I have an 83 633csi. I want to replace the timing chain and gaskets and adjust the valves at the same time. The car has about 110K miles on it and I'm the second owner. I know that it's been maintained very well over the years since I know the previous owner and the car has been garaged as well. Well anyway, what is involved in changing the complete timing setup and adjusting the valves. I have a shop manual, but it jumps around and the directions a very skimpy to say the least. Any insight would be helpful.