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)
Five days ago we had torrential rains and as I drove over a very large and pretty deep accumulation of water my car stopped right in the water. Luckly some kids pushed me out of the water and no water came into the car. After a few minutes the car would not start and so I had it towed to my home. Some friends suggested that if I let it dry it should start. However since the problem happened we have not had a dry day yet. Finally today I moved the car in the garage where hopefully it can dry up. Right now the engine turns but it will not start. All the lights and controls in the car light up and everything seems to function except for the car not starting.
Any ideas/suggestions as to what may be the problem? tHas anyone had a similar experience? The car is a 530 2001.
If the car stopped - water got into the engine and locked it temporarily.
Usually this is one of the worse things that can happen to an engine and often requires engine replacement.
I can't tell how much water got in there, but if it was a good amount, I'd drain all of the oil and replace with fresh, pull the plugs, dry them off and crank with the plugs out to get anything that is in there out, etc.
My feeling, though - is that it still won't fire up - I can't say for sure, but I think it's something bigger than that.
While these cars are not designed to be off road machines, most modern cars are able to survive a water puddle. As you found out, usually, you just need to wait for the water to clear out and you're good to go. But, as sporky said, it can sometimes be very, very bad. Glad yours didn't fall into that category.
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