BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > RPMs jumping then dropping on acceleration

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      11-05-2012, 10:39 PM   #1
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Drives: '07 E92 328xi 6MT
Join Date: Sep 2010
Location: NJ

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RPMs jumping then dropping on acceleration

So my engine has been acting funny. If I'm in 4th at 2k rpm and I step on it it jumps to 2.5k, drops back to 2k and then proceeds on as normal. I am able to reproduce this and it happens in 5th too. I didn't test 6th yet. The only thing that has changed recently was that for the first time since owning it (2.5 years) I filled the tank with Exxon 93 instead of Shell V-Power. I had to use an Exxon station in PA since gas in NJ is scarce. I still don't have power

OK so it actually happens at any gear and just about any RPM level. I talked to my shop ( Getting my Bilsteins installed today ) and they said it sounds like my clutch, so they'll take a look at it. Odd cause it only has 84K on it and I don't ride the clutch, not sure about the first owner though.
2007 328xi E92 6MT Jet Black/Coral Red | NJ BMW CCA | Tracks: NJMP

Last edited by ccraig13; 11-06-2012 at 09:57 AM.
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