Exhaust manifold studs

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booomer
E30 Zone Newbie
E30 Zone Newbie
Posts: 215
Joined: Fri Oct 16, 2009 11:00 pm

Post Sat Oct 23, 2010 12:33 pm

Hi guys does anyone know the proper procedure for changing exhaust manifold studs on an M50? I've got all the old ones out but i just want to be sure of putting the new ones in and how much to tighten them etc.
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e30-EVN
Old Skooler
Old Skooler
Posts: 3382
Joined: Sun Dec 13, 2009 11:00 pm
Location: S.Wales

Post Sat Oct 23, 2010 3:23 pm

I put a nut on the stud then another and tighten it up, the second nut grips the 1st and will turn the stud, then take the nuts off when stud is tight. worked for me mate. Obviously don't over tighten!
A 2 door e30 with 8 cylinders, what could be better winkeye :D
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E30BeemerLad
Married to the E30 Zone
Married to the E30 Zone
Posts: 16806
Joined: Mon Mar 28, 2005 11:00 pm
Location: Norfolk

Post Sat Oct 23, 2010 5:02 pm

put the new ones in just by hand to check you don't cross thread them. Then once they are finger tight put 2 nuts on and tighten in further, not too tight though
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DanThe
E30 Zone Team Member
E30 Zone Team Member
Posts: 28649
Joined: Sat Sep 10, 2005 11:00 pm
Location: Staffs

Post Sat Oct 23, 2010 9:31 pm

Oil the threads before fitting
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Dave_M3
E30 Zone Addict
E30 Zone Addict
Posts: 3428
Joined: Sat Jun 24, 2006 11:00 pm
Location: Cork

Post Sun Oct 24, 2010 3:35 am

And be extra careful on an M52 to avoid pulling the threads.
M42 rightness above 6500rpm, nobody can hear you scream
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