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Thread: M70B54 project

  1. #76
    Join Date
    Jan 2007
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    Nouvelle Normandie, UK
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    861
    My Cars
    1997 M73, Individual
    Schon erstaunlich das es über die ganze Jahren/Laufzeit keine Probleme verursacht hat - interressante Fundsache Wolf.

  2. #77
    Join Date
    Jun 2010
    Location
    Reykjavik Iceland
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    1,614
    My Cars
    ALPINA B10 BITURBO


    Wolf,, these gaskets .. are they?? €€€€€€€€€€€€€

    at least here in Iceland

    Well done job
    Sveinbjörn Hrafnsson

    E30 CABRIO V12 M70B50 ///
    ALPINA B10 BITURBO 346 @ 507
    ULTIMA Evolution
    Contacts
    http://alpina.123.is/pictures/

  3. #78
    Join Date
    Aug 2007
    Location
    Duesseldorf, NRW, Germany
    Posts
    6,857
    My Cars
    '90 850iM70B54, '91 850i
    Those are the old ones. Also here outrageously expensive.



  4. #79
    Join Date
    Jun 2010
    Location
    Reykjavik Iceland
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    1,614
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    ALPINA B10 BITURBO
    Quote Originally Posted by wokke View Post
    Those are the old ones. Also here outrageously expensive.
    Hahaha,,, yes a 850 owner here was doing a big overhaul

    and i couldnt belive when i heard the price of this

    around 900€ here in Iceland,, all incl
    Sveinbjörn Hrafnsson

    E30 CABRIO V12 M70B50 ///
    ALPINA B10 BITURBO 346 @ 507
    ULTIMA Evolution
    Contacts
    http://alpina.123.is/pictures/

  5. #80
    Join Date
    Aug 2007
    Location
    Duesseldorf, NRW, Germany
    Posts
    6,857
    My Cars
    '90 850iM70B54, '91 850i
    If you look at the prices for the simple paper gaskets those intake ones are sort of "in line" price wise. Luckily not everything needs to be purchased from the stealer otherwise my project would cost me three times as much.



  6. #81
    Join Date
    Aug 2007
    Location
    Duesseldorf, NRW, Germany
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    My Cars
    '90 850iM70B54, '91 850i
    Both heads are now finished and could be installed if the block would be ready for them.







    Also the oil pans are done (powder coated from outside) and I hope they'll look like this for a looooong time after being installed.






  7. #82
    Join Date
    Oct 2010
    Location
    Northern VA
    Posts
    311
    My Cars
    1991 BMW 850i
    I'm sure once you are done this is going to look better than any brand new engine rolling out of BMW! Wish I could give my car this type of spa treatment .

    Sent from my DROID2 GLOBAL using Tapatalk 2
    ========
    91 850i 6-speed, 2018 M550 - wife mobile, Lexus GX460 - Family mobile

  8. #83
    Join Date
    Apr 2012
    Location
    pennsylvania, usa
    Posts
    62
    My Cars
    1992 850i
    Wokke,
    Is it just me or are a couple of those cam journal bolts still loose? I only ask cause i just got done reassembling my own m70 heads. It looks like a couple at the rear of the right head are still loose.

    Anyhow, beutiful work on this motor!

  9. #84
    Join Date
    Aug 2007
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    Duesseldorf, NRW, Germany
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    6,857
    My Cars
    '90 850iM70B54, '91 850i
    Quote Originally Posted by pmazz850 View Post
    Wokke,
    Is it just me or are a couple of those cam journal bolts still loose? I only ask cause i just got done reassembling my own m70 heads. It looks like a couple at the rear of the right head are still loose.

    Anyhow, beutiful work on this motor!
    You've got a sharp eye.
    None of them are actually torqued to the correct value yet since once I put the heads on the block I'll have to "release" the cam anyways for the timing adjustment.

    Thanks for all the compliments guys.



  10. #85
    Join Date
    Dec 2006
    Location
    Sunny Cali,
    Posts
    8,730
    My Cars
    6.5 second 69 Camaro
    Your car is turning out to be a real Gem, Great job thus far!
    Last edited by 8eights; 07-03-2012 at 08:38 PM.

  11. #86
    Join Date
    Aug 2007
    Location
    Duesseldorf, NRW, Germany
    Posts
    6,857
    My Cars
    '90 850iM70B54, '91 850i

    Just some pics

    I've been a bit busy again today.

    This pic shows nicely the oil spray nozzle for the piston cooling.
    Must be a hot engine.



    I think the other pics do not require any comments, nothing special there.












  12. #87
    Join Date
    Jan 2007
    Location
    Nouvelle Normandie, UK
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    861
    My Cars
    1997 M73, Individual
    Beautiful work Wolf, lovely stuff and I'm looking forward to seeing more progress. Thanks

  13. #88
    Join Date
    Sep 2006
    Location
    Greater Seattle Area
    Posts
    2,043
    My Cars
    '93 850Ci,'01 X5
    Wow, 4 bolt main caps. I'm impressed with the lower end of this engine.

  14. #89
    Join Date
    Aug 2007
    Location
    Duesseldorf, NRW, Germany
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    6,857
    My Cars
    '90 850iM70B54, '91 850i

    a little progress

    Alternator and starter motor are rebuilt now.




  15. #90
    Join Date
    Mar 2011
    Location
    Alpharetta GA USA
    Posts
    392
    My Cars
    '97 850 M73 / '90 750il
    Looks great, Is that a Silver Eng paint or some sort of Aluminum flake paint ? and the pulleys and other parts were treated with something or dipped in something ? Good Job

  16. #91
    Join Date
    Oct 2008
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    Mt. Dora, Florida
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    CSi#18, Tesla S85
    Wolf...lookin GOOD!!!!!

  17. #92
    Join Date
    Sep 2006
    Location
    Greater Seattle Area
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    2,043
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    '93 850Ci,'01 X5
    +1 for the naked caps

  18. #93
    Join Date
    Dec 2007
    Location
    Dallas, TX
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    10,384
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    '93 850Ci- Daily Driver
    Quote Originally Posted by rogbmw View Post
    Wolf...lookin GOOD!!!!!
    Roger,
    Are you going to do the same thing to your engine, drivetrain and suspension? I think you should! You know these cars have one hell of a mission-creep...

    '93 850Ci - Mineralweiß Metallic

    2001 740iL - Titansilber
    ALPINA B7 -Alpinweiß III


    ...the price of cool ain't cheap!

  19. #94
    Join Date
    Oct 2008
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    Mt. Dora, Florida
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    CSi#18, Tesla S85
    Quote Originally Posted by TxGR8White View Post
    Roger,
    Are you going to do the same thing to your engine, drivetrain and suspension? I think you should! You know these cars have one hell of a mission-creep...

    No...I'm going to have Wolf come over, pay his way to see Mickey and Minny Mouse at Disneyworld, and then have him do mine ---- I Wish!

    I'd like to do some...start on the top side and go from there. So much of the front stuff is gone anyway...we both realize what mission creep can do.......... But...also remember how big my hands are (remember us all helping to changing plug #12 on one of the cars at the SE 8 Gathering!

    Again though... Wolf's work looks amazing.

  20. #95
    Join Date
    Apr 2009
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    Vancouver Isl, BC, Canada
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    4,173
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    98 Euro M3, 04 M3, 06 M5
    Quote Originally Posted by wokke View Post
    Alternator and starter motor are rebuilt now.

    lower T case cover delete?
    Current:

    - 09 335i MSport, FBO.
    - 98 Euro M3, Estoril Blue
    - 04 M3, Carbon Black, 6 Speed Coupe
    - 06 M5, Black on Black, Full Leather.
    - 73 3.0CS, Tagia Green, 5 speed M30b35 converted

    Ex's: 1984 325e, 1988 325IX, 1992 525I, 1995 540i/6, 2002 330i, 2005 330xi, 1992 850i, 2003 330i #1, 2003 330i #2, 2002 330ci, 2004 330ci, 2007 328CI, 2007 335i, 2001 M3, 2006 M5 6 speed

  21. #96
    Join Date
    Sep 2008
    Location
    Santa Barbara
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    3,465
    My Cars
    91 Dinan860 & 91 850 6sp
    It sure is pretty.
    ...but why haven't you put the pistons/rings/rods/heads on first? Seems awkward to have to remove everything you've built up so far...

    But is sure looks sweet

  22. #97
    Join Date
    Aug 2007
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    Duesseldorf, NRW, Germany
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    My Cars
    '90 850iM70B54, '91 850i
    No need to remove everything to mount the heads. Only the upper timing cases and they are not firmly mounted yet but more kind of stuck together.
    Pistons aren't ready for installation yet. I still need to clean all the ring grooves.

    Quote Originally Posted by legoman67 View Post
    lower T case cover delete?
    saves weight.
    The damper isn't mounted yet but just stuck on. I'm having the M73 t.case cover modified for the crank shaft sensors so I can slightly alter their position. This allows me to play around with the basic ignition timing. No clue if it'll bring any positive effect but worth a try IMO.

    Quote Originally Posted by jayseitz View Post
    Looks great, Is that a Silver Eng paint or some sort of Aluminum flake paint ? and the pulleys and other parts were treated with something or dipped in something ? Good Job
    Engine block, cylinder heads, alternator, water pump and starter motor are painted using special silver engine paint. Rest has been powder coated silver with a layer of clear powder on top. Everything "gold" is galvanized (yellow zinc we call it).

    Quote Originally Posted by rogbmw View Post
    No...I'm going to have Wolf come over, pay his way to see Mickey and Minny Mouse at Disneyworld, and then have him do mine ---- I Wish!
    ....
    Have been at DisneyLAND already but wouldn't mind visiting Florida.
    But won't help anyways since my supplieres are in Germany. So you need to ship the car over the pond to me.
    Last edited by wokke; 06-28-2012 at 01:57 AM. Reason: Automerged Doublepost



  23. #98
    Join Date
    Jan 2012
    Location
    Baltimore, Md
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    168
    My Cars
    95 240SX SE, 95 E31 840
    carb dip works wonders for removing coked up oil on the piston ring groves, let it sit for a bit and have a go at it with a toothbrush.

    it is a bit tedious to do it this way but it yields an almost factory fresh part.

  24. #99
    Join Date
    Jan 2008
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    Castrovalley,CA
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    3,220
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    420G SPEED 6
    Mann if this is the standard im in trouble!!!

  25. #100
    Join Date
    Aug 2007
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    Duesseldorf, NRW, Germany
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    My Cars
    '90 850iM70B54, '91 850i
    Quote Originally Posted by BlackBox Tuning View Post
    carb dip works wonders for removing coked up oil on the piston ring groves, let it sit for a bit and have a go at it with a toothbrush.

    it is a bit tedious to do it this way but it yields an almost factory fresh part.

    what exactly is carb dip? Same as carb cleaner or something more aggressive?
    Important is that the coating of the pistons doesn't get damaged.

    That's the reason I'm not glass pearl blasting them (just kidding)

    Quote Originally Posted by smokum View Post
    Mann if this is the standard im in trouble!!!
    don't worry, I don't think it is.
    I'm just a bit crazy since I have all the possibilities to get things done that way.
    Last edited by wokke; 06-28-2012 at 01:29 PM. Reason: Automerged Doublepost



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