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Old Fri, Apr-15-2011, 12:37:06 PM   #1
jrbm3
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Default M coupe with S54 v e46 M3 valve adj

I have an e46 M3 with the S54 and I have done the valve adjustment in the past on my e46. I have a friend who has an M-coupe with the s54 and he wants me to do the valve adj on his. Q: Any major differnce between the Mcoupe and e46 M3 that I should know about? It appears to be straight forward in fact cylinder 6 looks to be easier to get to than in my e46.

thanks
j
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Old Sun, Apr-17-2011, 04:33:58 AM   #2
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Default Re: M coupe with S54 v e46 M3 valve adj

It's the same thing, with less parts in the way! Only difference is you have to remove the electric fan to gain access the crank pulley (to rotate the engine). Very easy.
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Old Sun, Apr-17-2011, 05:08:58 AM   #3
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Default Re: M coupe with S54 v e46 M3 valve adj

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Originally Posted by kaiv View Post
It's the same thing, with less parts in the way! Only difference is you have to remove the electric fan to gain access the crank pulley (to rotate the engine). Very easy.
cant you just use a 32mm wrench
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Old Sun, Apr-17-2011, 11:36:15 AM   #4
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Default Re: M coupe with S54 v e46 M3 valve adj

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cant you just use a 32mm wrench
There's no mechanical fan on the E86M so no 32mm fan clutch nut. The electric fan slides out after removing a couple screws and connectors on top.
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Old Sun, Apr-17-2011, 01:12:25 PM   #5
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Default Re: M coupe with S54 v e46 M3 valve adj

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There's no mechanical fan on the E86M so no 32mm fan clutch nut. The electric fan slides out after removing a couple screws and connectors on top.
Hummm OK good to know, thanks.


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Old Sun, Apr-17-2011, 01:18:19 PM   #6
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Default Re: M coupe with S54 v e46 M3 valve adj

What size wrench will I need to move the crank in a Z4MC? I'm doing this for a friend so I don't own one to compare to the e46 M3.

j
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Old Mon, Jun-13-2011, 02:23:51 AM   #7
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Default Re: M coupe with S54 v e46 M3 valve adj

The engine hardware is identical. Access is different, as noted, but otherwise they are the same engine, provided you aren't messing around with the DME, which you aren't.
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Old Tue, Jun-14-2011, 07:25:14 PM   #8
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Default Re: M coupe with S54 v e46 M3 valve adj

good to know.. im considering trading for a z4m
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Old Wed, Jun-15-2011, 10:13:40 PM   #9
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Default Re: M coupe with S54 v e46 M3 valve adj

Kaiv did the valve adjustment on my car. He said it was the same procedure once you got to the engine!
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Old Mon, Jun-20-2011, 11:08:07 PM   #10
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Default Re: M coupe with S54 v e46 M3 valve adj

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Originally Posted by jrbm3 View Post
What size wrench will I need to move the crank in a Z4MC? I'm doing this for a friend so I don't own one to compare to the e46 M3.

j

You rotate the crank using a 32mm socket.
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Discussing M coupe with S54 v e46 M3 valve adj in the M Coupe/Roadster (1997-2002, 2006-200?) Forum - at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)