BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - PLEASE HELP! Car is not idling properly after MHD install.

talmadge · 06-08-2019, 07:11 AM

I had a similar problem. Everything was fine with stage 1 until I added burble option. My "rough idle" was two cylinders misfiring. I replaced all the plugs and coils. Everything is fine again but I'm staying away from the burble option.

06-08-2019, 07:11 AM	#6
talmadge Enlisted Member 6 Rep 30 Posts Drives: M3 E93 Join Date: May 2019 Location: Charlotte iTrader: (0)	I had a similar problem. Everything was fine with stage 1 until I added burble option. My "rough idle" was two cylinders misfiring. I replaced all the plugs and coils. Everything is fine again but I'm staying away from the burble option.
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