I will be listing my CSL for sale in the near future. But before I do, I would like some feedback on the car's engine so I avoid misleading a potential buyer.
The car is a 3.0CSL city pack, but when I took it over, a previous owner had installed a 3.5 liter block. I wanted to return it to 3003cc, but it was impossible to find the original one.
However, I found another engine, which is in the car now.
This one was marked with X.......X where the engine number is usually stamped. Previously, this was supposedly the method used by the BMW factory to mark replacement engines. To add even more confusion, it has pistons with a diameter of 89.22mm and a stroke of 84mm. This makes a displacement of 3.15l.
According to the Blue Book, the piston at 89.22mm is a B piston, whatever that means.
The car is really nimble to drive, more fun than my 2800CS with 3.2l L-jetronic. So there is nothing to complain about
There were few CSLs that had the 3.15l engine, so it might be a good selling point even if it is not the original engine. Some opinions, anyone?



The car is a 3.0CSL city pack, but when I took it over, a previous owner had installed a 3.5 liter block. I wanted to return it to 3003cc, but it was impossible to find the original one.
However, I found another engine, which is in the car now.
This one was marked with X.......X where the engine number is usually stamped. Previously, this was supposedly the method used by the BMW factory to mark replacement engines. To add even more confusion, it has pistons with a diameter of 89.22mm and a stroke of 84mm. This makes a displacement of 3.15l.
According to the Blue Book, the piston at 89.22mm is a B piston, whatever that means.
The car is really nimble to drive, more fun than my 2800CS with 3.2l L-jetronic. So there is nothing to complain about
There were few CSLs that had the 3.15l engine, so it might be a good selling point even if it is not the original engine. Some opinions, anyone?


