Expert Service 1-877-289-7664 [Hours]


Did you know that we price match?

It is important that you always get the best price. Call us at 1-877-289-7664 for our best price on this item or check out our coupons page for great deals!

Crux BMW Radio Replacement Module (SWRBM-57K)

Install an Aftermarket Radio in select 1991-2006 BMW Vehicles with I/K-Line Bus and Retain Steering Wheel Controls

In Stock. Only 1 Left!

List price $79.99

You Save: $24.47 (30.59%)

Thanks , You Pay:


with warranty

+ FREE Shipping in US 48

Order within 45 hrs 34 mins to ship 10/24

Arrives by Monday, Oct. 31 to zip 20147

Add an Extended Warranty

SquareTrade Product Warranty
Fast, Free Shipping

Within the US 48

60-Day Money-Back

Hassle Free Returns

Low Price Guarantee

Seen it for less? Click here

365-Day Coverage

Warranty assistance for a year

Will this fit my ride?

Check Vehicle

Item Added to Cart

Crux BMW Radio Replacement Module (SWRBM-57K)

Install an Aftermarket Radio in select 1991-2006 BMW Vehicles with I/K-Line Bus and Retain Steering Wheel Controls


Keep Shopping

Get Added Peace of Mind with SquareTrade

Why SquareTrade?

  • The #1-Rated Protection Plan
  • 5-Day Service Guarantee & Free Shipping
  • Protection from Normal, Everyday Use
You have added a warranty
Add Warranty
3 years of protection

Get FAST answers from customers ASK a Question See questions answers

Crux Store

General Features:

  • Aftermarket Car Stereo Installation Interface
  • For select 1991-2006 BMW Vehicles with I/K-Line Bus
  • Retains select factory features while functioning with an aftermarket radio
  • Pre-programmed to retain Steering Wheel Controls
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles

  • BMW
    • 1994 – 2006 Compact (E46) Business Radio
    • 1991 – 1998 3 Series (E36) Business Radio
    • 1998 – 2005 3 Series (E46) Business, Navigation
    • 1996 – 2000 5 Series (E39) Business Radio & Navigation
    • 1994 – 2001 7 Series (E38) Business Radio & Navigation
    • 2004 – 2006 X3 Navigation
    • 2001 – 2005 X5 4:3 Navigation
    • 2001 – 2002 Z3 Business Radio
    • 1996 – 2002 Z3 Business Radio
    • 1999 – 2002 M Roadster Business Radio
    • 1999 – 2002 M Coupe Business Radio
    • 2001 – 2005 Mini Business Radio

    Check out the SWRBM-57K Owner's Manual

Harness Features

Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Install Aftermarket Car Stereo & Retain Steering Wheel Controls
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
BMW 3 Series
BMW 5 Series
BMW 7 Series

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

Hide answersShow all answers | Sort by
No questions have been asked about this item. Be the first!

Product Summary


Model Number






Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Crux BMW Radio Replacement Module (SWRBM-57K)