
Easily replace the factory radio in your BMW vehicle with this all-in-one Radio Replacement and Steering Wheel Control Interface by PAC. The RP4.2-BM21 interface comes pre-loaded with amplifier retention and steering wheel control software, navigation-based output signals and more to help simplify aftermarket radio installation while retaining your vehicle’s factory features. This radio replacement and steering wheel control interface is easily configurable using a PC application and is direct USB updatable.
Q: What types of radios is this device designed for use with?
A: This device is designed for use with CAN-bus radios.
Q: Does this interface retain the factory amplified audio system?
A: This interface preserves your vehicle's factory amplified audio system for quality sound in vehicles equipped with Non-Fiber Optic amplifiers.
Q: What functions are retained when using this interface?
A: This device retains pre-programmed steering wheel controls, factory amplifier, i-Drive controls, and warning chimes. It also provides data driven accessory power, vehicle speed signal (VSS), illumination, reverse trigger, and parking brake output.
Q: How is this Radio Replacement and Steering Wheel Control Interface configured?
A: This interface is easily configurable using a PC application and is direct USB updatable.
Q: What additional outputs does this interface provide?
A: This device provides data-controlled accessory and navigation outputs including data driven accessory power, vehicle speed signal (VSS), illumination, reverse trigger and parking brake.
A: This harness is only compatible with BMW 3 Series Non-Fiber Optic amplifiers.
Q: Will this work in a 2000 BMW 328i?
A: This harness is for BMW's 2006+ and would not work in a 2000 BMW 328i.
Q: Does this harness work for a 2004 530i?
A: undefined
Customers recognize the affordability of the Radio Replacement and Steering Wheel Control Interface for Select BMW Vehicles. Positive feedback frequently highlights its excellent value for the price. Many reviews praise it as a top-quality product. No significant drawbacks were reported by customers.
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Easily replace the factory radio in your BMW vehicle with this all-in-one Radio Replacement and Steering Wheel Control Interface by PAC. The RP4.2-BM21 interface comes pre-loaded with amplifier retention and steering wheel control software, navigation-based output signals and more to help simplify aftermarket radio installation while retaining your vehicle’s factory features. This radio replacement and steering wheel control interface is easily configurable using a PC application and is direct USB updatable.

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| Pros for PAC - Radio Replacement and Steering Wheel Control Interface for Select BMW Vehicles - Black/Blue | |||
|---|---|---|---|
| Price | There were no pros for this product— | Ease of use, Installation, Product Quality, Fit | There were no pros for this product— |
| Cons for PAC - Radio Replacement and Steering Wheel Control Interface for Select BMW Vehicles - Black/Blue | |||
| There were no cons for this product— | There were no cons for this product— | Compatibility | There were no cons for this product— |