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Definitive list of vacuum lines / diagram? Late model M20

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    Definitive list of vacuum lines / diagram? Late model M20

    Looking to replace all of the vacuum lines in the engine bay... here is what I have so far:
    • valve cover to the throttle body
    • throttle body to the Idle Control Valve
    • hoses from throttle body to the brake booster
    • throttle body to the EVAP control valve
    • intake manifold to the FPR

    Am I missing anything? How many meters should I need to purchase to do all of these lines?
    JP
    WTB: Z3 1.9 lever, plastic bumpers, 19# injectors, Anthracite Cloth Sport Seats


    Current
    88 325 super eta
    00 528i/5 (daily)
    02 530iA sport

    Former
    04 525iA sport
    87 325is
    91 325i
    97 528i

    #2
    you're missing purge valve to charcoal canister.

    only the last two are generic vac line; the first two are molded rubber parts and the brake booster line is its own special thing.
    cars beep boop

    Comment


      #3
      Originally posted by kronus View Post
      you're missing purge valve to charcoal canister.

      only the last two are generic vac line; the first two are molded rubber parts and the brake booster line is its own special thing.
      Thank you!
      JP
      WTB: Z3 1.9 lever, plastic bumpers, 19# injectors, Anthracite Cloth Sport Seats


      Current
      88 325 super eta
      00 528i/5 (daily)
      02 530iA sport

      Former
      04 525iA sport
      87 325is
      91 325i
      97 528i

      Comment


        #4
        If your car is all original, you will also need hose clamps or a special tool to reuse the factory clamps.
        Jon (OO=[][]=OO)
        1992 325ic white, stock with a 5-speed swap
        Palm Beach County

        Comment


          #5
          Originally posted by jgilber0 View Post
          If your car is all original, you will also need hose clamps or a special tool to reuse the factory clamps.
          good call -- yeah they all still have the one time use clamps
          JP
          WTB: Z3 1.9 lever, plastic bumpers, 19# injectors, Anthracite Cloth Sport Seats


          Current
          88 325 super eta
          00 528i/5 (daily)
          02 530iA sport

          Former
          04 525iA sport
          87 325is
          91 325i
          97 528i

          Comment


            #6
            Just ordered the line for the brake booster and it about a meter long and costs about 20 bucks, not cheap but more than enough. Take pictures and don’t screw up like I did. I flipped the hoses coming of the TB to the brake booster and the had to cut off hose I just made because the stupid fittings wouldn’t let go. Still have about 10 inches of hose left over.


            '08 E90 328i Sport '04 E53 3.0 '02 E46 325i Sport '91 E30 325ic M-Technic

            Comment

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