12-28-2011, 01:36 PM | #1 |
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ESS HP bump with exhaust?
Hey guys,
I have X6M with Hamann (supersprint) rear section exhausts. I was wondering how much hp does ESS direct flash unit would add to the stock 555hp with the hamann rear section? I also had the hamann ECU upgrade which pushed it to 610hp but after each BMW service, the ecu gets reseted and the power goes to stock so i would have to send the ecu all the way back to germany each time after service to remap the ecu to 610hp. with direct flash, it seems like i can do it myself after every service. btw, i also use 98 petrol and sometimes 100 shell. Thanks |
12-31-2011, 02:11 AM | #2 |
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