i use mine all the time and now planning a tour of europe in my series 2 but i am middle aged and got a light right foot and dont thrash my tuned rst , i can go on a 10 mile trip and not even here the dump valve
as long as its maintained well there is no reason why you shouldn't have the confiedence to go any where but if you have bodged a job on the car 4 lack of funds then driving it everywhere will give you doubts
mark2