Quote:
Originally Posted by Lladnar
Please elaborate on #1 and #2 above. I pick up my 550i on Monday and I'd love to learn about inexpensive mods.
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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