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Thread: N52 block deck

  1. #1
    Join Date
    Feb 2015
    Location
    Long beach
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    15
    My Cars
    2006 bmw 330i

    N52 block deck

    Hi everyone, Iím in the process of a head gasket replacement. I wanted to ask whatís the best way to prepare the deck for the new head gasket?
    Just to add I did use a machinist ruler the see if the block deck is wrapped, but the out of the two i ordered one was too long to fit in the engine bay so I used the small one. Iím waiting for another one to come in but for the most part i checked in horizontally and vertically( its 12-13 inches), I couldnít fit.004 under it.
    So I think my deck is ok.
    Thanks !

  2. #2
    Join Date
    Jan 2007
    Location
    Atlanta, GA
    Posts
    5,047
    My Cars
    2017 Ram 2500d
    Clean both the deck and the head. BMW has a special sanding block. You can use a brillo pad or other abrasive pad to clean it. Just nothing that will gouge or damage the surface. Sometimes a razor blade works well too.

    Sent from my Pixel XL using Tapatalk
    BMW Level 1 Master Technician
    2017 Ram 2500d
    2017 Jeep Grand Cherokee
    2014 Moomba Mobius LSV

  3. #3
    Join Date
    Feb 2015
    Location
    Long beach
    Posts
    15
    My Cars
    2006 bmw 330i
    Where can I find the sanding block, the old gasket wasnít scorched on the deck.
    Thereís slight residue but not much.

  4. #4
    Join Date
    Jan 2007
    Location
    Atlanta, GA
    Posts
    5,047
    My Cars
    2017 Ram 2500d
    It'd be a special order from a dealership. Which would require the part number. I don't have access to it at the moment. Try using a scotch Brite scuff pad

    Sent from my Pixel XL using Tapatalk
    BMW Level 1 Master Technician
    2017 Ram 2500d
    2017 Jeep Grand Cherokee
    2014 Moomba Mobius LSV

  5. #5
    Join Date
    Feb 2015
    Location
    Long beach
    Posts
    15
    My Cars
    2006 bmw 330i
    The scotch pad has aluiminiun oxide, is there an alternative that doesnít have Aluminium oxide?

  6. #6
    Join Date
    Feb 2015
    Location
    Long beach
    Posts
    15
    My Cars
    2006 bmw 330i
    I just got my cylinder head from the machine shop, they took off .006 in. Can I used a stock head-gasket?

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