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      10-28-2008, 08:51 AM   #4
Imran@Evolve
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Drives: E60 M5, E92 M3, E46 M3
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Quote:
Originally Posted by 335DJim View Post
If you take a standard 335D and put it on the rollers, then map it and repeat the process will that give you the new BHP figures straight away or do you have to wait for a number of miles for the car to readjust to the new map?

My remapper is claiming a rolling road before and after test is academic based on the above reasoning? - I thought only petrol cars behaved like this?

Cheers,

Jim
The power gains will be there immediately on a derv.