Product Overview

The engine air filter, OEM number 13717571355, is fitted across BMW's inline-6 and V8 SUV and luxury sedan lineup, including the E70 X5, E71 X6, F25 X3, F26 X4, F01/F02 740i/740Li, and F07 535i GT/535i GT xDrive, covering the 2008-2019 production run. Since this filter spans several of BMW's core SUV and luxury sedan platforms, it's a high-turnover part number worth stocking in significant volume for distributors serving BMW filter parts demand.

A worn or clogged air filter typically shows up as reduced fuel economy, sluggish acceleration, or visible dirt and debris buildup on the filter element. GSK Auto manufactures this air filter to OEM specification at our Ningbo, China facility, with every unit tested before packing. We supply at wholesale volume with low MOQ and support private label packaging, with our team available to confirm fitment before shipping.

Replacement OEM Numbers

Cross-Reference OEM Number

13-71-7-571-355, 13717571355-M63, Mann C 28 125, C28125

(Confirm against your VIN or chassis code before ordering — these are commonly listed cross-references for this application, not a guarantee of exact fitment for every variant.)

What Is an Engine Air Filter?

Function: The engine air filter removes dust, dirt, and debris from the air entering the engine, protecting internal components while allowing sufficient airflow for combustion.

Working Principle: Air drawn into the engine passes through the pleated filter media, which traps contaminants while letting clean air through to the intake system. Over time, accumulated debris restricts airflow and reduces filter efficiency.

Importance: On BMW's inline-6 and V8-powered SUV and luxury sedan platforms, a properly functioning air filter is essential for protecting the engine and maintaining performance.

Common Failures & Signs: Visible dirt, dust, or debris buildup on the filter element. Reduced fuel economy from restricted airflow. Sluggish acceleration or reduced engine performance. Reduced engine responsiveness from an overly restricted filter.

Key Features

OEM-standard fitment - matches factory dimensions and filtration specification for the 13717571355 application.

Efficient filtration - pleated media captures dust and debris while maintaining airflow.

Durable construction - frame and media built to withstand sustained daily-driving use.

Excellent fitment - direct drop-in replacement, no modification required.

Tested before shipment - every unit checked before packing.

Reliable performance - restores factory airflow and engine protection.

Benefits

Importers - covers a routine maintenance item with steady, repeat demand across BMW's X3, X4, X5, X6, 740i, and 535i GT lineup.

Wholesalers - very high turnover given the breadth of vehicles using this filter.

Repair Shops - tested unit reduces comeback risk on a routine service job.

Distributors - private label packaging available for building a branded catalog.

End Customers - restored airflow, fuel economy, and engine protection.

Packaging & Shipping

Standard export cartons. Customized packaging available for distributor branding. OEM-style and private label printing on request. Container loading handled directly, with mixed-SKU consolidation for smaller orders. Worldwide shipping to Europe, North America, South America, the Middle East, Africa, and Southeast Asia.

Why Choose GSK Auto

GSK Auto manufactures factory-direct, keeping pricing tied to production cost. This air filter is built to OEM specification and tested before packing. We support low MOQ, private label packaging, and worldwide shipping, with our technical team available to confirm fitment before you order.

Call to Action

Sourcing engine air filters for the BMW X3, X4, X5, X6, 740i, or 535i GT? Contact GSK Auto for a wholesale quote, catalog, or OEM/private label cooperation.