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BMW 3-Series (E90 E92) Forum
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e90 335i surge high rpm
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| 10-18-2018, 07:20 PM | #1 |
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Enlisted Member
 
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Drives: BMW E90 335i
Join Date: Oct 2018
Location: Canberra
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e90 335i surge high rpm
Hey guys, having some problems high RPM WOT... just looking for any ideas
So high RPM sometimes (not consistent) i get about 3 to 4 surges between 5-6k rpm foot flat and it drops a 100 or so rpm. Other times it pulls perfectly. Ive replaced coils, plugs, had intakes cleaned. Brand new stock turbos, and have no idea what else it could be. Car is stock as a rock except for chargepipe, DCI and flash tune Hopefully not injectors but open to any ideas cheers. |
| 10-18-2018, 07:43 PM | #2 |
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Drives: Ferrari F430, E92 M3, 335xi
Join Date: Apr 2014
Location: Newton, MA
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Any codes ?
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| 10-18-2018, 08:23 PM | #3 |
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Enlisted Member
13
Rep 33
Posts
Drives: BMW E90 335i
Join Date: Oct 2018
Location: Canberra
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not a single code... which is the most frustrating thing
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| 10-18-2018, 11:16 PM | #4 |
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Banned
298
Rep 650
Posts
Drives: Ferrari F430, E92 M3, 335xi
Join Date: Apr 2014
Location: Newton, MA
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I would start with throttle body and crank angle sensor.
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| 10-19-2018, 03:28 PM | #5 |
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Enlisted Member
13
Rep 33
Posts
Drives: BMW E90 335i
Join Date: Oct 2018
Location: Canberra
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Thanks, I'll look into it, hopefully nothing too serious. Just annoying when it happens
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