Curt - 4-Way Round Connector Plug & Socket with Hardware (Packaged) - 58677 3500 HD or 3500 Classic

3500 HD or 3500 Classic (to verify your vehicle compatibility

428i and 435i (to verify vehicle compatibility

The hardened components are less subject to wear and last longer than competitor models

and premium black chrome badging that stands out from the crowd

Add a modern appearance to your vehicle with the 921 XPR 3rd brake light bulb

Curt - 4-Way Round Connector Plug & Socket with Hardware (Packaged) - 58677 3500 HD or 3500 ClassicLike trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer's electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. These 4 way round connectors are designed to supply power for tail