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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 01-14-2013, 06:52 PM   #1
sang
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valve adjustment

Hi all~!~

hear that in every 40,000km I have to do valve adjustment
Is this true?

Thanks
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Old 01-14-2013, 07:23 PM   #2
eson
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Every 15k miles it is recommended to at least check the valves, and if necessary, adjust them.
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Old 01-14-2013, 08:30 PM   #3
sang
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So is this only for the M3? or is it for all E46??

Thanks
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Old 01-14-2013, 08:30 PM   #4
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You check (inspect the valves) for need of adjustment at every "Inspection" interval (approx 30k miles). You should perform a valve adjustment at Inspection II (approx 60k). The reason for the approxi. tag is, depending on how you drive the car determines how much sooner the service intervals become.

You can check your valves at a more frequent interval of your choosing if you so desire. You can set the lash anywhere within the specs of your choosing if you're performing the work. (some like the tolerances close, some the middle, some on the loose side)



M3 as far as I know, not sure if any regular E46 have similar valvetrain.
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Last edited by turbo_f22_pilot; 01-14-2013 at 08:34 PM.
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Old 01-14-2013, 08:30 PM   #5
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The inspection interval for the E46 m3 is actually every 30k miles or about 49000km. If you are not sure when the previous owner did it last, you should do in now and go from there.
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Old 01-15-2013, 08:47 PM   #6
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Thank You so much guys~!
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Old 01-15-2013, 08:53 PM   #7
$ilent ///M
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Originally Posted by sang View Post
So is this only for the M3? or is it for all E46??

Thanks
Valve adjustment is for the m3 motors only non-m have self adjusting hydraulic lifters.
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Old 01-16-2013, 01:44 PM   #8
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anyone know if there is a "guide" to do it? i want to do it myself but "BMW" wont give me instructions
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Old 01-16-2013, 04:43 PM   #9
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Originally Posted by lindstrome View Post
anyone know if there is a "guide" to do it? i want to do it myself but "BMW" wont give me instructions
The search function is your friend. Try this forum, M3F has great write ups and don't forget Google. You will want to rent a shim kit and removal/install tool from a forum member. You also need a 32mm or 1-1/4 wrench, as well as a set of calipers or a micrometer.
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Old 01-16-2013, 04:55 PM   #10
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It's fun! Enjoy
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Old 01-20-2013, 09:42 AM   #11
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Originally Posted by lindstrome View Post
anyone know if there is a "guide" to do it? i want to do it myself but "BMW" wont give me instructions
Much info out there. I researched it last summer and did it myself. It went fairly smooth. Get the Bentley manual as well. Check out the videos on you tube.
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Old 01-20-2013, 11:59 AM   #12
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Consult your m3 manual.
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Old 01-20-2013, 12:07 PM   #13
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Originally Posted by lindstrome View Post
anyone know if there is a "guide" to do it? i want to do it myself but "BMW" wont give me instructions
Check out the link in my sig. There is a DIY, spreadsheet, and TIS that may be helpful.
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S54 Valve Adjustment Spreadsheet & Info: http://dl.dropbox.com/u/28231781/S54...ent%20info.zip
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Old 01-21-2013, 09:30 PM   #14
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A bunch of good videos on youtuber...here is one of my favs...part 1

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