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      01-05-2009, 11:39 AM   #4
unknownx
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Drives: BMW
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Quote:
Originally Posted by Lladnar View Post
Please elaborate on #1 and #2 above. I pick up my 550i on Monday and I'd love to learn about inexpensive mods.
congrats!

1. if you open up the air filter, theres another air filter that contains charcoal which restricts air flow. you have to break off the tabs to remove. http://forums.e60.net/index.php?show...21796&hl=scoop

2. it directs airflow like ram air http://forums.e60.net/index.php?show...l=RPI+545+dyno

3. join e60.net