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      07-21-2010, 06:58 PM   #33
Vaheed1
Captain
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Drives: E90 330d M Sport
Join Date: Mar 2010
Location: Newcastle Upon Tyne


Posts: 983
iTrader: (0)

Quote:
Originally Posted by Ti Rich View Post
You really need to manually check the MPG as tuning boxes effect the way the MPG is calculated by the ECU. Chances are the MPG will be worse when ypou manually calculate it.
I'm definitely using less fuel. The week before I deliberated on which choice to go for, I got the trip computer to 0 miles before sticking 40 in. That week, the car returned 39.9mpg. I did the same last week - yet I still had 38miles remaining and 44.1 mpg.

Last edited by Vaheed1; 07-22-2010 at 03:34 PM.