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Thread: M30 Engine pull question

  1. #1
    Join Date
    Dec 2003
    Posts
    1,640

    Default M30 Engine pull question

    Anyone know if you can pull an M30 out the top without dropping the tranny? (5 speed)

    Last engine swap we first dropped the exhaust and tranny, then pulled the motor out the top.

    Getting ready for the 3.7 install; wondering if we can skip the exhaust and tranny step.

    Jeff
    Bellevue WA
    90 535iM - not much stock remains. 3.7 liters, ported head, cammed, 3.73 diffy, M5 brakes, MAFed, yadda yadda yadda
    86 Porsche 951 - Track Toy

  2. #2
    Join Date
    Dec 2003
    Posts
    835

    Default

    Who's WE? You got the queen of england over there?
    erased due to slander

  3. #3
    Join Date
    Jan 2004
    Posts
    1,235

    Default Ooh ooh - ready for install...

    You've been surprisingly quiet about the project lately... I was wondering when you'd be posting 1/4 mile times!

    Geez - now I really will have to come out there for the wedding (friend getting married on the 30th in Seattle).

    I have no experience with this operation on this car, but it might be worth it to drop the exhaust, DS and tranny just to be sure. Should only add an hour or two to the job, but it's nice to have extra room. Or rather, it really sucks to *almost* get it out then have to rush and pull the tranny while Martin patiently holds the engine up with his bare hands.

    Nowadays I tend to remove too many things than remove too few because I really hate trying to squeeze things out that just barely don't fit, whereas if I took the time to take out the extra parts the whole job would have been a breeze.

    Let us know how it goes together!!
    Robin

    72 Chevy K10
    01 E39 M5

  4. #4
    Join Date
    Dec 2003
    Location
    Canada, ON
    Posts
    732

    Default

    Quote Originally Posted by Jeff N.
    Anyone know if you can pull an M30 out the top without dropping the tranny? (5 speed)

    Last engine swap we first dropped the exhaust and tranny, then pulled the motor out the top.

    Getting ready for the 3.7 install; wondering if we can skip the exhaust and tranny step.

    Jeff
    YEs you can pull it with the tranny. When I have done it the rad, condenser, hood and grill was gone so it was easy to come out.

    But the tranny on the 535i is easy to come out (3.5 hours, in and out with 2 people).

    I would drop the tranny and remove the hood, no need to cut corners and damage some body panels on your car.
    At the same time you can check the clutch..

    What type of flywheel are you running?
    '85 Euro 635csi Race Turbo, megasquirt, Group A
    '92 525i Touring 5 speed, 3.46 diff, UUC 8.5lb flywheel, soon to be turbo.
    '02 Subaru WRX Wagon with STI springs, bigger sway bars

  5. #5
    Join Date
    Mar 2005
    Location
    Renton,WA
    Posts
    87

    Default

    Let me know if you guys need an extra hand, It would be fun to see what's involved!

    Erik

  6. #6
    Join Date
    Dec 2003
    Posts
    1,640

    Default

    Condensor? ooooo. I don't want to pull that. Rad is no problem; AC is PITA.

    Bruno: Do you know if you can leave the tranny in the car and slide the motor forward enough to get it off the shaft? That would be best. I agree it's not too bad to pull the tranny but it's PITA to jack the car up that high, then drop it to do the pull, then put it back up in the air.

    Flywheel is a 17lb unit from a 533.

    Martin: hmmm..pull an engine or hang with the wifey at the Mall. Yer choice.

    Robin: 30th huh? hmmm. I'll look at the calendar and see how that weekend looks.

    Erik: We'll let you know when the project queues up. Be glad to have you stop by or lend a hand.

    Jeff
    Last edited by Jeff N.; 06-30-2005 at 12:35 PM.
    Bellevue WA
    90 535iM - not much stock remains. 3.7 liters, ported head, cammed, 3.73 diffy, M5 brakes, MAFed, yadda yadda yadda
    86 Porsche 951 - Track Toy

  7. #7
    Join Date
    Dec 2003
    Location
    Canada, ON
    Posts
    732

    Default

    Quote Originally Posted by Jeff N.
    Condensor? ooooo. I don't want to pull that. Rad is no problem; AC is PITA.

    Bruno: Do you know if you can leave the tranny in the car and slide the motor forward enough to get it off the shaft? That would be best. I agree it's not too bad to pull the tranny but it's PITA to jack the car up that high, then drop it to do the pull, then put it back up in the air.

    Flywheel is a 17lb unit from a 533.

    Martin: hmmm..pull an engine or hang with the wifey at the Mall. Yer choice.

    Robin: What were your dates again?

    Erik: We'll let you know when the project queues up.

    Jeff
    Jeff, do it right. you don't want to screw something up because you wanted to save some time. I do know it is a pain, but...
    Yes I think that you can slide the tranny off, but it will be a major pain to put it back like that. Personnaly I wouldn't. I would drop it all and get the engine out. Tell us how it goes.
    '85 Euro 635csi Race Turbo, megasquirt, Group A
    '92 525i Touring 5 speed, 3.46 diff, UUC 8.5lb flywheel, soon to be turbo.
    '02 Subaru WRX Wagon with STI springs, bigger sway bars

  8. #8
    Join Date
    Dec 2003
    Posts
    1,640

    Default No much to say really...

    Basically been hoarding up parts and having some discussions with the machinist about how to approach the bore out. The guy doing the work is well respected by the the local bimmer racers as *the* engine builder to work with.

    The big issue really has been to sort a good approach to do the overbore on the block. Cutting out 3mm is no trivial matter it seems and he's been sort of vetting out the process. He just finished another M30 overbore project and he's going to update his appoach a bit based on what he's learned. I'm sort of letting him set some of the pace as opposed to driving the project. He's had several discussions with Jim Rowe on specs, approachs, bores finishes etc and he's now ready to go. I'm looking to have the shortblock back sometime in the 3rd week of July.

    Kidlet Kyler has slowed things down a bit as well; just not quite the spare time these days. Sure you are more than aware of that.

    We may be ready to go about the time you are in town. If not, you can come over an ogle at a shiny engine and have a beer.



    Quote Originally Posted by Robin-535im
    You've been surprisingly quiet about the project lately... I was wondering when you'd be posting 1/4 mile times!

    Geez - now I really will have to come out there for the wedding (friend getting married on the 30th in Seattle).

    I have no experience with this operation on this car, but it might be worth it to drop the exhaust, DS and tranny just to be sure. Should only add an hour or two to the job, but it's nice to have extra room. Or rather, it really sucks to *almost* get it out then have to rush and pull the tranny while Martin patiently holds the engine up with his bare hands.

    Nowadays I tend to remove too many things than remove too few because I really hate trying to squeeze things out that just barely don't fit, whereas if I took the time to take out the extra parts the whole job would have been a breeze.

    Let us know how it goes together!!
    Bellevue WA
    90 535iM - not much stock remains. 3.7 liters, ported head, cammed, 3.73 diffy, M5 brakes, MAFed, yadda yadda yadda
    86 Porsche 951 - Track Toy

  9. #9
    Join Date
    Mar 2005
    Location
    Renton,WA
    Posts
    87

    Default

    Great, should be fun!

    Erik
    __________________

  10. #10
    Join Date
    Apr 2004
    Posts
    517

    Default

    why can't you drop engine and trans out the bottom like the factory installs it? Works for 2002s.

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