There is one hitch available for your 2012 BMW 3 Series Coupe Convertible. That hitch is the Stealth Hitches Hidden Rack Receiver # SH94VR. This fits both convertible and coupe models so it is exactly what you need. The receiver is only designed for hitch mounted accessories so it works with a bike rack or cargo carrier.
If you were planning on towing you will need the # SH78VR instead. This includes the towing kit with wiring and a ball mount. You can also add the towing kit later with... view full answer...
Hey Alec,
Stealth Hitches unfortunately does not offer the wire harness separately from the complete tow ball kit # 391CONVA7 so you would need to either purchase the whole kit again or reach out to Stealth Hitches to see if they could ship you just the wire harness. view full answer...
Yes, the Curt # C11177 is the correct hitch for your 1997 BMW 318 ti. This fits all models of the 1997 3 series. It has a bolt-on installation and drilling will be required. No other modifications are necessary.
I attached an installation video below for your reference. view full answer...