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 - Radiator fan going full speed + poor power, could it be a bad battery problem ?

Boosted_135 · 12-03-2018, 01:21 AM

Oddly enough, i flashed to MHD v8 beta map and always got a coolant temp sensor code. Fan would run full speed.

Flashed back to v7 map and havent had any issues.

12-03-2018, 01:21 AM	#7
Boosted_135 Enlisted Member 8 Rep 44 Posts Drives: BMW 135i Join Date: Feb 2017 Location: canada iTrader: (0)	Oddly enough, i flashed to MHD v8 beta map and always got a coolant temp sensor code. Fan would run full speed. Flashed back to v7 map and havent had any issues.
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