Car Jerks Slightly.. - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 03-16-2005, 08:29 AM
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I have noticed that since I installed the TMS chip my car jerks either when I let off the gas or when I try to accelerate slowly (IE- in traffic). Almost like a slight hesitation.. When I am accelerating normally or in full throttle the car pulls fine, nice and smooth. So are the aforementioned symptoms just normal characteristics that go along with having the chip??

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#2 (permalink) Old 03-16-2005, 10:04 AM
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I don't have any of that and I have the TMS conforti chip too. I am not sure what could be the problem. It could be that your fuel injectors need to be cleaned. I would put some injector cleaner in the next time you fill up with gas just to be sure. I switched to higher octane a couple of tanks before the install and used fuel injector cleaner before putting in the chip also. So far everything works perfectly and the more I drive the car the more difference I see before/after the chip.

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#3 (permalink) Old 03-16-2005, 10:16 AM
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yes, that is definitly your fuel injectors, all you need to do is run some fuel injector cleaner in with your next fillup and it should helpout alot, you might even want to run it 2 or 3 times if it has never been cleaned before, but it is recommended that you do not do them all in a row. Fillup without the cleaner every other time and you should be fine. I ran some through my car not too long ago, and i did 2 fillups (skipping one fillup between). It helped mine out.
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#4 (permalink) Old 03-16-2005, 10:40 AM
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True, i will try that. Thanks!

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#5 (permalink) Old 03-16-2005, 02:15 PM
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If Injector Cleaner (which I also use) fails to fix this, check your sensors out...
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#6 (permalink) Old 03-16-2005, 03:04 PM
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Which particular sensors? Oh and today I put in a nice fresh and so clean clean MANN fuel filter and after work im throwing in some chevron techron..

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