Thread: What did you do to/for your 1er today?
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      11-06-2019, 10:27 PM   #13060
Shortedaman
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Drives: 2013 128i
Join Date: Jun 2018
Location: Htown

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Originally Posted by bmw1racer View Post
Quote:
Originally Posted by BMWWorld View Post
Currently installing the roof spoiler
How does the JBL speaker play into the aerodynamics of the car?
it diffuses the air behind the shark fin. duh.
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