Product Overview

The A/C compressor, OEM number 64509175481, is fitted to the BMW E65/E66 7 Series, covering the 745i, 745Li (4.4L V8), 750i, 750Li (4.8L V8), 760i, 760Li (6.0L V12), and the Alpina B7 (4.4L V8), spanning the 2002-2008 production run. Since this compressor covers the full E65/E66 flagship 7 Series lineup across three engine displacements, it's a steady-demand part number for distributors serving BMW luxury sedan parts markets.

Worn or failing units typically show up as weak or no cold air, unusual noise from the compressor, or a refrigerant leak. GSK Auto manufactures this compressor 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

64-50-6-901-781, 64506901781, 64-52-6-921-649, 64526921649, 64-52-6-925-721, 64526925721, 64-52-9-175-670, 64529175670

(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. Includes compressor clutch.)

What Is an A/C Compressor?

Function: The A/C compressor pressurizes refrigerant gas and circulates it through the air conditioning system, enabling the system to cool cabin air.

Working Principle: Driven by the engine via a belt and pulley, the compressor draws in low-pressure refrigerant gas and compresses it into a high-pressure gas, which then flows to the condenser to begin the cooling cycle.

Importance: On BMW's flagship 7 Series platform, a reliable A/C compressor is essential for cabin comfort and consistent system performance across daily use.

Common Failures & Signs: Internal seal or shaft wear causing refrigerant leaks. Worn clutch or bearing causing noise or clicking from the compressor. Weak, warm, or inconsistent cooling. Compressor clutch failing to engage.

Key Features

OEM-standard fitment - matches factory mounting and refrigerant specification for the 64509175481 application, includes clutch.

Precision manufacturing - compressor built to tight tolerance for consistent cooling performance.

Long service life - built to handle sustained daily-driving use.

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

Corrosion resistance - housing finish resists moisture and road exposure.

Tested before shipment - every unit checked for proper function before packing.

Reliable performance - consistent cooling output matching factory calibration.

Benefits

Importers - covers A/C compressor demand across the full E65/E66 7 Series lineup and Alpina B7 from one part number.

Wholesalers - steady demand from BMW's flagship luxury sedan platform.

Repair Shops - tested unit reduces comeback risk on a labor-intensive install.

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

End Customers - restored cooling performance and reliable A/C operation.

Packaging & Shipping

Standard export cartons, reinforced for a heavy assembly. 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 compressor 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 A/C compressors for the BMW 745i, 750i, 760i, or Alpina B7? Contact GSK Auto for a wholesale quote, catalog, or OEM/private label cooperation.