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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > E90 320D - Sluggish Acceleration followed by Breakdown



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      03-29-2019, 07:01 AM   #45
helpmepls
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Originally Posted by criscarp View Post
Your battery has drained due to the electrical load fault which you know about. You should have disconnected your battery when not messing with it or you will knacker the new battery too. Disconnect it and put it on charge. Do not play around with the car with a dead battery you are likely throw lots more error codes and upset the car alarm and your car will be immobilized adding to your problems.

You really need to be 100% sure your loom and fuses are functional. It is possible your fuel pressure regulating valve and pressure sensor are fried along with the turbo actuator electronics.

Yes it is possible the pressure sensor could also throw the code for the pressure regulator but it does not mean it is.

If you are going to try and check for faults that are draining the battery you could possibly try un-plugging the turbo actuator loom connector and the connectors for the pressure sensor and the fuel pressure regulator and see if your battery still drains. But then again I do not know your capabilities. A good mechanic should be able to sort this out no problem. Finding one that's a different story.
It looks like you were right - the drainage and reason why the car wouldn't start was due to fuse 1 (20A) in the ecu box - I'm really not sure why the previous garage said this was fine.

Other than some minor issues (that doesn't affect drivability), the car is driving well - big thanks to Criscarp, correctly diagnosed it over the internet!
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      03-29-2019, 08:42 AM   #46
criscarp
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Originally Posted by helpmepls View Post
It looks like you were right - the drainage and reason why the car wouldn't start was due to fuse 1 (20A) in the ecu box - I'm really not sure why the previous garage said this was fine.

Other than some minor issues (that doesn't affect drivability), the car is driving well - big thanks to Criscarp, correctly diagnosed it over the internet!
Glad you got back on the road. Well done
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      03-29-2019, 03:48 PM   #47
rasa bmw
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Quote:
Originally Posted by helpmepls View Post
It looks like you were right - the drainage and reason why the car wouldn't start was due to fuse 1 (20A) in the ecu box - I'm really not sure why the previous garage said this was fine.

Other than some minor issues (that doesn't affect drivability), the car is driving well - big thanks to Criscarp, correctly diagnosed it over the internet!
champion,,looked worse than what it looked like it was going to be.
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