Thread: BMW 1 Series M Coupé – what would you like to know?
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      12-09-2010, 10:53 PM   #47
Pete_vB
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Drives: '69 GT3, GT4, 1M, 912
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Originally Posted by JB135MDCT View Post
Surprised no one has asked. What are the the front and rear ARB diameters of the 1M?
They are hollow, so unless you know the ID as well you can't compare them...

Nice coverage, by the way.
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