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Thread: Fuel injectors leaking,options for changeout

  1. #1
    Join Date
    May 2014
    Location
    Aurora,Co
    Posts
    93
    My Cars
    1986 635csi 2001 530i

    Fuel injectors leaking,options for changeout

    I have had trouble with my 86 635 99,000 miles ,stock, NA model passing smog, have tried all the usual stuff, CTS, adjusting AFM, new O2 sensor,etc .Finally good mechanic put a borescope on it and discovered fuel injectors that are dripping even when car was off.I have done a fair amt of internet research on and off this board and actually haven't seen anything really recent on what to do.
    Choices seem to be:
    1.New Bosch injectors, way too pricey and I'm not sure if the technology is up to date.
    2.Rebuilt injectors, several advertisers say they have rebuilt ones that they have tested and the price is 1/3 the price of new Bosch.
    3.Mustang ( Ford ) injectors have been mentioned but I need a part number.

    Has anybody changed theirs lately and what were the results.
    Thanks,
    Jim

  2. #2
    Join Date
    Feb 2007
    Location
    Colorado
    Posts
    2,760
    My Cars
    E28s
    Fuel Injector Connection in GA or Witch Hunter Performance in WA can service your injectors for about $22 each. Unless the pintle and / or seat are bad enough to prohibit reusing the injector, they will come back looking and working like new. I've had some done including a ~200,000 mile set from a 944 Turbo that turned out great.
    '88 528e /// '88 M5 /// '89 951 /// '98 E430 /// '02 M5

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