After ecu tune....
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After having a ECU retune by Eurotek Designs via Buckhead Performance Group on my 03 XJR I can finally say my car is running correctly. Just a little history on my XJR I had performance upgrade (upper & lower pulley, supercharger intercooler, air intake, low temp thermostat & ported supercharger) done by BH Performance Atlanta. After having all the upgrades done I started having problems with CEL's. I was given incorrect info by Eurotoysltd stating that you wouldn't need to flash the ECU. After listening to the incorrect info I had to replace the MAF sensor, Throttle Position Sensor, Ignition coils (all 8) and Throttle. Finally after countless weeks of research and finding someone who had I could trust to do the ECU retune I found Eurotek. Phil @Eurotek was so helpful in helping me solve my problem. Tony/Jason @BH Performance were so patient with my constant calls for info and very diligent in solving this problem that also stomped them. Now the goodies: 452hp/445lb/ft torque. Mid range power is nothing short of AMAZING. I now think the XJR is on par with the 2003 stock E55 AMG. I think my XJR will run the 1/4 mile in the low 12's which makes it pretty quick. Here is my recommendation when doing performance upgrades go with Eurotek Designs (a long track record with Jaguars) and BH Performance for The extreme stuff.
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B.I.P. (05-03-2011)
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joesoap
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
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09-10-2015 01:09 PM
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