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    #1

    Sealed boot

    Hi everyone
    I have a 1990 325i, with a boot that is totally sealed - no ski flap, and a compression tank at the back of the boot.
    Is it at all possible or advisable to run a sub in the boot without having to cut any metal and put any ports?
    I am really keen on installing a sub, but really apprehensive about cutting any metal.
    Thanks for any advice
    Tags: None
    #2
    Originally posted by Rushiel325 View Post
    Hi everyone
    I have a 1990 325i, with a boot that is totally sealed - no ski flap, and a compression tank at the back of the boot.
    Is it at all possible or advisable to run a sub in the boot without having to cut any metal and put any ports?
    I am really keen on installing a sub, but really apprehensive about cutting any metal.
    Thanks for any advice

    If you want to rattle your trunk and have 0 bass on the inside- go for it.
    '96 328is
    '97 m3
    '04 zhp

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      #3
      So i'll get absolutely no bass? Have a ported box

      Comment

        #4
        It will be loud in the trunk. I'd make a cut out where the armrest would have been and make a sealed box airtight against it.
        '96 328is
        '97 m3
        '04 zhp

        Comment

          #5
          I think you'll find that if you decide to make a cut out you will actually be able to just 'tap' out the ski hole section of steel as in the E30's I've seen it's only been held in place by a few tack/spot welds.

          It's fairly easy to remove, but you will need to remove the rear seat base and back to gain access to this point. I'd suggest using a coal chisel if possible also. This will create the least damage to the panel.
          My Garage :- www.cardomain.com/id/bmwturbo

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            #6
            Wait, why do you have an air tank in your boot?
            My 2.9L Build!

            Originally posted by Ernest Hemingway
            There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

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              #7
              Thanks for all the advise guys - but found out that that is abtually a 20 litre fuel tank at the back of my boot? There is a 55 litre on under the back seat and 20 litre one at the back of the boot.
              Not sure if this is an international standard - my car is a South African e30 (not sure if they made it here back then).
              So thats obviously something i can't remove...
              People have also suggested drilling ports into the parcel shelf....

              Comment

                #8
                Alpina used to makr these for e28, maybe they did for e30 and you have one of those?
                '96 328is
                '97 m3
                '04 zhp

                Comment

                  #9
                  I think they did - because on the South African forums - they say that all right-hand drive 325i's have that extra tank at the back of the boot..
                  Thats going to be a huge problem for a sub :-(

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