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Thread: Real time help needed asap spark plug boot resistance

  1. #1
    Join Date
    Feb 2012
    Location
    Southern Ontario
    Posts
    176
    My Cars
    93 850Ci, 11 328xi

    Real time help needed asap spark plug boot resistance

    I ve damaged 2 spark plug boots, they can't be re-crimped, NGK has a boot, PART #8386 for a 14MM plug, with 5K ohm resistance...

    This resistance is critical correct? Sorry for the urgency i'm trying to order before a deadline today.....

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    41,327
    My Cars
    11/88 E32 750iL+98 E36M3
    original is
    spark plug ends 5.0+/- 10% kohm
    shielded plugs 1.0 +/- 20% kohm
    spark plug wires 0 ohm (approx.)

    so it should fit Ohm-wise, but no idea how it is connected to the wire https://www.ngk.com/product.aspx?zpid=20084
    Last edited by shogun; 09-13-2017 at 07:09 PM.
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  3. #3
    Join Date
    Feb 2012
    Location
    Southern Ontario
    Posts
    176
    My Cars
    93 850Ci, 11 328xi
    They screw on, then a seal slides down and locks onto the holder...they are a bit shorter, but will get me through until I order wires to match the others, there are only a few more weeks of driving left up here, i'm trying to get it running for the weekend...

  4. #4
    Join Date
    Jan 2005
    Location
    Japan
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    41,327
    My Cars
    11/88 E32 750iL+98 E36M3
    sounds good, let us know how it works and make some pics how to assemble.
    Edit: found a youtube DIY for a similar NGK boot https://www.youtube.com/watch?v=UUcfzpM8aa8
    Last edited by shogun; 09-14-2017 at 02:58 AM.
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  5. #5
    Join Date
    Feb 2012
    Location
    Southern Ontario
    Posts
    176
    My Cars
    93 850Ci, 11 328xi
    fail....ordered the wrong boots, the 8386 goes onto a plug with the threaded tip, not the snap stud...on the NGK the stud dos not unscrew....trying to order the correct boot now....
    Last edited by Sundancer; 09-15-2017 at 05:03 PM.

  6. #6
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    41,327
    My Cars
    11/88 E32 750iL+98 E36M3
    Will send out to you within 1 hour from now by EMS 3 ignition leads with lengths 85cm, 77cm, 60cm, should arrive within approx. 4 days.
    based on this pic http://www.meeknet.co.uk/E32/V12_Distributor_Leads.htm
    Last edited by shogun; 09-16-2017 at 08:19 PM.
    SHOGUN'S TRICKS AND TIPS FOR THE SEVEN SERIES
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  7. #7
    Join Date
    Feb 2012
    Location
    Southern Ontario
    Posts
    176
    My Cars
    93 850Ci, 11 328xi
    I changed one plug to test the fit of the boots, fail...the inner seal is too large to fit inside the M70 recess...soooooo quick email to shogun, he had wires on the way within 30 minutes: )

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