BMW 325i 1989 restoration

[MrFinland]

Now both engines are disassembled. And both engine blocks were bad, so I have to buy oversize pistons and drill the blocks bigger. I have tried to look for oversize pistons but quite difficult to find at least Europe. Ireland engineering Motorsport and Top end performance (both in California) and Metric Mechanic (also in USA) sell pistons but are very far from here. There is one company in Sweden where I can get the right pistons, maybe???

Here are a few pictures when the blocks are disassembled. One picture shows the "new" crankshaft (in the plastic bag) that comes into use. Only the "ring" shown in the illustration must be fitted to the front of the crankshaft first. The original crankshaft have a 75mm long stroke and this "new" has an 84mm long stroke.