BMW E F G chassis & X Series throttle controller RSBD401/RSBD402

Plug-and-play throttle response tuner for BMW E, F and G chassis (2002+), plus X1/X3/X4/X5/X6 and MINI Cooper/One/Countryman. No coding, no cutting, no permanence.

• 18-step adjustment across SPORT + RACE modes - up to 60% faster pedal response
• Valet mode and PIN-protected Pedal Lock for security
• TÜV-certified and EC type approved - fully road legal
• Eliminates drive-by-wire lag: sharper low-end, crisper mid-range, more confident overtakes