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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)

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Old 10-20-2005, 10:32 AM   #1 (permalink)
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Exclamation '95 525i 230k, lumpy acceleration&vibration

Hello fellas, I have this anoying problem: when I'm either at idle or running through the gears, I feel a vibration in the engine. This occurs in time with the rpm's. I've elliminated the cooling fan and the other components on the face of the engine. I suspect either the crankshaft sensor or a faulty ignition coil.
The other issue is when I'm running through the gears, there is a : lumpy feeling, as if there is a restriction of some sort. This is my first Bimmer so I don't want to be discouraged from buying another when the time comes. <_< Plase assist if poss.
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Old 10-20-2005, 12:00 PM   #2 (permalink)
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As far as vibration in the engine ... are you sure you just don't need new engine mounts ? They'll usually cause shaking/vibration once they go bad.

As far as the lumpy feeling, here is the whole troubleshooting chart from the Bentley manual. If you want the other stuff out of it such as how to read Check Engine Light codes etc, email me at straightsix@gmail.com.

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Old 10-20-2005, 12:11 PM   #3 (permalink)
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Are you 100% sure that the lumpy feeling and the vibration are related? I mean - the vibration could very well be drivetrain related. Maybe you should have a look into that as well as engine mounts like mentioned above, etc.

Otherwise, it oculd be as simple as a full tune up - or something like sticking injectors, vacuum leaks, etc.

If in the rare event this car had a more serious problem, I don't possibly see how you could be skeptical of buying another BMW in the future - You got 230k miles out of it, thats well past the typical life expectancy of any car on the road. Sure, we can all keep our cars running past 230k, but at some point you have to realize the car isn't what it used to be and it's not the car's fault. lol
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Old 10-20-2005, 12:43 PM   #4 (permalink)
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You didn't just say that about life expectancy of our cars, did you ?

Well not our cars ... our cars are like tanks -- They'll never stop running.
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Old 10-21-2005, 12:16 AM   #5 (permalink)
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Just because they last that long doesnt mean thats their life expectancy...
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