2002 E46 325Ci Sport - offset confirmation

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  1. 2002 E46 325Ci Sport - offset confirmation 
    #1
    BMW Crazed
    Car Details
    Rikster's Car Details
    Model of Car:
    325 Ci M Sport
    Year of Manufacture:
    2002
    Transmission Type:
    Manual
    Car Body Type:
    Coupe

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    Jan 2009
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    Northern Ireland
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    Hi

    I am about to get a new set of 19" alloys and I know that they will fit ok, I just wanted to check how the wheels will look in the arches in relation to the current set up on the car. The new wheels are 8.5j all round and have an offset of 35mm, and will have 235/35/19's.

    I believe the current offset of the wheels on the car are (correct me if I am wrong here) -
    front - 47mm (with 225/40/18 on a 8j)
    rear - 50mm (with 255/35/18 on a 8.5j)

    If I am understanding things correctly then -

    On the front, I am increasing 10mm in tyre width in total (so 5mm over each side of the rim) however going down 12mm in offset, so does this mean that the distance from the outside of the wheel/tyre to the arch will be increased by 7mm (i.e. there will be a further gap of 7mm between the wheel/tyre and the arch) ?

    On the rear, I am decreasing 20mm in tyre width in total (so 10mm over each side of the rim) and also decreasing 15mm in offset, so does this mean that the distance from the outside of the wheel/tyre to the arch will be increased by 25mm (i.e. there will be a further gap of 25mm between the wheel/tyre and the arch)?

    Have I got this right? Are my wheels going to be set further into the wheel arch after fitting the new alloys?

    Thanks,
    Rik
     
     

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  3.  
    #2
    RYM
    RYM is offline
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    RYM's Car Details
    Model of Car:
    325tds
    Year of Manufacture:
    1996
    Transmission Type:
    Manual
    Car Body Type:
    Touring
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    Have a look here http://www.bimmerforums.co.uk/forum/...ls-and-t25111/

    In the link I have provided there are various calculators that enable you to establish the EXACT details that you are asking for

    This has been a long kept secret of mine

    I am now prepared to share and hope that fellow members will use it as I have done in the past
     
     

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    Rikster (17-09-2009)

  5.  
    #3
    BMW Crazed
    Car Details
    Rikster's Car Details
    Model of Car:
    325 Ci M Sport
    Year of Manufacture:
    2002
    Transmission Type:
    Manual
    Car Body Type:
    Coupe

    Join Date
    Jan 2009
    Location
    Northern Ireland
    Posts
    116
    Thanks
    6
    Thanked 14 Times in 10 Posts
    Thanks.

    What a link!! That guide has it ALL covered
     
     

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