Quote:
Originally Posted by gIzzE
I think the Sabb one was from tunit??
I had 3 faulty ones for my E46 and then two faulty ones for my A3 and gave up with tuning boxes.
Also the tunit boxes threw the obc mpg reading right out, said it was up from 32mpg to 50+ but still doing the same miles per tank.
The spider box gives true mpg readings, but that might be that the E90 measures them differently?
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Saab Tuning Box wasn't from Tunit I know about these - it was some outfit in Scotland trading on Ebay just cannot remember their name.
I know what you mean about the MPG - the analogue unit on the VW was telling the OBC I was getting 54MPG - when I was actually getting 43MPG
The tuning box on the Saab was giving fairly accurate MPG readings to the OBC.
PhilR