e90 shark when cold start, but normal when the temperature is high.

SiwenX · 01-25-2020, 11:32 PM

Hi guys,
My 2009 E90 sharks heavily in this winter when the temperature is low ( < 5℃); but it will be fine (become normal) when the temperature is high ( > 10℃) or warm up engine for 15 minutes. So which part has issues and is it easy to be solve?

relative4 · 01-26-2020, 12:11 AM

Pull codes & fuel trims.

01-25-2020, 11:32 PM	#1
SiwenX Registered 0 Rep 1 Posts Drives: BMW E90 Join Date: Jan 2020 Location: 46202 iTrader: (0)	e90 shark when cold start, but normal when the temperature is high. Hi guys, My 2009 E90 sharks heavily in this winter when the temperature is low ( < 5℃); but it will be fine (become normal) when the temperature is high ( > 10℃) or warm up engine for 15 minutes. So which part has issues and is it easy to be solve?
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01-26-2020, 12:11 AM	#2
relative4 Major 611 Rep 1,272 Posts Drives: '08 335xi E90 MT stage 1+ Join Date: Feb 2019 Location: Denver, CO iTrader: (0)	Pull codes & fuel trims.
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