Page 5 of 5 FirstFirst 12345
Results 101 to 117 of 117

Thread: 1972-1981 (E12) knowledge base

  1. #101
    Join Date
    Jul 2016
    Location
    Vanderbijlpark, ZA
    Posts
    178
    My Cars
    '99 Z3 2.8 Roadster
    My 518i got stolen on Thursday, so unless I get it back in a salvageable condition I won't be able to do much in the thread anymore. I'll still lurk and help where possible though.

  2. #102
    Join Date
    Nov 2016
    Location
    Texas
    Posts
    3
    My Cars
    1977 BMW 530i
    Hi I was wonderering if you happen to know the location for the crank sensor on a 1977 BMW 530i (e12)?

  3. #103
    Join Date
    Jul 2016
    Location
    Vanderbijlpark, ZA
    Posts
    178
    My Cars
    '99 Z3 2.8 Roadster
    Welcome.

    Unfortunately I don't know those engines. The only BMW engine I have experience with is the M10.

  4. #104
    Join Date
    Feb 2014
    Location
    California
    Posts
    282
    My Cars
    BMW 325i

    1972 To 1981 1st Generation E12 BMW 5 Series History

    1972 To 1981 1st Generation E12 BMW 5 Series History



  5. #105
    Join Date
    May 2017
    Location
    newcastle nsw australia 2
    Posts
    2
    My Cars
    1981 e12 528i 1996 m528i
    glad someone can help me i have been posesed with bmw and have a e12 1981 and two 1995 e28 528s so will be needing help soon

  6. #106
    Join Date
    Jul 2016
    Location
    Vanderbijlpark, ZA
    Posts
    178
    My Cars
    '99 Z3 2.8 Roadster
    Welcome, feel free to ask away.

    I'm not sure how many people are still here in 2017, but I'll always try to help where possible.
    Last edited by JKuhn; 05-28-2017 at 11:15 AM.
    1999 BMW Z3 2.8 Roadster - show project
    1970 VW 411L Auto - show/restoration project (sold)
    1982 BMW 518i E12/8 - stolen
    1987 Mazda 323 1.5 SL - daily driver, backup show car

  7. #107
    Join Date
    Jan 2004
    Location
    WA
    Posts
    34
    My Cars
    1975 530i 4 speed
    Quote Originally Posted by Ialcantare12 View Post
    Hi I was wonderering if you happen to know the location for the crank sensor on a 1977 BMW 530i (e12)?
    Here are some pages from the Haynes manual, p42 is for doing valve clearances.
    Attached Images Attached Images

  8. #108
    Join Date
    Jan 2004
    Location
    WA
    Posts
    34
    My Cars
    1975 530i 4 speed
    The video above shows e12 crash testing, and I have some real life pictures of a 1977 530i that got hit by a pickup I believe. A real life offset crash test.

    Also, the Folksam insurance company of Sweden gave the e12 5 series a top safety rating, one of the few classic cars to get this. Their data was based on 700,000 car accidents and 34,000 deaths. The Mercedes W123 and Volvo 244 got the same rating.





    Attached Images Attached Images

  9. #109
    Join Date
    Jul 2017
    Location
    Pitsburgh, PA
    Posts
    2
    My Cars
    1976 e12 530i
    Quote Originally Posted by JKuhn View Post
    Welcome, feel free to ask away.

    I'm not sure how many people are still here in 2017, but I'll always try to help where possible.
    Great to hear someone is active & knowlegable on the e12 chassis

    I have a project that I will most likely need some pointers on so thank you in advance !

    76
    530i
    4sp

  10. #110
    Join Date
    May 2017
    Location
    Brazil
    Posts
    5
    My Cars
    520 e12 '74
    Hello people, how are you?

    I've been searching around here for some intel around the diff from e12s and upgrades, but couldnt find what I was looking for.

    I've aquired a 1974 e12 (520) and Im swaping the engine for a M52tu25, which is going "ok" so far.

    My problem is that I was thinking on swaping my diff as well, that would give me a more modern structure, and probably help me with the rear brakes (mine are drums - and i want to put disks asap).

    Some people said that you could only do it with e28 rear axles, but here in Brazil we started the regular imports at tue e34/e36 gen.

    Do you believe its 'doable', and also prudent, to make a swap with and e36/e46 diff/rear axle?

    Sorry if this was already answered, but i trully looked and couldn't find anything

    Long live the e12!

  11. #111
    Join Date
    Jul 2016
    Location
    Vanderbijlpark, ZA
    Posts
    178
    My Cars
    '99 Z3 2.8 Roadster
    M52TU powered E12? I'm not normally one for such drastic conversions, but I'm sure it'll be a very nice car when you're done (power, economy and that classic E12 look and feel all in one package).

    I'm not sure what can be done without much modification, but here in ZA we did have the E12/8, which had the E28 suspension (I don't know about the rear drivetrain though). But would you really need the newer diff to get disc brakes? The way I see it you'll probably just need a custom propshaft, and maybe custom half shafts.

    Anyway, be sure to keep us posted!

    EDIT: Thinking about it, I'm not sure how easy it will be to convert to the newer E36/E46 rear suspension. The E36 has multilink (unsure about E46), while the E12 has ancient semi trailing arm. I suspect it's going to be quite involving. Looking up, it looks like the E12 was not IRS, is that why you want to change?
    Last edited by JKuhn; 01-23-2018 at 11:10 AM.
    1999 BMW Z3 2.8 Roadster - show project
    1970 VW 411L Auto - show/restoration project (sold)
    1982 BMW 518i E12/8 - stolen
    1987 Mazda 323 1.5 SL - daily driver, backup show car

  12. #112
    Join Date
    May 2017
    Location
    Brazil
    Posts
    5
    My Cars
    520 e12 '74
    Thanks for the answer, and yes, the idea was to get a real smooth, nice going daily drive - not keeping the fun aside

    The brakes arent the problem, i believe we can just replace the drum system with discs, the e12 had models with it,but my concerne is around safety and suspensions upgrades.

    My idea is to have this car all "modernized" in the mechanical sense, but keeping the classic interior and exterior (i will just make classic upgrades, very close to the looks of an M535 e12).

    Soon enough i will post some pics of the process )

    Do you believe its not necessary this upgrade/adaptation?

    Thank you very much!

  13. #113
    Join Date
    Jul 2016
    Location
    Vanderbijlpark, ZA
    Posts
    178
    My Cars
    '99 Z3 2.8 Roadster
    I suppose it depends how you're going to drive. If you just want modern grunt, I wouldn't bother. But if you're planning to say "because racecar!" then it makes sense. The E12/8 I had wasn't a problem, but of course I didn't drive it hard.
    1999 BMW Z3 2.8 Roadster - show project
    1970 VW 411L Auto - show/restoration project (sold)
    1982 BMW 518i E12/8 - stolen
    1987 Mazda 323 1.5 SL - daily driver, backup show car

  14. #114
    Join Date
    May 2017
    Location
    Brazil
    Posts
    5
    My Cars
    520 e12 '74
    I dont plan to go to track with it, but its not impossible.

    My main objective is to grab a nice saturday and get on a good highway and drive it, not raaace, but hear some "exhaust" hahaha

    In the city, it will be very daily drive, we cant actually run a lot due to speedbumps, radars, and all that stuff.

    So i think it wouldnt be really necessary.

    In this line, there would be upgrades to make on the suspension? Like grabing something from an aftermarket company? Or an later model? Just the suspension, not the whole back.

  15. #115
    Join Date
    Jul 2016
    Location
    Vanderbijlpark, ZA
    Posts
    178
    My Cars
    '99 Z3 2.8 Roadster
    I'm honestly not 100% sure. Stiffer suspension should give more control, but you'll lose that soft 5er ride.

    I do know the true E12 was known for snap oversteer, and as I understand that was due to the stock suspension (and it was aparrantly adressed in the E28, so maybe that will help?).
    1999 BMW Z3 2.8 Roadster - show project
    1970 VW 411L Auto - show/restoration project (sold)
    1982 BMW 518i E12/8 - stolen
    1987 Mazda 323 1.5 SL - daily driver, backup show car

  16. #116
    Join Date
    Jan 2004
    Location
    WA
    Posts
    34
    My Cars
    1975 530i 4 speed
    My e12 has the 3.5 liter 218 hp engine, and the standard suspension is fine. I would keep the normal e12 suspension. It is very good and many have raced with the standard front MacPherson struts and rear semi trailing arms, including the 3.0 CSL Batmobile. Heck, the Chevy Camaro still had a live axle, no independent rear suspension, as late as 2002!!

    Certainly you could put rear discs from an e12 525/528i. I wouldn't bother upgrading to e28 rear suspension, although I know others have.

  17. #117
    Join Date
    May 2017
    Location
    Brazil
    Posts
    5
    My Cars
    520 e12 '74
    Thata good intel, thank you both

    As soon as i get some pictures, i will share the progress

Page 5 of 5 FirstFirst 12345

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •