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Thread: Steel/Aluminium lower control arms - Compatible?

  1. #1
    Join Date
    Oct 2004
    Posts
    9

    Default Steel/Aluminium lower control arms - Compatible?

    My 1994 E34 525i has the aluminium lower arms but can I fit replacement steel ones?

    Yeah I know the aluminium ones are lighter and therefore better but I've spent soooo much recently on the car, I need to save some cash!

    So are they interchangeable?

    Thanks guys :-)

  2. #2
    Join Date
    Jun 2005
    Location
    Los Angeles
    Posts
    61

    Default

    I think BMA has steel contorl arms...http://catalog.bmaparts.com/index.html

  3. #3
    Join Date
    May 2005
    Location
    SUFFOLK,ENGLAND,GREAT BRITAIN
    Posts
    30

    Default

    Quote Originally Posted by UK E34
    My 1994 E34 525i has the aluminium lower arms but can I fit replacement steel ones?

    Yeah I know the aluminium ones are lighter and therefore better but I've spent soooo much recently on the car, I need to save some cash!

    So are they interchangeable?

    Thanks guys :-)
    Looked into the alu/steel thing myself recently , GSF sell good quality alu for 57+vat and go down to 30ish for italian steel. ECP have quality alu for 58+vat but they also do an cheap alu at 34+vat.

    All these prices are a good deal better than the dealer, often quality from GSF means lemforder so it probably is worth the small difference. However I have heard people saying they have swapped steel and alu so they probably are compatible ,but dont hold me to that.

    Personally I would go with GSF alu, put thats probably down to my own predjudices against ECP and bad experience with ultra cheap stuff from anyone.

    Ian


    Ian

  4. #4
    Join Date
    Oct 2004
    Posts
    9

    Default

    Yeah I was looking to get the GSF "Alternative Quality" steel ones, as they're significantly cheaper when you're buying a pair, provided they fit OK.

    I think the ally arms are a common upgrade for those with the steel arms, so the reverse must be true?

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