The ECU tune for the BMW X5M and X6M is available. The gain on this engine is 45hp. With the upgrade we can also remove the speed limiter/hesitation/flat spots, etc, etc.
While other tuner's are still struggling to finish the X6 50i, we finished the 'M' version a while ago.
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The white X6 50i behind the X5M is one of our new demo vehicles.
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