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The Iridium BKR6EIX's

S3 Dave Aug 1, 2009

  1. S3 Dave

    S3 Dave Now running on Heavy Oil

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    Has anyone used these plugs?? They are cheaper than the Standard plug........ Any thoughts recommendations? Can't believe there is not a sticky for plugs. :)
     
  2. audiss3

    audiss3 New Member

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    i'd be interested in seeing what the recommendations for plugs are too. Should we just stick with OEM for S3's or is there another make(s) that members would recommend?
     
  3. LiveWire

    LiveWire S3X

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    I recently changed the plugs in my car, I bought a set of Bosche super 4's from halfrauds and when they were fitted my Idle was erratic, I called Halfrauds and told them the problem and they told me to bring them back and get a refund.

    So I orderd a set of iridiums and fitted them and the car then idled fine, I discussed this with my local VW specialist and they said bosche super 4's arnt good for turbo engine's (I cant understand why) and they also recomended the Iridiums...

    So I give these plugs the :thumbsup:
     
  4. audiss3

    audiss3 New Member

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    I have just gone onto the NGKFinders website and found the plug PFR6Q6458. Does anyone know if this is the same plug used at Audi main dealers as it seems to be about £15 cheaper for a set of 4 from ebay?
     
  5. fingermouse

    fingermouse thats me

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    I have those NGK PFR6Q6458 in my S3 seem ok to me :) got mine from GSF
     
  6. S3 Dave

    S3 Dave Now running on Heavy Oil

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    Funnily enough i have been running Bosch super 4's for about 3 years without a problem. Just wanted to give these others a try. Supposed to be good for 100,000 miles. Always a varied response when it comes to plugs. :uhm::keule:
     
  7. LiveWire

    LiveWire S3X

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    I guess one of the plugs could have been "bad", from the factory..
     
  8. Keeno

    Keeno Spooly Spooly Boosty Boosty!

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    According to the Denso rep, they've never had a plug go wrong due to manufacturing error. (Apparantly all returned faulty plugd are sent back to japan for tests)
    Also, iridiums boast a power boost of 3-4 bhp in well tuned motors....

    ...good enough for me! :)
     
  9. banoffee

    banoffee Member

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    got them in mine too, from ebay (searched for PFR6Q)
     
  10. RichA3Turbo

    RichA3Turbo ...Watching you! Staff Member Moderator

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    I am running the BKR6EIXs and they work very well. I was running Denso Iridium IK20s before that and when the engine got hot, the spark was getting blown out under full boost. This was due to the 1.1mm gap that the IK20 use. The BKR6EIX uses a 0.8mm gap which has eliminated my problem... THey work well
     
  11. banoffee

    banoffee Member

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  12. RichA3Turbo

    RichA3Turbo ...Watching you! Staff Member Moderator

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    Yep it is but some of the iridium plugs are larger which in theory should be fine, but when you get into higher output, it makes a bigger difference. i only foudn the cause of my problem looking at supra forums. Caused high RPM high boost misfires...was a pain in the arse!
     

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