BMW F90 M5 remote remap, stage 1 or stage 2, +70hp, OBD flash

Remote ECU remap for the BMW F90 M5 (S63B44T4 engine). Delivers +70hp on stock hardware with sharper throttle response and removal of the 155mph limiter.

• Flash from home in minutes using your own OBD-to-Ethernet cable
• Fully reversible - stock map restored anytime, dealer ID and programming date preserved
• Stage 1 for stock cars; Stage 2 maps available if you’ve added common bolt-ons
• Includes free ECU unlock service for June 2020+ F90 M5 models

No workshop visit needed. No fitting enquiries - this is a software-only service.