Milltek ValveSonic + Exhaust BMW 4 Series F82/83 M4 Coupe/Convertible and M4 Competition Coupe (Non-OPF equipped models only) 14-18
This product is an active valve control system for BMW 4 Series F82/83 M4 Coupe/Convertible and M4 Competition Coupe (non-OPF equipped models), allowing control of exhaust sound and volume via smartphone app.
- The description claims the system supports both factory valves and upgrades from Milltek Sport.
- The description claims full CAN BUS integration with built-in safety controls.
Variants (1)
- Default Title — 394.86 GBP — In stock
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