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Thread: Ignition timing? Non Vanos E36

  1. #1
    Join Date
    Oct 2004
    Location
    Manchester, MA
    Posts
    68

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    Well it's been almost a year to the day that my exhaust to intake timing chain broke and bent all the intake valves. I have everything back together but she won't run right. Backfires and stumbles like the timing is off.

    I think I may know the problem, the cam sensor took a hit from the broken chain but I did not replace it. I wanted to see if it was going to run before spending yet more on the car.

    Before I buy a new cam sensor is there some other basic timing adjustment I am missing? Is the timing adjustable through the crank or cam angle sensor? On install I lined the cam sprockets up and used the official BMW cam locks and TDC pin. A traditional distributor engine or my RX7 requires that the distributor be installed in the correct orientation. Is there something like that I am missing?

    Thanks, Jamie
    Jamie Kekeisen
    86 ITS RX-7 NER
    92 325IS oops, blown up

  2. #2
    Join Date
    Oct 2004
    Location
    Manchester, MA
    Posts
    68

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    New cam sensor did it, runs great.

    Curious what the compression test results should be? Mine are all within 2 psi +- 210 psi, which seemed high for a stock motor with a fresh rebuild.

    jamie
    Jamie Kekeisen
    86 ITS RX-7 NER
    92 325IS oops, blown up

  3. #3
    Join Date
    Aug 2006
    Posts
    15

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    Backfires and stumbles like the timing is off.
    [/b]
    Don't let the ITAC know it's running like that. As far as BMW's are concerned, thats an "adder" according to the "process".

    WoooooooooHoooooooo................

    Ricky

  4. #4
    Join Date
    Oct 2004
    Location
    Manchester, MA
    Posts
    68

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    no worries, it's no longer going to be a racecar.
    Jamie Kekeisen
    86 ITS RX-7 NER
    92 325IS oops, blown up

  5. #5
    Join Date
    Dec 2001
    Location
    raleigh, nc, usa
    Posts
    5,252

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    If you will keess me on zee lips Rickee Bobbee, I will allow you to return to your troll cave unharmed............


    Shake and bake!

    I'm the magic man!
    NC Region
    1980 ITS Triumph TR8

  6. #6
    Join Date
    Mar 2002
    Location
    Black Rock, Ct
    Posts
    9,594

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    hey, he's up to 6 posts now, each one more Richard Cranium than the last. Makes you long for a Mattberg post!

    eer...kidding...(On the Mattberg part, that is...)

    And don't you mean BMW forum, not 'troll cave'?
    Jake Gulick


    CarriageHouse Motorsports
    for sale: 2003 Audi A4 Quattro, clean, serviced, dark green, auto, sunroof, tan leather with 75K miles.
    IT-7 #57 RX-7 race car
    Porsche 1973 911E street/fun car
    BMW 2003 M3 cab, sun car.
    GMC Sierra Tow Vehicle
    New England Region
    lateapex911(at)gmail(dot)com


  7. #7
    Join Date
    Dec 2001
    Location
    raleigh, nc, usa
    Posts
    5,252

    Default

    I actually think Matt B has good intentions, just delivered in such a wrong way that things go horrible awry......

    Azz to U, Rickee Bobbee, I will have yous know that I AM ZEE man, and all youz whinzee BEEMWEW drivers shall bow beefore my achievements. Men you are not! Whiners you iz!

    [Marshall/Taylor/Grafton/Dan/others -- please accept my apologies and understand this is a joke)
    NC Region
    1980 ITS Triumph TR8

  8. #8
    Join Date
    Aug 2006
    Posts
    15

    Default

    Guys, I'm not feeling the love here...

  9. #9
    Join Date
    Mar 2002
    Location
    Black Rock, Ct
    Posts
    9,594

    Default

    Jake Gulick


    CarriageHouse Motorsports
    for sale: 2003 Audi A4 Quattro, clean, serviced, dark green, auto, sunroof, tan leather with 75K miles.
    IT-7 #57 RX-7 race car
    Porsche 1973 911E street/fun car
    BMW 2003 M3 cab, sun car.
    GMC Sierra Tow Vehicle
    New England Region
    lateapex911(at)gmail(dot)com


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