I cant see that the blocks cracked :blink: you may have a cracked cylinder head which tbh doesnt warrant an engine change...........that engine must have been fried to crack the head!!!!!!!! :(
Good luck with the heat gun hun i dont envy you there.........have you tried bmw... surely they could supply them :blink: if you send the reg by pm my fella will have a look to see if he can order you some from his work....