Hello i have a 1995 bmw 318i convertible. It does not have a trip computer obveously not fitted when new. What i want to know can i add this myself as i like having outside temp in my car. Could anyone tell me will it just be ready t plug in or what will i need and will i need a whole new ecu or anything like that. Any help would be a real help to me thank you.
New to bmws love the car best drive iv seen yet.