N55 DOWNPIPE - F SERIES - 4" EWG The N54 PCV Valve is

The N54 PCV Valve is an upgraded replacement PCV valve for your N54 BMW engine and is strongly recommended for your high performance (or higher mileage) N54

3' F30   (02/2011 — 01/2016)

Upgraded pumps pull more current

New stock LPFP (New Build)

N55 DOWNPIPE - F SERIES - 4" EWG The N54 PCV Valve isGain up to 23whp 29wtq Faster Turbo Spool Improved Exhaust Sound Upgrade to Stage 2+ Tuning SS304 Stainless Steel PROFILE An F30 N55 Downpipe is regarded as the best hardware upgrade to get the most power from your N55 powered F Series BMW. The stock N55 downpipe comes from the factory with a catalyst that severely restricts exhaust flow. Upgrading your downpipe unlocks power, improves turbo spool, allows you to run stage 2+ tuning, and increases the