5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
540i was stalling in mid drive, now won't start at all, mechanic doesn't know why?
About a month ago, I took my 540i to a mechanic to have the trailing arms fixed. A week later, I'm driving downtown and my car just stalls out (never in my 5 years of ownership has it done that.) Then, it takes several tries to get it to turn over. Eventually it did and I made it home. Took it back to the mechanic, he "put it on the machine" and couldn't find anything wrong. He changed the temperature sensor, and it stopped stalling out in mid drive, but now it won't start at all. For the past week or so, whenever I try to start it, it just churns and churns, but won't turn over, not even with a jump.
My car won't start now. Clearly there's something wrong with it. But the mechanic says he doesn't know what's wrong (WTF?).
So the car will crank over but not fire?
Do you have a good spark on the plugs? (Check with a spare spark plug)
Do you have fuel being injected, check by cranking for a while and have some one smelling the exhaust for unburnt petrol fumes?
Are the injectors firing at all? Check with a mechanics stethoscope or by putting a screw driver tip on an injector body and the handle to your ear whilst the engine is cranked over.
Is the fuel pump running? You hear it start and run for two seconds then stop again when turning the ket from position one to two.
I just bought a 95 540i and am looking for the kinds of problems people have had and what they did to fix.
Would you ... what was the final solution?
FYI. My wife's Chrysler did the same exact thing - just die. It was the pickup for the ignition - telling the ignition where in the 360 degree the engine was so that it knew when to fire a plug. $80 part, about $100 labor.
The AutoGuide.com network consists of the largest network of enthusiast-owned enthusiast-operated automotive communities.
AutoGuide.com provides the latest car reviews, auto show coverage, new car prices, and automotive news. The AutoGuide network operates more than 100 automotive forums where our users consult peers for shopping information and advice, and share opinions as a community.