RE: bmw-digest V2 #76

Subject: RE: bmw-digest V2 #76
From: Tech of the Woeful Countenance 23-Nov-1994 1008 <[email protected]>
Date: Wed, 23 Nov 94 09:11:55 PST

> From: Andres Jaime LA3PS 39344 <[email protected]>
> Subject: Tire Size on E30 325i

>          greater diameter, and thus rev/mile will be 3.3% lower.  Dwayne 
>          assumes 195/60-14 as the base tire.  Isn't 195/65-14 the standard 
>          factory tire for the US E30 325i/ic ?  

Yes -- it is the 65 aspect ratio.
          
>          Tire size	Diameter      Circumference   Revs/mile	 
>          195/65-14	23.980 in.	75.34 in.	841.0
>          225/45-16	23.972 in.	75.31 in.	841.3
          
Does anybody have some of the intermediate sizes' (e.g. 60 and 55 apect ratio)
numbers?  Where did you come up with these?  I had a little book about 20 years
ago that had charts of this kind of info; is that type of publication still
available?

Thanks,
_Scott Bingham

(Who has recently rejoined the BMW fold -- a used '90 325i 4-door E30 after 10
years in an '84 VW GTI.  I had had two 2002s before that.)