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Thread: M52 rebuild advice

  1. #1
    Join Date
    Jul 2015
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    Clarkston Wa/Lewiston ID
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    My Cars
    96 328i coupe

    M52 rebuild advice

    With 185k miles I figure this next winter would be a good time to tear and rebuild my m52, it will see a lot of daily driving plus drifting and canyon runs. My plan to was to make sure the stock bottom end is good shape, have it re-ringed as needed, clean up the head, ARP studs and a cut ring headgasket and s52 cams. I will be welding my oil pump nut, and resealing the rest of the engine. Please let me know if I missed anything that I should do
    Grimegang_cody on instagram if you want to follow my progress
    Quote Originally Posted by Timing View Post
    I heard you like fenders, yo. So I screwed some fenders on your fenders.

  2. #2
    Join Date
    Apr 2011
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    Savannah, GA
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    3,009
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    1998 M3 Coupe
    Did an s52, the oil squirters were slack, one or two had no spring pressure so they would be throwing oil at low rpms and robbing pressure. They’re stupid expensive for what they are. New or low mile lifters, the old ones stick badly and the new ones are silky smooth. I put an Achilles oil baffle in the pan.

  3. #3
    Join Date
    Jun 2010
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    NY
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    1997 328i
    Obviously new chain guides. New top chain tensioner (they can leak and cause low press on neighboring components). You could upgrade to the S52 style lower chain tensioner ($75). Z3 style oil pickup tube for the oil pump.
    Attn. NEWBIES: Use the search feature, 98% has already been discussed.
    Click the search button, select "search single content type", select the "e36 sub forum" specifically, try the "search titles" then try the "search entire posts".

  4. #4
    Join Date
    Oct 2003
    Location
    Seattle
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    5,776
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    99 M3

    M52 rebuild advice

    Quote Originally Posted by Eric93se View Post
    Z3 style oil pickup tube for the oil pump.
    Hummmm …E36 M50, S50, M52, S52 (“M”) and Zed “M” all seem to use 11411730465 Suction pipe

    https://www.realoem.com/bmw/enUS/par...465&series=E36


    Sent from my iPhone using Tapatalk
    Last edited by bluptgm3; 06-10-2019 at 03:07 AM.

  5. #5
    Join Date
    Dec 2013
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    People's Republic of MD
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    2,291
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    22 doors and 4 tops
    Check your compression before tear down. I have a 230,000 engine with 270 across the cylinders. No need to incur unneeded expenses.

  6. #6
    Join Date
    Nov 2013
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    Oneida, NY
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    1993 318is/who to knows
    If the compression is strong, and your not going fi, arp studs are a waste of time and money, cut ring gasket is a waste of time, money, and head damage. If your oil pressure is fine, your oil pressure is fine. Obviously new gaskets are a plus along with tensioners, but anything else not stock replacement on a stock engine, only complicates things more than need be.
    Nobody would recertify these machines after somebody screwed with them without any visibility into what they did.

    HONK! HONK! Clown car coming through!

    -Oakdizzle

  7. #7
    Join Date
    Jun 2010
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    If he's going to do drifting and canyon runs I would say the upgraded Z3 oil pickup would be wise, obviously along with securing the nut. Pan baffles would be very wise too.
    Attn. NEWBIES: Use the search feature, 98% has already been discussed.
    Click the search button, select "search single content type", select the "e36 sub forum" specifically, try the "search titles" then try the "search entire posts".

  8. #8
    Join Date
    Oct 2003
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    Seattle
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    99 M3
    Quote Originally Posted by Eric93se View Post
    If he's going to do drifting and canyon runs I would say the upgraded Z3 oil pickup would be wise, obviously along with securing the nut. Pan baffles would be very wise too.
    Hummmm …E36 M50, S50, M52, S52 (“M”) and Zed “M” all seem to use 11411730465 Suction pipe

    https://www.realoem.com/bmw/enUS/par...465&series=E36


    Sent from my iPhone using Tapatalk

  9. #9
    Join Date
    Jul 2015
    Location
    Clarkston Wa/Lewiston ID
    Posts
    173
    My Cars
    96 328i coupe
    I would like to go turbo at some point in the next year or two, thus the headgasket and studs. An oil pan baffle setup sounds like a good idea along with a better oil pickup tube.
    Grimegang_cody on instagram if you want to follow my progress
    Quote Originally Posted by Timing View Post
    I heard you like fenders, yo. So I screwed some fenders on your fenders.

  10. #10
    Join Date
    Jun 2010
    Location
    NY
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    9,079
    My Cars
    1997 328i
    Man I can't find threads on our subforum for the Z3 pickup tube upgrade, but a general web search found the upgrade tube.

    https://www.turnermotorsport.com/p-1...m50m52-s50s52/
    Attn. NEWBIES: Use the search feature, 98% has already been discussed.
    Click the search button, select "search single content type", select the "e36 sub forum" specifically, try the "search titles" then try the "search entire posts".

  11. #11
    Join Date
    May 2009
    Location
    UK/Romania
    Posts
    242
    My Cars
    E36 328i M54B28
    Could also be a good time to port your head, at least the intake ports, maybe polish them a bit, although that seems to be debatable, some say the porous surface helps mix air and fuel. Personally, I think polishing helps, but I'm no engineer. Also, good time to skim the head a bit for a small bump in compression, but I guess that's a no-no if you plan on going F/I.

  12. #12
    Join Date
    Nov 2013
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    Oneida, NY
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    1993 318is/who to knows
    Then just do everything. Lol. Better to do once than twice.
    Nobody would recertify these machines after somebody screwed with them without any visibility into what they did.

    HONK! HONK! Clown car coming through!

    -Oakdizzle

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