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Recommended Trailer Wiring For 2013 BMW 128i Convertible  

Question:

I just received my hitch 2013 BMW 128i Convertible and forgot about the wiring harness. Which one will work on my vehicle?

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Expert Reply:

The wiring harness I recommend for your 2013 BMW 128i is the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit, # 119250KIT. This is a kit that bypasses your factory wiring and involves no cutting, splicing or plugging into your factory wires. This means you will have no interference, feedback, or power draw from your vehicle. The powered modulite will connect to your battery and the sensors of the unit simply clamp around your wires and can detect current using the Zero-Contact Interface. It will give you a 4 way flat connector to your trailer.

Just in case you forgot a ball mount, I recommend the Curt Class II Drawbar - 2-5/8" Rise, 3-1/4" Drop - 7-1/4" Long - 3,500 lbs # C45521 for your application. You will also want a 1-7/8 inch hitch ball like # A-82 or a 2 inch ball like # A-80. You'll also want a pin and clip like # F-4 or a locking pin like # e98879.

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Jason S

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