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      06-04-2020, 07:32 PM   #1
brandonfrancom2
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Drives: m240i
Join Date: Mar 2020
Location: AZ

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M240i B58 Rough Idle ONLY with A/c engaged

I get stutter and shake with Air Conditioning on. Idle without A/C on is totally stable/flawless.

Dealer claims it's normal. I don't think that's accurate. Anyone else with a B58 experience shitty idle/vibration with A/C on. Just ordered new spark plugs to see if that helps, but I only have 17k on them (original plugs, car is almost brand new. I am tuned but the car idled like shit even on the stock tune before and power gains.

The stutter isn't AWFUL, but, it's noticeable and quite honestly unacceptable on a vehicle of this price.
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