View Single Post
      07-04-2020, 07:03 AM   #3
Assassin
First Lieutenant
142
Rep
341
Posts

Drives: M340d MHT xDrive
Join Date: Dec 2018
Location: Scotland

iTrader: (0)

Could well be a dodgy main / egr thermostat causing engine to run too cool. Its a well know reason for poor mpg. Check those temps.
Appreciate 0