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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 03-05-2014, 09:18 AM
questions17 questions17 is offline
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Mein Auto:
Valve cover gaskets and tune up

When replacing the valve cover gasket, what's is the correct pressure that the valve cover gaskets bolts should be? Also when doing the spark plugs, does anybody know?

This is my first time doing this


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  #2  
Old 03-05-2014, 09:54 AM
jburke4689 jburke4689 is offline
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Mein Auto: 2007 335i
spark plugs 23 Nm, or 17 ft/lb

Valve cover bolts 10 Nm or 7 to 7.4 ft/lb
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Old 03-05-2014, 09:57 AM
questions17 questions17 is offline
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Thank you. What about the valvetronic bolts?


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Old 03-05-2014, 10:14 AM
jburke4689 jburke4689 is offline
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Sorry, disregard those torques. They were for an N54 motor. Do you have a 328i? That has an N51 or N52 motor.
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Old 03-05-2014, 11:31 AM
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Yeah it's a n52 motor


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Old 03-05-2014, 11:33 AM
questions17 questions17 is offline
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328i


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Old 03-05-2014, 12:24 PM
ctuna ctuna is offline
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There are DIy's for this stating the torques

There are DIy's for this stating the torques
some of them can be found here
http://www.e90post.com/forums/forumdisplay.php?f=16

and some can be found by googling the procedure that your interested
in. I would read as many as you can because some have the torque spec
plus and additional 90 degrees and there is and order of tighting you have
to follow.
Do you actually have a leak?

Last edited by ctuna; 03-05-2014 at 12:25 PM.
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Old 03-05-2014, 01:20 PM
questions17 questions17 is offline
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Yeah my valve cover gaskets are leaking and also the oil filter housing as well. I want to get that done as soon as I get a chance. But first I want to know the proper procedure and the right tools


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Old 03-05-2014, 02:32 PM
ctuna ctuna is offline
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A really good torque wrench

A really good torque wrench plus the common stuff like a good socket
set and some torx sockets and maybe drivers.
I think turnermotorsports sells a complete valve cover valvetronic gasket replacement set
as well as oil gasket set.

Last edited by ctuna; 03-05-2014 at 02:34 PM.
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  #10  
Old 03-05-2014, 02:44 PM
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I'll check it out. Thanks


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Old 03-05-2014, 02:52 PM
ctuna ctuna is offline
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Link to gasket set plus screws etc..

http://www.turnermotorsport.com/p-18...4-30i30si.aspx
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Old 03-05-2014, 06:31 PM
jburke4689 jburke4689 is offline
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ValVe cover 2 stages. 63 inch/pounds. Plus an additional 90 degrees, you need to use new ones

Valvetronic motor bolts 7 foot pounds

Spark plugs are 18 + or - 2foot pounds.

If you search here you will find many posts stating unequivocally that you don't put anything on the threads. However the manual I am looking at right now states "Lightly lubricate new spark plug threads with copper-based anti-sieze.". You make the call.
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