The N55's factory inlet becomes a chokepoint when you push beyond Stage 1 power levels, creating boost lag and limiting your turbo's efficiency. Our Stage 2 High Flow Inlet eliminates this bottleneck, allowing your single turbo to breathe freely and hit target boost faster across the entire rev range. Performance Gains Expect noticeably sharper throttle response and reduced boost lag, especially in the 2000-4000 RPM range where the N55 typically struggles. The improved airflow supports higher boost targets without the restriction that chokes stock inlets under load. You'll feel the difference immediately — faster spool, cleaner power delivery, and the ability to hold boost longer through the rev range. Essential for any N55 running Stage 2+ software or upgraded turbos. Fitment N55 (2010-2018): E82 135i (2011+), F20 M135i, F22 M235i, F30 335i, F32 435i, F10 535i (2011+), F15 X5 35i, F25 X3 35i, F87 M2 Installation & Supporting Mods Professional installation is strongly recommended. Turbo R&R on BMW engines involves working in tight spaces with oil and coolant lines. Custom manifold products require experience with aftermarket turbo fitment. Lead time is typically 4-8 weeks as these are made to order. For PWG models, we recommend pairing this with an upgraded wastegate for optimal performance. Install videos are available, and our techs are standing by during business hours for real-time support. Need help planning your build or stuck mid-install? Text us at 813.252.1025 — we will walk you through it. Shipping Free shipping to the lower 48 states. International shipping available — contact us for a quote.
