Or you want a Speed limit defeat, CPS offsetting, finer AFR tuning for just $50.
There are a few guys this side of the pond running Upgraded turbos, and others still running the 15Ohm mod..
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Car: e91 330d with Viezu map
Gone but not forgotten: 2010 Jaguar XFR (Cat-back exhaust, pulley, intake mods and map), Highly Modified E90 335i LCI M Sport Manual (circa 480BHP/500lb ft)
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