Question about BMW Cars & Trucks
When I first started up the car this am at 20 degreesF outside I noticed the car shook a little while accelerating. If I had to stop and the car was idle the shake would come back and when I accelerate fastly it would also shake.
Posted by Anonymous on
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Posted on Jan 02, 2017
It sounds like you may have a problem feeding the fuel to your engine, I had the same problem with my 89 RS. All the 1989 model's fuel systems were recalled. I think you may need a new fuel pump. The fuel pump is located inside the gas tank in the rear of the car right under the rear axle. The fuel pump itself isn't too expensive, but with other small parts such as the electrical harness upgrade and fuel filter and the labor you should be looking somewhere in the $500 range. I hope this helps.
Posted on Jan 12, 2009
Strange, it sounds like you've got a dead spark plug, but that would be continuous, not only in the morning, the other explanation could be that the engine management is injecting too much fuel, flooding the cylinder, and wetting the spark plug, which would explain why you need to wait 5 mins for the fuel to evaporate. Try disconnecting the battery for 30 minutes to reset the EMS, if that doesn't help, get to a workshop and let them check the EMS with a computer, the electric choke may be sending the wrong signals to the EMS. Hope this helps!
Posted on Mar 10, 2009
If it had points and carb i could diagnose it but with all this computer control stuff it could be anything from a faulty sensor to a dodgy fuel pump or evan a multiplug loose .i would suggest the dealer to diagnose it sorry i cant be of much help but evan the software is encrypted and the vehicle has to be connected via the internet to stuggart
Posted on Jun 06, 2009
Sounds like you're missing on a cylinder or two. Tune it up, first. That might very well fix your problem. Tell the part store guy you need a COMPLETE tune up kit and replace everything that he gives you parts for. Not just plugs and wires, although they would be better than nothing. I'm pretty sure this will fix you up. The symptoms you're describing are classic for a tune up.
Posted on Nov 30, 2009
I have this same car with exactly the same problem. Begins shaking at 40mph and stops shaking as soon as you let off the gas, but then begins again as soon as you press on the gas and smooths out as you get over 50. And the shaking is not felt through the steering wheel. Solution: Replace the transmission mounts. There are two of them, one on each side mounted on the frame right next to the shock strut. There is also a front and rear engine mount, but I replaced the two as described and shaking is gone.
Posted on Dec 13, 2009
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