E39 Sport Problem

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ImysE30
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Post Thu Jun 24, 2010 11:43 am

Got a slight problem with a 528i Sport (99). When starting from cold it's fine but as soon as it warms up, it's hesitates and struggles, plus when driving, it's bops alot and seems down on power.

Replaced the Air Mass Sensor thingy but it's not really made a difference, if anything, slighty worse? :?

Anything else worth looking at?

Thanks for any help :)
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fowler
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Post Thu Jun 24, 2010 11:51 am

get it attached to a daignostic it will tell you all you need to know !!!!!
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ImysE30
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Post Thu Jun 24, 2010 12:18 pm

Was hoping for a quick fix, clean something up perhaps :)
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TheHeap
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Post Thu Jun 24, 2010 8:18 pm

Lambda sensor?
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ImysE30
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Post Thu Jun 24, 2010 8:21 pm

Could be. It's my mate's car, told him to get it on a diagnostic machine instead of spending money on parts :)
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B7
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Post Thu Jun 24, 2010 8:32 pm

Possible coil breaking down on one of the pots.
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ImysE30
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Post Thu Jun 24, 2010 8:36 pm

Hopefully something will pop up when it goes on the machine. Cars up for sale so trying to help him sort out this little problem :)
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town325i
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Post Thu Jun 24, 2010 8:43 pm

Tell him to get it on the computer most laces i no only charge a drink to find the faults
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