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      11-03-2009, 02:34 AM   #1
lightning
First Lieutenant
Singapore
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Drives: 1M Pure S2
Join Date: Sep 2009
Location: Singapore

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recommended air intake for E89 sdrive23i?

hi guys,
for the sdrive23i do u think it's better to use
1. stock airbox with K&N air filter or
2. open pod, or
3. Cold Air Intake (CAI)?

hope to install an aftermarket air filter, but don't want to lose low end torque..
Appreciate 0