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2Addicts | BMW 2-Series forum Technical Topics B58 (M240i) Engine, Transmission, Exhaust, Tuning B58 Help- ricking back and forth at speed.

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      10-07-2021, 08:10 PM   #1
figuec56
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B58 Help- ricking back and forth at speed.

I have 2017 M240i convertible and I just hit 60k miles. I have loved the car. Currently though, when driving between 40-45 mph in comfort mode and RPM are just over a 1000, the car begins rocking back and forth. It will stop if I change gears or accelerate. Also if I'm in sports mode it does not occur as RPM are usually 1500plus. This also coincides with a 4-5 MPG drop and stumbling when driving slow and cold. (Exiting parking lot). Warranty just ended so I'm a little worried to ask BMW dig into it. Any thought on what might be causing this? BMW replaced the spark plugs in March (~53k miles)
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      10-13-2021, 10:53 PM   #2
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what car do u have ?? snaptube vidmate

Last edited by imarockstar; 10-15-2021 at 05:20 PM..
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