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Lackluster performance
Hi everyone,
I have a 2009 335i cabrio which I purchased new about three months ago.
I started with the DCI and JB3 PnP and when that didn't give me the power I wanted I went ahead and put a HPF intercooler in and downpipes from BMS I think it was.
Anyhow, I have tried every map on the JB3 and the difference is not considerably noticeable. When I go WOT it seems like something is holding it back and I'm not sure what it could be.
I have the Diagnostic cable, but haven't spent much time investigating it's features other than to check for codes after the installs.
Any suggestions?
Tony
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