BMW X5 e53 4.4 car will not start getting trans and engine failsafe on dash

Asked by Jun 26, 2017 at 10:38 AM about the 2005 BMW X5 4.4 Sport

Question type: Maintenance & repair

6 Answers


Does the engine turn over, but not fire up? Was it working fine before? Has it been unused for a while? Could be related to your battery having low voltage... need a little more information before trying to work out what's wrong.

Doesn't turn over does nothing Not driven for 2 days Working perfect before Last day it was used had air con on during car wash!!?? Garage tried to jumpstart, still nothing,car had to be towed away.garage can't find fault no codes computer not talking!!! From what I've read online etc I was thinking battery but the mechanic didn't think so?????? Car is at an auto electrical garage so don't really want to rock the boat by asking if they have tried another battery!! But they seem to be relying on the car computer telling them what's wrong!!


That sounds very strange... would have at least expected it to turn over with an attempted jump start! I wonder if it could be the gearbox inhibitor switch? If the car thinks it's in gear presumably it won't try to start the engine. Good luck and let us know if they manage to find the fault. I'll do a little more digging and see if I can come up with any more suggestions.


Did you manage to get this resolved? Just interested to know what the problem was.

Garage says it's ECU! They've had it running so have to believe them! waiting on an ECU, we'll see what happens!! Will send messages when sorted. Cheers Kevin


Oh that's bad luck Kevin, hope it's not too expensive to get it sorted!

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