Quote:
Originally Posted by bandite53
Upgraded rail chip to rail and boost type.
Obviously a diesel X5.
Already had a rail chip on it .
Bought a little more expensive one from the UK.
Does boost aswell as rail.
Turned the X5 into a monster.
In love all over again.
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I thought all the chips for the E53 diesel were only for rail as they don't have electronic boost sensing or control?