2014–2018 BMW F15 X5 xDrive 35i - N55 3.0 Turbo MEVD17 - Performance ECU DME TuningBMW N55B30 Performance ECU tuning software for BMW F15 X5 35i. Stage 1 reflash tune gains over stock software: 79WHP @ 6600RPM 83WTQ @ 3900RPM Performance tuning modifies torque limiter maps, boost levels, fuel maps, ignition timing advance maps and more. All to help safely increase HP TQ, while keeping good drive ability and factory fail safes limp protection in place. Gains may vary car to car based on conditions and state of the vehicle. We do not
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