Sunday, September 18, 2011

Why does my bmw 325ci start rough in the mornings?

I HAVE A 2003 BMW 325CI AND IN THE MORNINGS IT STARTS VERY ROUGH. WHAT COULD IT BE FROM?|||If it runs rough only after sitting for a while- the current common issue is leaking fuel injectors. You can try injector cleaner- but usually they require replacement. Other possible issues are- cracked/torn intake air boot, failing ignition coils, or a vacuum leak from the crankcase vent valve. (Check the drain hose to the dipstick tube under the intake) or a sticking idle control valve above the throttle body. (Clean out with carb cleaner)|||check your disa, could be dirty. check your icv (idle control valve), could also be dirty.


and with the dirty injectors try using seafoam deep creep. i've heard great things about this product.

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