem then the problem could be the fuel pump if mechanical, If its an electric fuel pump it could be a fuel pressure regulator, fuel pump, crimped fuel line or other wiring issue.
These are the most common things I run across, oh, a crimped fuel line can cause the problem in either case electric or mechanical. Hope this helps in some way, been awhile sense I worked with an older car.
SOURCE: unable to upload phone numbers from my Verizon LG phone to my BMW 535i
I apologise if this isnt much help, however this is a common query from customers. They're able to pair the phone to the car but not the phonebook or its other functions.
In most cases this is just simply due to the compatability issues between the system integrated into the car and its ability to fully synchronize with the phone. Its not a problem with the car and visa versa its just that particular phone is too sophisticated/complex for the software to handle.
The only way to see which phones are fully compatible is at your local bmw dealer. They should be able to show you a table of which phones are compatible for your model/year and system it operates on.
Hopes this helps!
SOURCE: 1994 BMW 740i with 222,000
Hi.
If it does turn over and electrical works, then the problem is unlikely the battery. You can try jump starting. If it cranks when jump-starting it may be a weak battery, starter motor or alternator, but I don't think that this is the problem.
Check if there is spark on all cylinders. Do a code scanning (this car is OBD1, you will need to do the scan at the dealer place or to find a BMW OBD1 tool- Universal OBD2 scanner will not work on a 1994 BMW). If the codes return misfire or mixture related errors check fuel pressure, check sensors and parts that determine the mixture (MAF/MAP, AIT, O2 sensors, IAC and EGR system), check the vacuum system for leaks and check the crank sensor.
Regards.
Ginko
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