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PAC RP4.2-BM21 Radio Replacement Interface with SWC for Select BMW Vehicles

PAC RP4.2-BM21 Radio Replacement Interface with SWC for Select BMW Vehicles

Regular price $129.99 USD
Regular price Sale price $129.99 USD
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PAC RP4.2-BM21

Radio Replacement Interface with built-in Steering Wheel Control Retention for Select BMW Vehicles

Product Features:

  • Retains OEM steering wheel control functions (pre-programmed)
  • Data controlled 10 Amp accessory output
  • Provides vehicle speed signal (VSS), illumination, reverse and parking brake
  • Removes SOS error light from cluster after factory radio is removed
  • Data controlled outputs for connecting an aftermarket navigation radio
  • Single programmable 12v output
  • Easily configurable using a PC application
  • Highly visible tricolor LEDs to keep the user informed of the module’s status.
  • Retains factory amplifier (Non-Fiber-Optic)
  • Retains i-Drive control. Operates some features of the aftermarket radio (tuning, etc.)
  • Retains rear park assist and front collision detection
  • Direct USB updatable. PAC-UP NOT Required.
  • Also not compatible with the following:
  • Does not retain amplifiers equipped with a Fiber-Optic input
  • 1 Series equipped with navigation is not compatible
  • 2006 3 Series coupe is not compatible
Compatible Models


  • 2011 - 2014 1 Series
  • 2006 - 2015 3 Series/M3
  • 2010 - 2014 5 Series/M5
  • 2011 - 2014 6 Series
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