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BMW 545i Questions

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I have 2004 545i everything was good , I try to put gas but when I went to start my car it didn't want to start
The light doesn't come on along with the radio and seat belt alarms. What could be the problem and potential cost to repair?
I have now spent thousands on trying to fix this problem. The latest is I have just had the clock spring in the steering wheel replaced and it is still showing a fault....also the horn is not working and the GPS seems stuck on one spot....
Any ideas at this stage would be mighty helpful, (other than rebadging to a Toyota)
I have a BMW 545i and it seem to not be going into high gear like when you slam on the gas pedal it stays in low gear the guy i brought it from said that i was a tranny sensor but i cant seem to find one of those online anywhere does anyone know anything about this problem i really need help..
As I am driving it feels like the engine is in responsive or hesitant. I thought it may be a valve issue so I used a complete fuel system cleaner. No luck. Car tranny skips at 35 to 40 mph. Help!
I won't say that I hate this car but something is always wrong, at the moment I have no music in the car for about 4 months now...When it's cold out, it would work as normal but when I switch off the car after reaching my destination, music shut down for good, just get the bmw logo and then it dims out and back on continuously till next morn (if it's cold out) I was told it's the radio, then another say battery, then another say it's another small box in the back under the spare tire, I just don't know what to think right now and I'm getting frustrated.
Does the fuel pump relay make my 2005 BMW 545i not to start in the morning
Could u explain why my car spewing dart when is cold out but when is hot is start could u tell why is that
My car doesint start in the morning when i took it to BMW dealership they said they cannot find any thing wrong . But they started the vehicle up for me
Windshield fluid problems
how can i check my transmission
It jerks every couple of seconds when I'm driving. It used to do this several months ago and then it stopped. Now, it's doing it again. Any help would be greatly appreciated. I'm constantly having to have repairs done to this car.
i need to turn off the air suspension to put on the lift
It has a light on that shows the steering fluid has a problem.
My car is automatic and manual and sometimes the car change form automatic transmission to manual transmission and start shifting from 2 to 1 or from 1 to 2 shift and sometimes the shift from Neutral to Reverse take long to shift.
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