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ENGINEERING THE FUTURE OF PERFORMANCE ™
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N63 ECU Tune
Purchase N63 ECU Tune
  • SKU: N63-ECU-Tune

    N63 ECU Tune

  • Advertised gains are estimates of HP and Torque “at the engine” calculated from gains as measured on a Dynojet Dynamometer in ideal conditions and typically show the largest possible change.  Actual gains are dependent on the following: Learn More

    Model – Manufacturers use the same engine in multiple model vehicles and often times they are in a different state of tune, for example: 2008 C63 and a 2008 CLK Black Series.  Both have the same engine, but the C63 has 451hp while the CLK63 has 500hp.  Naturally the C63 will show more gains as it starts at a lower level.

    Model Year – Similar to above, as time progresses, Manufacturers tend to slightly increase power output via software from one year to the next or offer “Performance Packages” with increased power.  The engines remain largely unaltered and as a result, final tuned output remains the same, while the gains are lower as the starting point is now higher.

    Fuel – Fuel quality is HIGHLY important with performance vehicles.  Low quality and/or low octane fuel will greatly impact engine output and potentially even engine health.  Top tier brand premium fuels should always be used to achieve the best results possible.

    Drivetrain – All wheel drive has higher drivetrain losses than rear wheel drive.  This results in lower numbers when testing on a chassis dyno.  Wheel/tire size and weight will also impact chassis dyno results

    Weather/Conditions – Temperature, humidity, altitude, and air density all impact engine performance.  Heat, high humidity, and thin air will all work towards reducing engine output

    Engine Health – Higher miles tends to result in increased build up and lower compression which can and will impact engine output.  Properly maintained engines will have better performance than abused or neglected engines.

    Supporting modifications – The highest power levels require supporting modifications.  Depending on the engine, this could mean forged internals, built transmission, upgraded fuel system, 110+ octane race fuel, etc.

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  • $1,199.99

  • Prop 65 warning
    Warning

    This product can expose you to chemicals including carbon black, silica - crystalline, formaldehyde, and lead which are known to the State of California to cause cancer, and lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Weistec Horsepower 570
Weistec Torque 630
Manufacturer Weistec
Street legal in all the US States No
Engine Family N63
Stock Horsepower 450
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year make model trim engine
2017 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2016 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2015 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2014 BMW X6 xDrive50i 8AT (F16) Twin Turbo 4.4L V8 (N63)
2017 BMW X5 xDrive50i 8AT (F15) Twin Turbo 4.4L V8 (N63)
2016 BMW X5 xDrive50i 8AT (F15) Twin Turbo 4.4L V8 (N63)
See more

All 2020 models require bench flashing at this time.

ECU Tuning Process: How do I get my ECU tuned?

 The BMW N63 engine is a potent powerplant.  Through rigorous testing, on both the street and dyno, the Weistec N63 ECU Upgrade reliably extracts massive gains in the mid range of the powerband as well as substantial gains in the top end making it a top performer in all driving situations

 

Weistec N63 ECU Power 

What does all this mean to you?  More power, sharper throttle response, and a complete focus on the driver makes this the perfect addition to your BMW for a much more enjoyable experience for you. 

*Power gains vary based on model and modifications.

ECU Tuning Process: How do I get my ECU tuned?

Key Features:

  • Eliminated Top Speed Limiter

  • Improved Throttle Response

  • Optimized Fuel, Spark, and Boost

  • Signifigant wheel horsepower and torque Peak Gains with Air Filters

*Power gains vary based on model, modifications, fuel, and running conditions.