BMW 520i 530e B48 5 Series 3 Channel Pro Petrol Turbo Tuning Box Remapping Chip
ADVANCED 3 CHANNEL TURBO PETROL TUNING BOX. Once fitted, our tuning modules aim to give you more usable power and much more available torque. As a by-product of this, your turbo lag will be greatly reduced making the car much nicer to drive.