SKU:CTSBM003.2
Connects2 CTSBM004.2 Steering Wheel Control Interface | 1994-2006 BMW & MINI (Non-Amplified, Round Pin Plug)
Connects2 CTSBM004.2 Steering Wheel Control Interface | 1994-2006 BMW & MINI (Non-Amplified, Round Pin Plug)
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Description
Description
Retain essential steering wheel controls and vehicle information displays when upgrading the factory audio system in a wide range of classic BMW and early MINI models. This dedicated plug-and-play interface is engineered for vehicles equipped with the 17-pin round "Business" radio plug and a non-amplified (standard) factory audio system, covering models from 1994 through 2006.
This harness ensures seamless integration, allowing you to maintain full functionality of your factory steering wheel audio and phone buttons, as well as critical dashboard displays (date, time, temperature), after installing an aftermarket head unit. The installation requires no cutting or splicing, preserving the integrity of your vehicle's original I-Bus wiring.
Core Features & Benefits:
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Complete Feature Retention: Maintains 100% functionality of steering wheel controls and preserves the date, time, and temperature display on your instrument cluster.
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Specific Compatibility: Designed for vehicles with the classic BMW 17-pin round "Business" radio connector and non-amplified audio systems.
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Phone Button Support:Â Supports factory steering wheel phone buttons for compatible aftermarket head units from Alpine, Clarion, Kenwood, Pioneer, and Zenec when in Bluetooth mode.
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True Plug-and-Play Installation:Â Uses the vehicle-specific 17-pin round connector. No cutting or soldering required.
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Required Accessory:Â Must be used with the CTMULTILEAD.5Â universal radio patch lead to connect to your aftermarket head unit's steering wheel control input.
Vehicle Application (Non-Amplified, 17-Pin Round Plug):
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BMW 3 Series (E46): 1998 – 2005
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BMW 5 Series (E39): 1996 – 2000
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BMW 7 Series (E38): 1994 – 2001
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BMW X5 (E53): 2000 – 2001
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MINI (R50/R52, Pre-CAN Bus/I-Bus): 2001 – 2006
Crucial Compatibility Note: This interface is only compatible with the listed BMW and MINI models that have the 17-pin round plug and a non-amplified (standard) factory audio system. Vehicles with amplified "Hi-Fi" or "Premium" systems or later CAN-Bus systems require a different interface. Please verify your vehicle's specific radio connector and audio system before purchase.
Shipping
Shipping
Every order at TINKR promises fast shipping to your door, anywhere in New Zealand. Within 1-3 business days. Courier pickups Monday - Friday. Excluding public holidays.
Our standard delivery requires a signature upon receipt, however type any delivery instructions in the box provided during the TINKR check out on how you want your order delivered. For example, No signature required or leave on front porch etc.
How fast is Tinkr's Shipping?
How fast is Tinkr's Shipping?
While it is possible for many Auckland orders to be delivered the same day, delivery estimates are; North Island - Overnight. South Island and Rural - extra 1-2 days

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Connects2 CTSBM004.2 Steering Wheel Control Interface | 1994-2006 BMW & MINI (Non-Amplified, Round Pin Plug)