I had worked out a great deal for another s54 from 2004 (post recall) with only 24k miles!. The engine was still in the car and ran when the deal was being hammered out but there was a small oil leak and the PS pump was broken off the oil filter housing. The guy I am buying from (reputable well known shop) said that he would buy brand new oil filter housing, PS pump and Alternator with all new hardware to replace the broken parts. This made the deal seem even better. Then the engine was pulled and the drivers side stripped for the new parts and I got an email saying that when the oil filter housing cracked it ripped out its upper right mounting bolt from the block. (see pic below). The guy said he would get it professionally fixed and welded up, drilled, and tapped and it would be better than new. So would you buy this engine to put in your car? The guy offered to extend their warranty from 1 year to whatever I felt comfortable with. I am kinda freaking out about having a block "fixed". I know people drill and tap stripped holes all the time but to weld and fix it is something I have never had to deal with. Should I avoid the engine? Could there be any other problems? unseen stress cracks? damage caused from the heat of welding? or am I overreacting? It was left that the guy needs to have it fixed whether I buy the engine or not so I can inspect the fix this weekend and we can decide from there.

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