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What is everyone Cleaning DCI's with?

Discussion in 'BMW General' started by NoGuru, Apr 2, 2018.

  1. NoGuru

    NoGuru Corporal

    Messages:
    157
    Location:
    Just North of Detroit
    Ride:
    BMW 335is
    Just curious what everyone is cleaning there DCI's with?
    I have Burger Motorsports DCI's.
    I see there is lots of options for the cleaning kits.
     
  2. mxfreestyle

    mxfreestyle Private

    Messages:
    26
    I still have some K&N cleaning solution and oil that I have been using on my BMS filters. So far so good, just don’t over oil filters!!
     
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  3. tan_rich

    tan_rich Specialist

    Messages:
    74
    Ride:
    335is
    I second the K&N cleaning solution. I usually clean it with solution and leave it over night to dry. Just remember to plug up the intakes with a towel or something so nothing goes in while the intakes are off.
     
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  4. mxfreestyle

    mxfreestyle Private

    Messages:
    26
    Yes defiantly make sure you put clean rags or shop towels in the intakes while your cleaning them. I clean mine a few times then let them dry fully in the sun and then oil and let the oil dry for a bit before bolting them back on.
     
  5. NoGuru

    NoGuru Corporal

    Messages:
    157
    Location:
    Just North of Detroit
    Ride:
    BMW 335is
    Okay, thanks guys, I will pickup the K&N kit.
     
  6. Nick6

    Nick6 New Member

    Messages:
    2
    Ride:
    '07 335i
    K&n cleaning kit. Easiest thing to find that does the job.
     
  7. don detta

    don detta Lurker

    Messages:
    23
    Location:
    Northern Virginia
    Ride:
    2009 E90 335i lci
    Some quick brake cleaner does the job real nice
     
  8. Rcboosted2007

    Rcboosted2007 Lieutenant

    Messages:
    650
    Location:
    Fresno ca
    Ride:
    07 335i
    Ive cleaned and oiled then pressurized to check air flow and they always perform bad after service. So i think it may be best to replace
     
  9. Rob09msport

    Rob09msport Lieutenant

    Messages:
    671
    Location:
    Monroe CT
    Ride:
    09 335i msport le mans 18 x5
    Anyone try the pro dry filters
     
  10. LessIsMore

    LessIsMore Specialist

    Messages:
    56
    Ride:
    09 535i
    ive started to wonder abt that. Also mine never actually come clean all the way. Using k&n kit.
     
  11. NoGuru

    NoGuru Corporal

    Messages:
    157
    Location:
    Just North of Detroit
    Ride:
    BMW 335is
    I used the K&N cleaning kit and they came out...okay. Probably best to replace them once a year or every other. I have a new set in boxes now.
     
  12. Rcboosted2007

    Rcboosted2007 Lieutenant

    Messages:
    650
    Location:
    Fresno ca
    Ride:
    07 335i
    Out of curiosity. Post filter service ,I attached a shop vac to the inside of the filter, and tested the sucking power.Without application of the oil. It was aweful. Then i reversed and blew air through it. It was extremely restrictive.It did not have enough flow to suck a ribbon off the ground, or blow it away when taped to the filter.The foam pipercross, did not have any flow issues.I currently use the SB 7” dual cone.I know its not a huge performance hinderance, but still interesting to note.
     
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  13. Crystalline

    Crystalline Lurker

    Messages:
    10
    Location:
    MA
    Ride:
    E90 335i
    I cleaned mine with a K&N kit this summer. I agree with everyone who said it just came out okay. It did not seem to be as good as when I first got them from BMS. After reading RCboosted's test result I think I'll replace them next spring.
     
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