[Franzein]

So my car stalled out when I was pulling it out of my garage and then the car won't start but cranks smoothly but engine won't start

Any ideas? It's not the battery or the fuel pump fuse #70

Thanks

50k mile n54 manual Jb4 fbo

[mojobmw_e90]

Check the main ground in the engine bay

[Masher]

yupp same issue then after 3rd day it wouldnt crank. mechanic said it was starter spent 700 fml. Turns out wasn't starter it was the ground cable connected to it.

[Franzein]

Thanks a lot do you have picture of the exact cable?

[RocketSurgeon]

It's a braided metal cable on the bottom driver's side of the engine. You can test it by using jumper cables to ground your engine to the ground stud in the engine bay. Just use the black cable, connect one end to something metal on the engine, and connect the other end to the ground stud or strut bolt.

[JuniorB]

Make sure your getting fuel to the injectors at the correct psi before ruling out fuel. If you have a scanner, look for the tps % to verify its within spec, next measure the resistance for the crank sensor. Very doubtful it's coils unless you lost power to all of them. If these all measure to be spot on, it's further in the car or ecu. Hope this helps.

[JuniorB]

One other thing, any recent work done, make sure you have a fully charged battery when trying to diagnosis these. Cranking the car for 15-20 min will drop it down to below spec.