Skip the auto shop - Our mechanics make house calls

Q: Warning lights while driving

asked by on

Hello,

I have a BMW 645ci and I have been having problems where all the lights on the dahboard pop up, like ABS, TRANSMISSION FAULT, SEATBELT, HANDBRAKE etc. I have recently changed the battery hoping this will helped but it hasnt, do you know if this might be an alternator problem?

My car has 104000 miles.
My car has an automatic transmission.

A: There can be a lot of things that could cau...

There can be a lot of things that could cause all of your warning lights to come on. Low battery voltage loves to reek havoc on any electrical systems and a low charging alternator would be the simplest repair. It is also not uncommon for the vehicles computer to intermittently fail.

I would recommend enlisting the assistance of one of our certified technicians to come by and perform an electrical diagnostic on your BMW. Once on, site the technician will be able to put their skills to work and determine the exact cause of your multiple warning lights coming on. They will also be able to assist you with the repairs needed to get your BMW up and running again.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: My car is shaking.

Hello. the Diagnostic Trouble Codes would have to be retrieved to begin the diagnosis. Unless the shop retrieved all codes and performed a diagnosis and tested the coils (there are six of them on your engine), what they have told...

Q: Xenon lights only dim when switched on

Hello, thanks for writing in about your 645Ci. From what you've described, the bulbs will need to be replaced most likely. They will become very dim when they are going out and will shut off completely at any moment at...

Q: What would cause my power steering fluid to get low so often?

Hello there, many common faults will cause your 2004 Ford Escape to run low on power steering fluid. The most common would be a leaking power steering pump, steering rack failing, or the power steering lines. When the power steering...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.