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BMW 530 i 2005 jerking

Old 10-01-2015, 09:05 AM
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My Ride: 530i e61
Default BMW 530 i 2005 jerking

I have the following problem: From time to time (short jerks) when accelerating from 1500 -2000 rpm. Only with a warm engine.
Both in the D and on manually (I thought at first that the automatic transmission hesitated in D)
I once had a broken coil (jerking at high rpm and a message misfire)
Up to now I have seen no error message. Also via the OBD can find no message.
I already replaced the camshaft sensors, no change.
The MAF already replaced without result.
I've checked several readings:

Short term trim, bank 1: ranges from +6 to -10, -10 when accelerating, bank 2 idem.
Long term trim, banking one: always in the minus range of - 6 to -3.5, bank two comparable.
Apparently the mixture without correction isw to rich (excessive fuel pressure ??) I see on various forums that deviations from the Long term trim up to 20% is not really a problem). While stuttering (takes only few seconds) I do not see any weird values.
what could be the cause

Last edited by kers; 10-01-2015 at 09:06 AM. Reason: mistake in typing
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Old 10-06-2015, 01:05 PM
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Join Date: Jun 2012
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Posts: 2
My Ride: 530i e61
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problem solved, after changing the spark plugs.
Some times thye solution is easy.
kers is offline  
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