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325i vs 330i
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  1. Driveline, Engine & DME Tuning
    Something interesting. Just got off the phone with Dinan Technical Support. The Airbox top and filter are the exact same for the 325i and 330i Dinan High Flow Intake Kits. The 325i kit uses a grommet or adapter to allow the smaller 3" MAF to fit in the hole for the 330i 3.5" MAF. So if...
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