Quote:
Originally Posted by sal00
Hi everyone, newbie here.
I own a BMW 320D M Sport F30 2013 Auto with 403m wheels on, the problem I am getting is, is that I only manage to get 38mpg urban whilst driving my best. Is this correct? I have just recently changed from RF to Standard Tyres and it is now showing 38mpg otherwise it was showing 32mpg before!.
the car is upto date with its services and it is well looked after but I cant seem to figure out what could be causing it to give such a low mpg, considering people are getting 45+ in urban.
I have attached some pics of my pride and joy 
thanks
Sal |
Don't follow such a massive change in mpg simply for tyres. Did you have an alignment done at the same time?
One easy thing to check with diesel is ECT, check out the thermostat. You can do this running the oil and coolant temperatures via the hidden menu, while you drive your normal trips. See how quickly coolant warms up to ~90C and see if it stays there.