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03-23-2004, 04:01 PM
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#1
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6th Gear Member
Join Date: Jan 2002
Location: Toronto
Posts: 5,709
Car: E30 318is Arctic Rot
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HOW TO M20 Valve Adjustment???
Anyone have a step by step article on adjusting the rocker arm lash or "valve adjustment" on a 1991 325is (e30/M20) motor.. i need this ASAP!
thanks!
PS. Any links or articles would be helpfull, i've scanned maxbimmer and can't find anything! 
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03-23-2004, 04:19 PM
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#2
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Senior Moderator/Event-Coordinator
Join Date: Dec 2001
Location: Mrs. Sauga
Posts: 9,965
Car: E46 M3|E93 335i|GT2
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Remember the problem we had with Jon's brother's car Ryan? When I was moving the rockers up and down and noticed one of them had way more play? Well, there's a small cam in the rocker that gets pushed by the cam loab... that's what you adjust with a special tool (nail). Shim the spacing between the back of the loab and rocker cam adjuster to 0.012" cold. Everyone seems to use different specs, I prefer doing it cold because they're all uniform. To move the cam, leave the car in 4th gear and push it back & forth.
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-- RANDY SPARRE --
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03-23-2004, 04:20 PM
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#3
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is BMW crazy
Join Date: Sep 2002
Location: Richmond Hill
Posts: 14,844
Car: is not a real ///M5
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i got mine done by charlie for around 60~$... Its gonna give u rougher idle....
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www.enthusiastauto.caContact if you are looking for a car
His--2000 BMW ///M5 .:Jet Black on Black:. Individual - Style 65 Wheels; 9.5" Square Set up;275 Tires;10mm/3mm Spacers; Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power Sway Brackets; "Dinan" Ducts; E60 SSK; BC Coils 
Hers--2000 BMW ///M5 .:Avus Blue on Grey/Black:. '01 Exterior Upgrades; E60 SSK
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03-23-2004, 04:23 PM
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#4
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Senior Moderator/Event-Coordinator
Join Date: Dec 2001
Location: Mrs. Sauga
Posts: 9,965
Car: E46 M3|E93 335i|GT2
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it sounds more complicated than it is... when done properly the idle will be smooth, not rough. (the whole point)
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-- RANDY SPARRE --
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03-23-2004, 05:09 PM
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#5
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6th Gear Member
Join Date: Jan 2002
Location: Toronto
Posts: 5,709
Car: E30 318is Arctic Rot
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Thanks Randy.. I got the valve cover off right now and giving it the old slowered treatment (painted on performance)
I'm pretty shure i know what i'm doing here but should I shim the rocker at the cam or at the valve stem???
Thanks 1.4 million buddy
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03-23-2004, 05:10 PM
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#6
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6th Gear Member
Join Date: Jan 2002
Location: Toronto
Posts: 5,709
Car: E30 318is Arctic Rot
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Quote:
Originally posted by bmwm5lover
i got mine done by charlie for around 60~$... Its gonna give u rougher idle....
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my cost $9.50 for feeler guage
HA HA! 
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03-23-2004, 06:25 PM
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#7
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is BMW crazy
Join Date: Sep 2002
Location: Richmond Hill
Posts: 14,844
Car: is not a real ///M5
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Quote:
Originally posted by EMPOWERD
it sounds more complicated than it is... when done properly the idle will be smooth, not rough. (the whole point)
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not in my case... idle was rougher after the valve adjustment...i feel jipped off...   
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www.enthusiastauto.caContact if you are looking for a car
His--2000 BMW ///M5 .:Jet Black on Black:. Individual - Style 65 Wheels; 9.5" Square Set up;275 Tires;10mm/3mm Spacers; Black Kidneys;Muffler Delete; 3.5" Dual Tips; Beast Power Sway Brackets; "Dinan" Ducts; E60 SSK; BC Coils
Hers--2000 BMW ///M5 .:Avus Blue on Grey/Black:. '01 Exterior Upgrades; E60 SSK
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03-23-2004, 06:30 PM
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#8
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2nd Gear Member
Join Date: Mar 2004
Location: USA
Posts: 220
Car: N/A
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I have an article that was posted by another BMW forum. Here's the link:
E30 Zone
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03-23-2004, 08:20 PM
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#9
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Senior Moderator/Event-Coordinator
Join Date: Dec 2001
Location: Mrs. Sauga
Posts: 9,965
Car: E46 M3|E93 335i|GT2
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sorry for the confusion... you shim the rocker at the valve stem. Just make sure the cam loab is on the opposite side (no tension) of the rocker arm.
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-- RANDY SPARRE --
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03-23-2004, 10:47 PM
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#10
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6th Gear Member
Join Date: Jan 2002
Location: Toronto
Posts: 5,709
Car: E30 318is Arctic Rot
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DONE.. thanks!
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03-24-2004, 04:17 AM
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#11
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...Delt Smash
Join Date: Oct 2002
Location: Dudebridge
Posts: 11,025
Car: A decent one
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Quote:
Originally posted by Slowered318
DONE.. thanks!
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lol... you PwN3d urselF
inside joke
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03-27-2004, 01:01 AM
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#12
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6th Gear Member
Join Date: Jan 2002
Location: Toronto
Posts: 5,709
Car: E30 318is Arctic Rot
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Valve cover got the "slowered" treatment!
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03-27-2004, 01:02 AM
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#13
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6th Gear Member
Join Date: Jan 2002
Location: Toronto
Posts: 5,709
Car: E30 318is Arctic Rot
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same with interior... (shampo 'n' shine)
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09-08-2004, 09:15 PM
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#14
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6th Gear Member
Join Date: Oct 2002
Location: T-Dot
Posts: 9,838
Car: S54/E36
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Lol u gotto love old thrend 
dude give me some info on how to to the valve adjustment on a m10 motor the site tells u that that info its only for m20 motors..:
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09-08-2004, 09:20 PM
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#15
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2nd Gear Member
Join Date: Mar 2004
Location: USA
Posts: 220
Car: N/A
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Wish I could help you out. I just knew of that article from posting on E30Zone
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