• Gains are 60whp/80wtq on pump gas and up to 100whp/100wtq on higher octane or E85 mixtures.
  
• Improves 0-60 times and 1/4 mile times
  
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
  
• Quick Plug & Play Installation
  
• Includes the rugged JB4 billet aluminum enclosure for protection
  
• CANbus OBDII integration offering unrivaled tuning features and performance
  
• Improved performance over non-integrated chip tunes
  
• Runs as smoothly as stock, this is how your vehicle should have come from the factory
  
• Compatible with all driving modes
  
• Fuel economy unchanged during normal driving
  
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
  
• 91 octane fuel or better required for performance gains
  
• Ethanol (E85) compatible tuning maps
  
• Able to read/delete fault codes
  
• Not VIN locked and can be removed without a trace and resold down the road
  
• Made in the USA
  
• Free USA Shipping
  
• 5 year warranty

• BMW M3 S58 G80 M3 (2021+)
• BMW M3 S58 G80 M3 Competition (2021+)
• BMW M4 S58 G82 M4 (2021+)
• BMW M4 S58 G82 M4 Competition (2021+)

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 

BMS156

Manufactured by

Burger Motorsports

Warranty

5 Year BMS Repair Warranty