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      01-16-2012, 11:30 PM   #2
fiddy yen
First Lieutenant
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Drives: 2012 X3 35i Msport
Join Date: Dec 2010
Location: Skeetsckatchewan

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Originally Posted by croman54321 View Post
looking to buy a performance chip for my x3 from this site :

has anybody used this mapping the N55 engine fo the x3? any good? can this be traced by the dealer?

Are there other tuners out there that offer ECU mapps on this vehicle?

Have it ordered for my X3.

Did a lot of research on the tuning N55 with what's out on the market and what is potentially coming out in the future.

JB is the only product released for the F25 X3, but I would imagine that DINAN will come out with something shortly and BMW performance may too. Given the cost, increase of power, ease of install and removal and previous reviews on other N55 models, I felt that the JB tune would be a good tune. To many users, it apparently takes 45 mins to install (four sensors total) and 10 minutes after the first time to install and uninstall. Furthermore, it is completely undetectable by BMW once removed. I ordered mine with the CanScan tool just in case there were ever any hidden codes or if if Stage 2 gets released.
2008 335i 6MT - Dinan tuned stge 2
1986 325es - SOLD
2012 BMW X3 35i AW on RB Msport - JB3 @ 4.0PSi over stock, 20x9F and 20x10.5R Stance SC-5ive, H&R lowering springs. - SOLD
2006 BMW 330i - //M rep kit with custom exhaust, H&R springs, 19" VMR - SOLD