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E36 mirror dimples



pelphrey writes:
>
>>10 nipples
>>Also used on the inside edge of the door mirrors.
>
>Don't know about the ones on the headlights, but the above mentioned nipples
>are to break up the airflow between mirrors and windows, to help keep that
>bottom 4-5 inches of window clear of rain, so that you can see mirror in rain.
>

What I have read suggests the E36 mirror dimples were added to reduce
wind noise.

- -John
'96 318is

- -- 
John Firestone, Alfred Wegener Institut   [email protected]
 fuer Polar- und Meeresforschung             +49 (471) 4831 363
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