2000 BMW 328i Q&A
2000 BMW 328i Question: How do you re-connect the horn?
Look and see if the horn has an electrical connection to it - there maybe a couple of different ones - one maybe for the alarm. If the wire was disconnected, it can be easily re-connected - MBZBMW6577
Look for the disconnected wires up near the grill area. If you can't find them then take it back the shop and they will reconnect for you. These little things happen and I'm sure it was just an accident. - Hal...