Gary's Avus Blau 3.0CS rebuild

Discussion in 'E9 Projects and Restorations' started by m5bb, Jan 28, 2019.

  1. m5bb

    m5bb Well-Known Member Site Donor $

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    Here's a problem I encountered that some others may find as well.
    The crappy plastic fender grills.
    When removed 3 years ago, the posts break off. BMW uses a rubber donut shapped washer that pushes on the post that goes through the metal fender and that holds the grill on the car.
    So 2 relatively new grills were trash.
    I thought about this and remembered my model train days when I would buy brass tubing from the hobby store. I had some around and was lucky I had the correct size to push on the posts and make them long enough to have some post on the inside of the fender to attach the rubber washers to. NOT, the BMW rubber washers have a spring steel disk inside them with the one-way teeth.
    Push it on and it ain't coming off. That's why the posts break. I tried to drill the metal disk hole to a bigger size but the spring steel does not drill easily and the one way teeth catch on the drill bit and then it tares out of the rubber washer.
    So once I got the brass rod on there, it was how was I going to hold them on. How about a washer and a tiny rubber o-ring. It took a good deal of effort to get this o-ring on the post so I am pretty confident it will stay. I will monitor after some miles.
    I thought about putting threaded rod in the grills but was afraid they would break.
    So here's a couple photos to explain this too complicated explanation. As a career photographer a photo is worth a 1000 words. Enough said.
     

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    Last edited: Feb 9, 2019
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  2. m5bb

    m5bb Well-Known Member Site Donor $

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    Here's a photo from over a year ago. I see why I had trouble fitting the chrome outside piece next to the window. It was straight but a little too close to the glass. It's good now.
     

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  3. bert35csi

    bert35csi Well-Known Member Site Donor

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    Wow!!! It’ll be perfection when completely done.
     
  4. m5bb

    m5bb Well-Known Member Site Donor $

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    Wiring details.
    All waterproof connectors.
    Relay sockets get injected with dielectric grease which effectively seals them from moisture.
    All connections are butt, spade or ring connectors that are crimped and then have heat shrink tubing over them.
    This is the way the race teams do their cars.

    I have a 12 volt power supply I use to test wiring. It's great because it's not heavy and no battery acid. It has circuit protection so if you hook it up to something and there is a direct short it shuts off.
    So today I wanted to test the window motors and I was getting nothing. What? Oh, that's right I have to turn on the key. But it didn't happen that quickly........... big laugh on me.
     

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  5. Stan

    Stan Well-Known Member

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    great attention to detail
     
  6. Markos

    Markos Well-Known Procrastinator Staff Member Site Donor $$

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    Agreed! I have one also and use it all the time. They are extremely useful and safe. I actually bought it to power DIY plating processes, but so far it has all been for testing and diagnostics.
     
  7. Markos

    Markos Well-Known Procrastinator Staff Member Site Donor $$

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    Hi Gary,

    Who did the coolant neck modification for your triple 45 setup? Thanks!
     
  8. m5bb

    m5bb Well-Known Member Site Donor $

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    A local fab guy I know. He's good.
    Funny, that's so long ago I had forgotten about it.
     
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  9. m5bb

    m5bb Well-Known Member Site Donor $

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    I walk by this every day to work on the body. One tends to be oblivious to it but today I took all the extraneous parts off of it and took a couple photos.
    Still working on the valve cover but the motor is ready to goooooooooooo.
     

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  10. autokunst

    autokunst Well-Known Member Site Donor $$

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    Beautiful!
     
  11. Stevehose

    Stevehose Well-Known Member Site Donor $

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    A monster engine!
     
  12. Luis A.

    Luis A. Well-Known Member

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    Hey Gary, looking good. Are you keeping that blue scotch lok connector under the relay? They can be bad news... why not just use a butt connector of the right size to connect all three wire ends together...?
     
  13. m5bb

    m5bb Well-Known Member Site Donor $

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    No Luis, all the connectors are going to butt, spade or ring connectors with heat shrink tubing. I even see a few on the engine block to change. If you're looking you can see most of those connections in the engine bay photo have already been changed. Probably didn't see the one under the relay.......... yet. All the connections are race grade or better. Found some more scotch loks under the dash today. PO really liked those things.
     

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