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ECU tuning

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Old 11-13-2010, 11:27 PM
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My Ride: 2004 BMW 545i 6mt, Titanium Silver, Sport Package, Winter Package
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I used the search function and did not find anything useful. What is the best ecu re-tune or performance chip for the 545i?
I found these guys in NYC, F1 Tuning that claim their mod increases 30hp. Sounds real simple. 30hp with 1 re-tune for $645. Its a really bold statement considering the bang for the buck...... I'm going to call Monday to see how legit they are.

http://newyork.craigslist.org/que/pts/2058271778.html
Old 11-13-2010, 11:29 PM
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ECU tune for a 545i will probably do 5-10 hp/tq max to the wheels.
Old 11-13-2010, 11:31 PM
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Yea but how can they claim 30hp. Sounds like a load of BS.. They claim big gains on other models too.
Old 11-13-2010, 11:33 PM
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I'm sure those numbers are to the crank and not to the wheel, but even 30hp to the crank seems a bit ambitious.

Originally Posted by Bimmerchop69
Yea but how can they claim 30hp. Sounds like a load of BS.. They claim big gains on other models too.
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