Originally posted by Ryann
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M42 budget rebuild - Upgrades to bottom end?
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OP, I'm going through this exact operation right now. So far I know we need new sets of rod/main bearings, and new rod bolts. Still trying to figure out if the main cap bolts can be reused. Also figuring out if it's cheaper to buy the gaskets individually or as a package. I hear that there's an updated crank seal that's of benefit to use. Might even do the piston rings while I'm at it if I can afford them...Reformed E34 addict. 1993 525i/5 - 1995 525i/5 - 1991 318i/C
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Thanks Guys. I really appreciate the input regarding upgraded bearings, and updated relief valves. I can see that having a lot of money would probably help me in getting forged pistons, problem is: I do not have the extra cash right now so I am sticking to simple upgrades.
I am not sure but thinking about replacing the oil pump too.
And I know buying the whole gasket set is more cost effective ("cheaper" if you must) than piece meal.
Happy Thanksgiving!1997 328i - SOLD
1991 325is - SOLD
2002 325i - SOLD :(
Currently:
1991 318is
2011 328i xDrive
2017 Highlander - Toy Hauler
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Originally posted by io_RobbieRodgers View PostOP, I'm going through this exact operation right now. So far I know we need new sets of rod/main bearings, and new rod bolts. Still trying to figure out if the main cap bolts can be reused. Also figuring out if it's cheaper to buy the gaskets individually or as a package. I hear that there's an updated crank seal that's of benefit to use. Might even do the piston rings while I'm at it if I can afford them...1997 328i - SOLD
1991 325is - SOLD
2002 325i - SOLD :(
Currently:
1991 318is
2011 328i xDrive
2017 Highlander - Toy Hauler
sigpic
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