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Thread: Hubcentric rings E39>E34.Does anybody have the exact.....

  1. #1
    Join Date
    Jan 2004
    Location
    Coromandel New Zealand
    Posts
    21

    Default Hubcentric rings E39>E34.Does anybody have the exact.....

    .....measurements please? Best I can measure without an internal mic is E34 72.6mm> E39 74.1 mm.I have to give the tyre guy the measurement over the phone.Also has anyone ever tried to run the E39 wheel without the rings?Do the wheels pull up to centre with just the taper on the lugs or is there still enough play to create an out of balance situation?.

  2. #2
    Join Date
    Jan 2004
    Location
    Sydney, Australia
    Posts
    35

    Default

    I have e39 m5 wheels with the rings, sorry i dont have the measurements, however u definitely will need rings or u will have a shakey car.

  3. #3
    Join Date
    Jan 2004
    Location
    Yorktown, VA
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    216

    Default

    Your measurements are 74mm to 72.56mm. Julius is right...shakey car without them.

    zmuff--1989 535i 5-speed--17" E39 Style 32's--JC chip--UUC Short Shift--
    --Racing Dynamics Springs & Sways--Bilsteins--Yorktown, VA

  4. #4
    Join Date
    Dec 2003
    Location
    Kingston, Ontario, Canada
    Posts
    831

    Default

    Crusty, I'll see about mic'ing my wheels. It appears I have a set of rare E34 hubcentric BBS RS (#5's) that were OEM from the factory. There is no ring in them, just the machined radius of the wheel's inner part (they're the 3-piece wheels, forged rim halves titanium rivetted to the cast center.) There is absolutely no wheel vibration when driven up to 265km/h on track conditions...just centering a wheel with the bolts would almost certainly give you a vibration at higher speeds...definitely not to be done with E39 wheels on an E34.

    Cheers,
    Duey

    1995 540i/6 Sport Pkg w/E.A.T. chip and Nikasil injection Duey's Gallery

  5. #5
    Join Date
    Jan 2004
    Location
    Coromandel New Zealand
    Posts
    21

    Default

    Thanks Guys,Will order rings today.Was just too keen to get them on.

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