Quote:
Originally Posted by Bon Bon  325/525tds can be chipped to about 185bhp/300lbft |
as a side note, i gots a 525tds for towing the m3 about - do we reckon chipping it will absolutely ruin the fuel economy or make for a smoother, and hence more fuel efficient towing experience?
I only gets about 22mpg towing at the moment so anything is a bonus...