Magneti Marelli BKL 3B | FerrariChat

Magneti Marelli BKL 3B

Discussion in 'Technical Q&A' started by Shamile, Jul 8, 2008.

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  1. Shamile

    Shamile F1 Veteran

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    Dear Ferraristi,

    Does anyone know a good source for a Magnetti Marelli BKL 3B module that sits on top of the coil on my 91 Testarossa?


    Yeah, it was quite a story to get to be able to ask this question. :D

    Here's my story.....

    http://www.ferrarichat.com/forum/showthread.php?p=137852562#post137852562


    I would appreciate any assistance :)



    Shamile

    Freeze....Miami Vice !
     
  2. britalian

    britalian Karting

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  3. Shamile

    Shamile F1 Veteran

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    Oh sure....now I get the link.

    Well, with the help of Norwoods Performance, he led me to your website anyway. I ordered it from y'all ( Serio was great help )and just got it.

    Put it in my TR today and all 12 cylinders firing! ....yeah, Freeze...Miami Vice !


    Shamile

    Freeze...Miami Vice !
     
  4. tbakowsky

    tbakowsky F1 World Champ Consultant Professional Ferrari Technician

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    For the future, Trutlands has them in stock, $126 bucks. I keep the damn things on the shelf.
     
  5. uzz32soarer

    uzz32soarer F1 Rookie

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    How come Rutlands are so cheap for these when Riccambi list them at well over $800 USD.

    369 GBP out of Eurospares, but if Rutlands has then at $126.00 then I'll put two in mine and it should be all sorted. Can anyone verify this price please.
     
  6. uzz32soarer

    uzz32soarer F1 Rookie

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    Seems there are two numbers for the coils.

    Mine is a 1988.5 UK car with no cats and KE Jetronic / No lambda sensors.

    The numbers appear to be 124273, yet T Rutlands lists the following:

    124273M for Testarossa 1985 - 1991 @ $154.65

    but they also list:

    124273 for 1985-1991 Testarossa to Assy. #82964 @ $651.98

    Can anyone please shed some light on the difference between these two units, apart from the obvious $500 bucks!
     
  7. uzz32soarer

    uzz32soarer F1 Rookie

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    It's okay, I was having a weak moment. Seems it's the module only.

    Righto,

    I've been having similar issues to Shamile. Car dies for a few seconds then it's okay again. Yesterday I ran for about five miles before it came good. I was sure it was fuel pump issues, but then it sorted itself out again. Makes it hard to diagnose.

    Tonight after fitting the new oil cooler fans I took it to the video store to warm up and make the fans run. Came home and left it idling, and wham, dropped one bank while I was standing there. Great.

    I took leads off drivers side (RHD) coil and no difference. Took leads off pass side coil and it would't run at all. So, problem solved, I have a coil issue.

    So I look for a new coil. OMG - over $1000 Ozzie. Merry Bloody Christmas I'm thinking.

    Then I start locating old threads (search is your friend) and stumble upon Shamilles issues and also the Rutlands thread.

    Is there some way to test the coil and/or module to verify that the module has failed and that the coil is okay?

    Was this module used on other cars, Alphas, Fiats etc, as I may be able to source a part locally down here in Melbourne if it was used on anything else?
     
  8. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ Lifetime Rossa

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    Yes, if your TR is a F113B engine, you can use the fact that the fuel pumps will run only if the 7/12 bank ignition is working (which closes the tachometric relay - which closes the fuel pump relays - which run the fuel pumps) -- i.e.,

    If the 1-6 bank ignition stops working, but the engine stays running on the 7-12 bank:
    Swap only the modules -- if the engine now dies completely = bad module (that you just moved to the 7/12 side); if the symptom stays the same = bad coil on the 1-6 side (or some other 1-6 issue).

    and similarly,

    If the engine dies completely:
    Swap only the modules -- if the 1-6 bank ignition stops working, but the engine now stays running on the 7-12 bank = bad module (that you just moved to the 1-6 bank); if the engine still dies completely = bad 7-12 coil (or some other 7-12 issue).

    Two hints:

    1. Label the components before you start swapping them around -- very easy to mix up who's who, and

    2. get some fresh thermal heat sink compound to put on the underside of the modules -- yours will probably be pretty dried up/hardened/not fresh.
     
  9. uzz32soarer

    uzz32soarer F1 Rookie

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    Is that the same white goo that goes under a CPU in a home PC?

    Where do you normally get that stuff?
     
  10. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ Lifetime Rossa

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    Last edited: Dec 27, 2008
  11. tbakowsky

    tbakowsky F1 World Champ Consultant Professional Ferrari Technician

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    The higher prices quoted are for the module and coil assembly, complete with heat sinc. The module themseleves fit a number of cars. I think there is a Bosch number cross over but I haven't had the chance to look into it.
     
  12. uzz32soarer

    uzz32soarer F1 Rookie

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    Dragging up an old thread.

    At the time of the previous I replaced my 1-6 module with a second hand replacement part. Yesterday I fired up the old girl to go for a drive and she's running on 6, so I pulled the plug out of 1 - 6 side and no difference, so I figure the second hand part didn't last very long.

    I plugged it all back in, wiggled a few wires around and started it again and it came up on 12. So off I go on the drive. Later in the day I'm a long way from home and fire it up outside a coffee shop, 1 - 6 is dead again.

    I had taken a spare with me so I changed this on the side of the road and then fired it up again, still dead on 1 - 6 bank. Nothing I could do so I decide to limp home.

    I basically idled the car in first gear for three hundred meters out of the car park, and just as I was turning onto the main road, whoosh, she fires the 1 - 6 bank and ran perfectly all the way home.

    I thought changing the module would have been an immediate effect, not take a few minutes to start working.

    Any ideas on this blokes or is it time to start looking for a replacement coil?
     
  13. maurice70

    maurice70 F1 Rookie

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