Fixing rear Rust for track use

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  • Earendil
    E30 Mastermind
    • Jun 2009
    • 1662

    #1

    Fixing rear Rust for track use

    Hello ladies and gentlemen!

    I have a 1989 325i in need of some cosmetic/body fixing, but there is a twist.

    The story: 3 years ago while at Uni I stuck 3 large 6foot men in the back seat of my E30, I then proceeded to back into the bumper of a LandRover in a dark parking lot :loco:
    The land rover had just pulled into the spot behind me, and was unharmed. E30 was quite harmed. The rear corner was smashed in at taillight level. Bumper was unharmed, Trunk lid was unharmed. That was the last time I put that much bulk between my rear view mirror and rear window :roll:

    Being at Uni, my fix was a hammer, a small piece of 2x4 wood, and a tail light assembly from a junk yard. This worked *just* well enough for the tail light to attach, and the trunk lid to shut. Three years later I now have rust on the outside, and rust on the inside around the battery grounding point and below the battery.

    I have since replaced the car as a daily driver, and do not need it to look good, because here is the twist I mentioned: I only need it to be track worthy.

    The question is, what is the minimum I need to do (or likely: have done for me) to make the car: Safe, track worthy, and not cause future heartache?

    The intended goal for the car is to serve as something to get me out on the track and learning. Over the next 3 years I'll increase my experience and slowly modify the car but also stay PRO-3 legal. If in 3-4 years I have a PRO-3 car and have the experience, I'll go for it.

    In the mean time, I can only guess that tracks don't want to see rusty cars. And it certainly isn't a rust bucket. That point is the only rust point I'm aware* of on the car.

    Thoughts? Anyone have an idea what a hack job for a rear fender would cost me? Any way to mitigate the cost?

    Thanks everyone for any hints or tips you can provide!

    Cheers,
    Earendil


    *aware of: The carpet and floor insulation comes out this spring. That'll be the real test.
    -------------------------------------------------
    1989 - E30 - M20B25 - Manual. Approx 300,000+ miles - Track Rat & Weekend Fun
    2000 - E46 - M52TUB28 - Manual. Approx 130,000 miles - [not so] Daily Driver

    sigpic

    I'm looking for a Lachssilber Passenger Fender and Hood. PM if you have one or both to sell!
  • Earendil
    E30 Mastermind
    • Jun 2009
    • 1662

    #2
    No advice, aye?
    -------------------------------------------------
    1989 - E30 - M20B25 - Manual. Approx 300,000+ miles - Track Rat & Weekend Fun
    2000 - E46 - M52TUB28 - Manual. Approx 130,000 miles - [not so] Daily Driver

    sigpic

    I'm looking for a Lachssilber Passenger Fender and Hood. PM if you have one or both to sell!

    Comment

    • xwill112x
      Θέλησα έναν τίτλο συνήθειας, απορροφώ για να είμ&#
      • Jan 2009
      • 4236

      #3
      if its a track car...who cares?
      sigpic

      Comment

      • Earendil
        E30 Mastermind
        • Jun 2009
        • 1662

        #4
        Originally posted by xwill112x
        if its a track car...who cares?

        And I suppose that's what I want to know. Even if not leaking fuids, and nothing is falling of the car, how dilapidated can a car be with rust before it starts failing inspections? How fast and damaging can rust be? I have no real experience.
        If a few more years means a few more square inches of sheet metal on the outside, no big deal. If I'm risking the cars structure, that is :)
        -------------------------------------------------
        1989 - E30 - M20B25 - Manual. Approx 300,000+ miles - Track Rat & Weekend Fun
        2000 - E46 - M52TUB28 - Manual. Approx 130,000 miles - [not so] Daily Driver

        sigpic

        I'm looking for a Lachssilber Passenger Fender and Hood. PM if you have one or both to sell!

        Comment

        • straight6pwr
          No R3VLimiter
          • Sep 2004
          • 3450

          #5
          rust on the rear fender/battery tray area? years before that gets anywhere near structural damage, a shorter amount of time before you may have to move your battery. however it will spread and the faster you can fix it (even a quick fix) the better.

          Comment

          • Earendil
            E30 Mastermind
            • Jun 2009
            • 1662

            #6
            Originally posted by straight6pwr
            rust on the rear fender/battery tray area? years before that gets anywhere near structural damage, a shorter amount of time before you may have to move your battery. however it will spread and the faster you can fix it (even a quick fix) the better.
            What constitutes a quick fix? Cut out the rusted areas and weld in some sheet metal?

            I can rebuild an M20 head, but I don't know the smallest thing about body work. It's what happens when 100% of ones mechanical information comes from internet forums and DIY articles :???:
            -------------------------------------------------
            1989 - E30 - M20B25 - Manual. Approx 300,000+ miles - Track Rat & Weekend Fun
            2000 - E46 - M52TUB28 - Manual. Approx 130,000 miles - [not so] Daily Driver

            sigpic

            I'm looking for a Lachssilber Passenger Fender and Hood. PM if you have one or both to sell!

            Comment

            • straight6pwr
              No R3VLimiter
              • Sep 2004
              • 3450

              #7
              Originally posted by Earendil
              What constitutes a quick fix? Cut out the rusted areas and weld in some sheet metal?

              I can rebuild an M20 head, but I don't know the smallest thing about body work. It's what happens when 100% of ones mechanical information comes from internet forums and DIY articles :???:
              yes i would consider cut/weld/spray bomb the quick fix. making it look like stock again is the hard part best done by a professional.

              Comment

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