MAF Air Intake Tube Pair for BMW X6 xDrive50i (2015-2017) 4.4L

TIG-Welded Aluminum MAF Air Intake Tube Pair for 2015-2017 BMW X6 (F16)

What it Does: The MAF Air Intake Tube Pair replaces the restrictive factory plastic intake housings on the 2015-2017 BMW X6 xDrive50i to smooth incoming airflow across the sensors and eliminate air-metering turbulence.

The Stock BMW X6 Hot-Vee Intake Weakness

Factory composite intake ducting on the hot-vee N63 4.4L twin-turbo V8 is continuously subjected to severe underhood thermal cycling. Over time, plastic MAF housings become brittle, warp at the sensor seat, and develop micro-cracks that allow unmetered vacuum leaks, throwing trim-mismatch fault codes. Internally, OEM housings incorporate stepped transitions, restrictive sound baffles, and irregular boundary profiles that disrupt laminar flow, producing unstable mass air sensor readings under high boost demands.

The Engineering Solution

Fabricated from mandrel-sized 6061 aluminum with a true 3-inch (76mm) outer diameter, this matched pair delivers a clean, low-restriction charge tract directly to each compressor inlet. Every housing incorporates a precision CNC-machined MAF flange that is TIG-welded to match factory sensor immersion depth and orientation without requiring spacers or drilling. The continuous smooth-bore internal wall prevents boundary layer separation across the sensor wire, delivering stable frequency feedback to the DME. A compact 4.7-inch (120mm) length integrates seamlessly with 3-inch silicone couplers, and the black anodized surface layer prevents galvanic corrosion and resists heat soak.

What's Included

• 2 x 3" (76mm) Aluminum MAF Air Intake Tubes
• 4 x MAF Sensor Mounting Screws

Technical Specifications

Compatibility

• 2015-2017 BMW X6 xDrive50i (F16) 4.4L N63 Twin-Turbo V8

Frequently Asked Questions & Fitment Warnings

Does this fit the F16 X6?

Yes, this is a direct fit for the 2015-2017 BMW X6 equipped with the N63 4.4L twin-turbo V8 engine.

Are new mass airflow sensors required for installation?

No, you transfer your factory OEM sensors directly into the CNC-machined flanges using the included mounting hardware.

The BMW Precision Standard

High-output European twin-turbo engines demand precise air metering; these aluminum housings guarantee airtight sensor seating to eliminate erratic trim adaptations and preserve CEL-free throttle response.