Mr12Volt High-End BMW NBT (ID4) MOST Bus CarPlay & AA Interface with OEM Microphone Support - BMW F87 M2 | F8X M3 | M4 | F2X 1 | 2 Series | F3X 3 | 4 Series | F1X 5 | 6 Series
NEW AND UPDATED
Wireless Apple CarPlay & Android Auto for BMW NBT ID4 System
Model: P3000-BMID
Direct MOST Fiber Integration – No AUX
Upgrade your factory BMW NBT ID4 infotainment system with MR12volt, adding Wireless Apple CarPlay and Android Auto while preserving full OEM functionality.
Designed for vehicles equipped with BMW NBT ID4 system and MOST fiber optic audio network, this interface integrates directly with the factory display, iDrive controller, and amplifier through the digital MOST system.
✔ Full factory sound quality
✔ Seamless OEM integration
Compatible Vehicles
Compatible with BMW vehicles equipped with NBT ID4 system
• BMW 1 Series (F20 / F21) — 2012–2016
• BMW 2 Series (F22 / F23) — 2014–2016
• BMW 3 Series (F30 / F31 / F34) — 2012–2016
• BMW 4 Series (F32 / F33 / F36) — 2013–2016
• BMW 5 Series (F10 / F11 / F07) — 2013–2016
• BMW 6 Series (F12 / F13 / F06) — 2013–2016
• BMW 7 Series (F01 / F02) — 2013–2015
• BMW X1 (E84) — 2013–2015 (NBT system)
• BMW X3 (F25) — 2013–2016
• BMW X4 (F26) — 2014–2016
• BMW X5 (F15) — 2013–2016
• BMW X6 (F16) — 2014–2016
• Compatible with 6.5″, 8.8″ and 10.25″ displays
• For 6.5″ display: compatible only with Alpine head unit
⚠ Important Installation Notes
• TV coding required if no factory TV module is present
• If a factory TV module is present, it must be bypassed
(Optical loop connector is NOT included in the package)
• Professional installation recommended
Direct Digital MOST Integration
Unlike AUX-based CarPlay interfaces that rely on analog audio input, MR12volt integrates directly through the MOST fiber optic network, maintaining the integrity of the factory digital audio path.
AUX-based CarPlay systems
• Use analog signal transmission
• May reduce sound clarity
• Can introduce signal delay
MR12volt MOST integration
✔ No AUX required
✔ Direct digital audio transmission
✔ No analog conversion
✔ Maintains factory sound quality
✔ Compatible with BMW Base, HiFi and Harman Kardon sound systems
✔ Works with factory amplifier
Designed to deliver true OEM-level audio performance.
Control Method
MR12volt is accessed through the factory iDrive menu (TV source).
• Select TV in the media menu to launch the MR12volt system
• MR12volt simulates the factory TV module
• System is fully controlled via the iDrive controller
Apple CarPlay & Android Auto Connectivity
• Wireless Apple CarPlay & Android Auto
• Wired Apple CarPlay & Android Auto
• Wireless MirrorLink (Android – CarLetter required)
Use navigation, Spotify, Apple Music, Waze, Google Maps and calls directly on your factory display.
Camera & Multimedia Support
• Reverse camera input
• Front camera input
• Left / Right blind spot camera input
• Supports aftermarket cameras up to AHD 1080P
• USB video and music playback
OEM Feature Retention
MR12volt retains the following factory features:
• OEM microphone
• Factory parking sensors display
• Steering wheel controls
• Factory display
Switch seamlessly between OEM system and CarPlay / Android Auto.
Advanced Audio Control
• 15-band DSP equalizer
• Independent navigation / media / mic volume
• Apple Lossless supported
• Enhanced Bluetooth call clarity
• Bluetooth audio streaming
Optimized for BMW factory audio systems.
Frequently Asked Questions
Does this require AUX?
No. Direct MOST fiber optic integration.
Does it work with Harman Kardon system?
Yes.
Does it retain iDrive control?
Yes.
Does it replace the screen?
No.
Does it need coding?
Yes — TV coding may be required depending on vehicle configuration.
What back camera is recommended?
Supports any aftermarket camera up to AHD 1080P.
Firmware & Long-Term Support
• USB firmware upgrade supported
• Ongoing compatibility updates