BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      08-20-2019, 03:00 PM   #1
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Drives: M3 E93
Join Date: May 2019
Location: Charlotte

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N54 Starting Issues

I have a 2010 135i with 76,000 miles. Intermittently it has been hard to start. What I mean is hit the starter button and it takes a few seconds of turning over before it starts. Unfortunately this has been increasingly the case. What might be causing this? Fuel pump or maybe injectors? Also sometimes after the first start of the day I hear a quick rattle sound. Donít hear it when I start after the car is warm.
Any ideas?
Other than this the car runs great!
FYI I replaced the plugs and coils along with the charge pipe. Running MHD stage 1.
Appreciate 0
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