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| 10-24-2011, 11:58 PM | #1 |
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Lieutenant
 
22
Rep 575
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Tuning for 740i
I'm planning on jumping on 740i and I was wondering if there were any ecu upgrades. Coming from a strong 335i, it obviously wont be enough power. I've heard ess is tuning has something, any other tuners out there ? Thanks !
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