Upgrade From Your Outdated Batch-Fire Injector Controller!
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BMW F16 X6 xDrive50i N63 4.4L Performance ECU Software / Tuning
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
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Increase of +155 Horsepower, and +150 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
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Increase of +120 Horsepower, and +130 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms