Hi I have a 1986 740 turbo wagon in which the engine is going bad (has been making abnormal noises (piston slap) ever since I bought it in2002 but now its loosing power and burning lots more fuel than it used to). I want to do an engine swap this summer but I was wondering what was the best year for the b230ft engine? If I get one from the junk yard out of lets just say a 1989 for example will it just fit as is or do I need to put my old (1986) head on the new block so that all the injection system parts fit ex: fuel rail and injectors, sensors ect. thanks for the help.
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