Bmw 128i stutter in idle
Last edited by Jrubs8; 07-31-2018 at 03:34 PM.
What scan tool did you use? Does the 'stutter' always happen or usually when you start the car for the first time only? I had a similar issue with my 135i and needed new plugs and coils.
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I was using an Ancel 410 enhanced OBDii scanner. The stutter happens whether the engine is cold or up to temp. Did your 135i throw a check engine light? And how many miles were you at when you had the issue ? I was thinking it may be spark plugs but I was expecting to get more life than 46,000 miles from the original sparks.
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If it's stuttering due to emmissions/engine issues the OBD2 codes will display.
If stutter is due to transmission issues, a generic OBD2 scan tool cannot communicate with the BMW trans module.
There can be no transmission codes displayed, due to lack of communication with the EGS.
From their website:Ancel AD410 FAQs:Q1:Can you see transmission, abs, and srs live data with this scanner?
A1:Main function of this scanner is detecting engine system, read and clear error codes. It can read live data, but it can not read transmission, abs, and srs. Any questions can contact us
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