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Thread: Rust spot on C pillar. Any fixes?

  1. #1
    Join Date
    May 2019
    Location
    Gold Coast, Australia
    Posts
    10
    My Cars
    1988 BMW 730i

    Rust spot on C pillar. Any fixes?

    Hi all,

    I have a 1988 730i here in Australia. So far its done 289,000 kms and still running strong. However, there is a small rust spot that has existed for quite a while on the base of the C pillar, and i am wondering if there is any fix i can do to remove it? Its really not that big, only about 5 cm in length and its the only one on the entire car. However, I'd better get rid of it soon as i don't want it to spread throughout the rest of the body. Either way, I am going to professionally respray the entire car in a couple of months time.Will the company who respray the car be able to remove the rust, or i'd need to do it my self? I will attach a picture of what it looks like.

    https://imgur.com/msMV3FA

    https://imgur.com/KWNl6i0

    Any help will be appreciated!

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    54,654
    My Cars
    11/88 E32 750iL+98 E36M3
    I assume you will find more rust there when you remove the decorative frame from the rear window http://bmwfans.info/parts-catalog/E3...ounting_parts/
    To re-install the frame you need new clamps item 1 and window sealer
    Shogun tricks and tips for the E32 series are HERE!

  3. #3
    Join Date
    Feb 2008
    Location
    Nashville, Tennessee
    Posts
    2,229
    My Cars
    1978 635Csi, 1988 735iM
    I hate to say it but more than likely the window needs to come out to fix it properly. The question I have is how did it start, it doesn’t look to be rusting from the inside out. Which means you can grind down the area once the window is out, treat the bare metal and use a good epoxy primer and fade in some color and clear.

    Getting the window out without breaking it is the challenge but if you get the proper tool (just google window removal tools) it’s not impossible. I pulled one from a car in a junkyard taking my time which was about an hour.





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