E Chassis N55 BMW JB4 Tuner –
- JB4 Tuner for N55 E Chassis BMW
- Offers up to 60hp to the wheels on stock cars and up to 100hp on modified cars
- Plug & play installation harness with features like in-dash map switching, in-dash gauge displays, water/methanol support
- Does not require additional modifications or stages
- Compatible with iOS and Android devices for tuning data, map changes, and updates
- Provides power gains, improved performance times, and preloaded tuning software with up to 8 maps
- Features boost control, code reading, and real-time gauge monitoring
- Made in the USA with 5-year warranty, fuel economy remains unchanged during normal driving
– R 11000