4.8isX5, please let me know the website. I may be interested. I had my ecu remapped but like everyone with power, I want more and I wonder if this flash will do it?
apparently my 4.4 is more powerful than a 4.8iS based on 93 octane. I had the option for a 94+ octane version but only 1 place sells that fuel around here and its Husky which uses Ethanol blend. I will not run that.

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S