BMW 1-7 Series Carbon Fiber Key Cover | Palenon Performance atlas The JB4 is a full

The JB4 is a full plug and play device that installs and removes in minutes at home without special tools and unlike flash maps that permanently write over your DME with the JB4

*Ethanol Sensors don't actually read the ethanol content

Faster turbo spool for instant throttle response

more aggressive turbo sound that enhances your driving experience

BMW 1-7 Series Carbon Fiber Key Cover | Palenon Performance atlas The JB4 is a fullExperience the ultimate combination of strength, style, and weightlessness with our carbon fiber key fob case. The strong and lightweight material provides durability without adding extra weight, while the sleek carbon fiber design adds a touch of sportiness to your key fob. Elevate your ownership experience with our premium carbon fiber case. Highlights Light Weight Designed to look sleek and sporty Fitment X3, X4 2020+ Why Us At Palenon Performance,