lundi 30 mars 2015

m54 to m56 block swap help.

Hello you guys.



Here is the story .. i was doing a head gasket job on 325i m56 sulev engine due to overheating problems and everything was going fine until i torqued the head down and damaged the headbolt treads on the block. I have heart that it happens a lot on this aluminum blocks after overheating. So i was wondering if is possible to fit m54 block on my m56 head because i can find m54 engine for very cheap and i have such a hard time to find m56 one.Has anyone done that , the only difference should be the pistons , but if i have to i'll swap them too.

I spoke with few bmw geeks and nobody could tell , only one guy came up with the story that the blocks are totally different due to the oil ports on them witch for me make no sense because the head gasket is same for both engines.

Please help.....



Also can anyone share some info about the time-sert kits . I gave up on the idea of the inserts being to risky , especially after i spoke with one mechanic from local well known bmw shop who say - " Well , the biggest inserts we were able to find were 25mm witch is not enough , we have done this job couple of times with no success so now we just change the blocks.On the other hand couple of the local machine shops were very happy with the time-serts.

So if anyone can throw some info will be greatly appreciated. Thanks.




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