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Old 09-26-2011, 03:18 PM
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Emission Emission is offline
Automotive Monomaniac
Location: North of Los Angeles, CA
 
Join Date: Dec 2001
Posts: 10,690
Mein Auto: Schnelle Autos
Quote:
Originally Posted by OneFastX5 View Post
I just ordered and installed the JBD chip last week set at default settings.
Yes the engine feels a little stronger than before. The notice that came with it says "off road use only" so you may want to take it of for service and smog check if there is (do they smog diesels now?).
Not sure about the mileage yet, I only drove a quarter tank since I installed it. Do others see better, same or worse mileage ?
Since the tune only affects the boost peak, mileage should be nearly identical except for those seconds you hold it full throttle.

For some reason, my mileage increased on my 335i with the tune (maybe the engine broke in?).

- Mike
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'13 Audi Q5 2.0T Quattro 8AT
'15 Volkswagen Golf TDI 6MT
'86 Porsche 911 Turbo 4MT


Gone, but never forgotten... my E70 X5 35d, E90 335i, E46 330i, E36 328i, E70 X5 3.0si, E53 X5 3.0i.
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