325ti Compact newbie with suspension questions!

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  1. 325ti Compact newbie with suspension questions! 
    #1
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    Hello!

    I purchased a (hideous but strangely growing on me) Pistachio coloured 325ti last Monday, with low miles, FBMWSH and a lot of the b-s-bits! I like the pokiness, but it feels like a barge from my last car (lowered and stiffened mk3 MR2 with hard top!). I've decided to get some suspension with the left over change, so, it seems that droplinks need to be replaced when lowering, and I've seen it recommended to replace the top mounts, but what else, any bushes or anything?

    I'm new to the e46, prior to my Mr2 I had an e30 318is, so I'm not new to the BMW thing! On the e30 I had a Weitec Ultra GT suspension setup with 60mm at the front and -40mm at the back, my Mr2 had FK springs which were -30mm all around! I'm rocking factory 16's with 5-spokes with a split in the middle of them for the time being - I'll get the suspension done then go hunting for some wheels...

    Thanks.

    Last edited by AlecG; 31-10-2011 at 17:32.
     
     

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    Worth checking the ball joints on the wishbones. You may also want to fit the eccentric M3 front wishbone bushes.

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    AlecG (31-10-2011)

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    The eccentric m3 front wishbone bushes.... do they fit on the e46 aswel? are they better than just powerflex bushes?


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    Cool, thanks for the information!

    Should the top mounts be upgraded/are there upgrades?

    Thanks
     
     

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    The front wishbone bush is the same from the E30 right through to the E46. You can fit an OEM rubber bush or indeed a polyurethane variant depending on application. What it does is adjust the angle of the wishbone and in turn the wheel giving more castor.

    I'm not sure what rear top mounts on the compact are like but I know E46 cabrio top mounts are stronger and better suited to harder suspension and a common upgrade amoungst E30 owners with stiffer suspension. Up from this are rose jointed top mounts but these are a bit extreme for road cars.

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    Quote Originally Posted by rich@vrdevelopments View Post
    The front wishbone bush is the same from the E30 right through to the E46. You can fit an OEM rubber bush or indeed a polyurethane variant depending on application. What it does is adjust the angle of the wishbone and in turn the wheel giving more castor.
    The control arms and bushes are different on the E46 so I cannot see how the E30/E36 bush will fit?
    Are you saying you can press the E30/E36 bushes into the E46 aluminium lollypops so are they 60mm or 66mm dia bushes?
     
     

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    I was refering to the design rather than the physical bush it's self but I appriciate that isn't very clear from my wording.

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    Quote Originally Posted by rich@vrdevelopments View Post
    I was refering to the design rather than the physical bush it's self but I appriciate that isn't very clear from my wording.

    E30 and E36 bushes had a 60.5mm O/D.
    No problem Rich, thanks for the clarification
     
     

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    Another quick question regarding the suspension, is fitting coilovers difficult, or am I best of paying someone to do it?!

    Thanks,
     
     

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    If you have the space and tools it's a straight forward enough task to complete if you are reasonable with a spanner

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