Skip the auto shop - Our mechanics make house calls

Q: How do I know if the sbsr is bad?

asked by on

Car won't start in the morning but it works in the afternoon, sounds like it lacks of fuel. I checked the fuel pump for power and it doesn't show anything.

My car has 156800 miles.
My car has an automatic transmission.

A: In order to determine if your SBSR is fault...

In order to determine if your SBSR is faulty, a factory scan tool is needed. There are a couple of technical service bulletins about low fuel, the fuel transfer pumps and reprogramming the SBSR module. Check with your local BMW dealership to determine if your vehicle has had the reprogramming performed.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: Ews intermediate no start due to starter immobilizer. How do i bypass starter immobilizer to the starter. Or at least relay

I have had a number of customers make requests such as this. The first few times I entertained the possibility of bypassing this system, but the simple fact is, it is less expensive just to have it fixed. The immobilizer...

Q: Difficulty accelerating, loud fan noise

Hi there. If no body work was done and it was just paint work then it may be an electrical issue. It sounds like the fan is staying applied, which will cause this noise and cause the vehicle to act...

Q: Brake Booster

Hi Laura, It sounds like you may have a bad brake booster. The reason the brakes work when the car is not running is that the vacuum The brake booster is a mechanism that uses vacuum pressure to take...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...