N54 High Flow Silicone Inlets For BMW 135i, 335i, 535i, Z4 Turbos:2" Opening for Hybrid Turbos If you're running E85 or

If you're running E85 or ethanol mixes in your S55 BMW

This version includes a single Walbro 535 (F90000295) fuel pump

this upgrade also replaces the stock fuel lines from the tank to the engine bay

Nozzle Outer Diameter:

N54 High Flow Silicone Inlets For BMW 135i, 335i, 535i, Z4 Turbos:2" Opening for Hybrid Turbos If you're running E85 orThese high quality BMS N54 silicone inlets replace your flimsy and restrictive plastic N54 BMW inlets reducing restriction and dramatically improving air flow, top end boost and performance. Includes all required hardware and is compatible with both factory style diverter valves and blow off valve kits. Available in 1. 75" inlets for factory turbos or 2" inlets for hybrid and aftermarket turbos. Compatible with BMS DCI and all other N54 intake