The BMW N20 engine is a potent powerplant. Through rigorous testing, on both the street and dyno, the Weistec N20 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.

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.

• Eliminated Top Speed Limiter
  
• Improved Throttle Response
  
• Optimized Fuel, Spark, and Boost
  
• Significant Horsepower and Torque Gains
  
• *Power gains vary based on model, modifications, fuel, and running conditions.

Specifications

(W.1 Stage 1 (Stock Vehicle))

• WEISTEC HORSEPOWER 302
  
• WEISTEC TORQUE 325
  
• MANUFACTURER WEISTEC
  
• STREET LEGAL IN ALL THE US STATES NO
  
• ENGINE FAMILY N20
  
• STOCK HORSEPOWER 240
  
• STOCK TORQUE 260
  

(W.2 Stage 2 (Race Exhaust Fitted))

• WEISTEC HORSEPOWER 330
  
• WEISTEC TORQUE 350
  
• MANUFACTURER WEISTEC
  
• STREET LEGAL IN ALL THE US STATES NO
  
• ENGINE FAMILY N20
  
• STOCK HORSEPOWER 240
  
• STOCK TORQUE 260