cylinder liner
I think it was repaired before as piston No. four is a smaller diameter than the others by a few mm. It looks like the bore was damaged and repaired by putting a liner over it. Strange but looks like the only explanation!
Owned for the last 8 years and been a fantastic vehicle. Selling due to cylinder liner dropping on cylinder No. 4. Will require replacement engine or the block reconditioning
Vehicle was a daily driver up until last week and has the following spec and recent work done to it:
Brand new tyres X5...