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Tekonsha's T-One connectors are built to plug into your vehicle's existing wiring harness at the factory connectors, so there's no cutting or splicing into your BMW's wiring to add trailer lighting.
This harness includes an upgraded, circuit-protected Modulite module to help guard the connection against electrical faults, and is matched specifically to the 2020-2022 BMW X1.
Confirm your X1's trim and factory wiring configuration before ordering.