BMW F34 320i GT N20 Engine Air Intake Manifold with Throttle Body | 3 Series 2.0L Turbo

Description

Restore absolute volumetric efficiency, smooth engine idling, and crisp, leak-free turbocharger response to your powerplant with this premium BMW F34 320i Gran Turismo N20 Engine Air Intake Manifold with Integrated Throttle Body Assembly. Specifically sourced and workshop-inspected for the unique F34 3 Series GT platform utilizing the N20 2.0-liter TwinPower turbo four-cylinder petrol engine (produced from 2013 through to 2019), this genuine factory-style induction module is the definitive replacement for composite manifolds cracked under boost pressure, assemblies suffering from severe internal carbon/oil buildup, or units with failing electronic throttle actuator gears.

Please take note of the advanced engine management integration: while the N20 engine primarily relies on BMW’s Valvetronic variable valve lift system to control engine load, it still utilizes an electronic throttle valve assembly mounted directly to the intake manifold. This throttle body is critical for backup load control, cold-start stabilization, and precision engine vacuum management. Because the manifold is constructed from a lightweight, multi-piece composite polymer welded together at the factory, the high thermal stress of the engine bay combined with years of constant turbo boost cycling can cause the plastic seams to split. Sourcing this complete combo module ensures that your throttle plate actuator electronics, intake runner ports, and manifold absolute pressure ($MAP$) sensor mounting points align with absolute millimetric factory accuracy.

A compromised intake manifold or throttle body can completely ruin your driving experience. Even a tiny hairline fracture along the plastic plenum or a degraded flange seat allows metered air to escape under boost, or unmetered ambient air to be sucked in under vacuum. This imbalance immediately confuses your engine control unit ($DME$), triggering persistent “Drivetrain Malfunction” alerts, severe hesitations under acceleration, rough rolling idles, or stalling at traffic lights.

Furthermore, internal crankcase ventilation ($PCV$) blow-by oils can accumulate over time inside the manifold, coating the electronic throttle valve and causing the internal butterfly plate to stick or strip its delicate plastic actuator gears. Attempting to repair a cracked composite manifold with epoxy is a temporary fix that will inevitably fail under boost. Swapping out the complete assembly with this workshop-verified factory unit replaces both the structural induction chamber and the electronic throttle valve simultaneously, permanently sealing your intake tract and restoring peak engine efficiency.

Manufactured from high-strength, heat-stabilized glass-fiber reinforced polymers, this manifold assembly arrives thoroughly cleaned of all carbon soot and oil film, bench-tested, and port-sealed. Trust TP German Auto Spares for fully verified, workshop-inspected BMW induction components, turbochargers, intercoolers, mass air flow sensors, fuel injectors, and mechanical spares that preserve the premium performance and resale value of your 3 Series GT.

Technical Alignment & Adaptation Note: This assembly is supplied complete with the composite intake manifold shell and the attached electronic throttle body valve. To ensure a permanent, airtight seal, your technician must install a brand-new set of pre-formed green rubber intake runner gaskets. Because the throttle body interfaces directly with the high-speed engine electronics, an adaptation reset using a professional diagnostic scan tool should be performed post-installation to allow the $DME$ to relearn the new throttle plate positioning values.

Key Features:

• Vehicle & Engine Compatibility: Tailor-fit exclusively for BMW 3 Series 320i GT variants (F34 Gran Turismo platform) running the 2.0L N20 turbo petrol engine produced from 2012 through to 2019.

• Complete Intake Combination: Includes both the high-strength plastic manifold plenum and the original factory-mated electronic throttle valve actuator.

• Workshop Pressure Tested: Completely sealed and pressure-tested to guarantee 100% airtight structural integrity under full factory turbo boost levels.

• Pristine Throttle Butterfly Plate: The internal aluminum valve plate pivots smoothly without sticking, and the internal electronic gear drive is verified free of free-play or tracking errors.

• Intact Sensor & Vacuum Ports: All push-click vacuum line fittings, brake booster connections, and the top-mounted $MAP$ sensor socket are entirely un-cracked and un-stripped.

• Condition: Premium low-mileage used factory unit; fully degreased internally, free of warppage across the head-mating flange, and completely ready for installation.