Arnott P-3885 Air Suspension Compressor

Arnott Air Suspension Compressor for BMW

Restore proper air suspension performance with the Arnott P-3885 air suspension compressor. This new 12V compressor is built to original equipment specifications for a direct OE replacement on select BMW models, including the BMW X5, 750i, 750Li, 760i, 760Li, 745i, 745Li, 525i, 530i, 540i, and 528i.

Arnott’s air suspension compressor line focuses on exact-fit replacement parts for BMW air suspension systems. The P-3885 includes a heavy-duty motor, epoxy-coated housing for corrosion resistance, a new dryer, relay, valve block, outer support bracket, intake air hose, and electrical connector for a cleaner installation on the correct application.

Key Features

• New Arnott air suspension compressor assembly kit, part number P-3885
• 12V standard-grade compressor built to OE specifications
• Heavy-duty motor for air suspension system operation
• Epoxy-coated finish helps resist corrosion
• New dryer included
• Relay and valve block included
• Female connector, 1 connector, black finish
• Direct OE replacement for select BMW air suspension applications

Detailed Description

The Arnott P-3885 is an aftermarket air suspension compressor for BMW vehicles that require a direct-fit replacement for the factory unit. It is engineered for the 2000-2006 BMW X5 (E53) and also serves select BMW 7 Series and 5 Series applications, including 2006-2008 BMW 750i and 750Li, 2003-2008 BMW 760Li, 2004-2006 BMW 760i, 2002-2005 BMW 745i and 745Li, 2001-2003 BMW 525i and 530i, 1999-2003 BMW 540i, and 1999-2000 BMW 528i.

This part cross-references BMW OE numbers 37221092349 and 37226778773 for the same application.

What It Helps Fix

• Slow or failed air spring inflation
• Compressor noise caused by worn internal components
• Suspension sag from insufficient air pressure
• Warning lights related to air suspension pressure faults
• Loss of ride height control on BMW air suspension systems

Installation Notes

Verify vehicle fitment by year, model, and air suspension configuration before installation. This compressor is supplied as a complete assembly kit with a dryer, relay, valve block, outer support bracket, intake air hose, and electrical connector; mounting hardware and a mounting bracket are not listed as included. Confirm electrical connector style and system layout before replacing the original compressor on a BMW X5, 750i, 750Li, 760i, or 760Li.

Quality Assurance

Arnott manufactures this P-3885 compressor as a new replacement part built to OE specifications for consistent fit and function on the listed BMW applications. The epoxy-coated housing and included dryer support long-term service in air suspension systems.

• Fits 2006-2008 BMW 750i, N/A
• Fits 2006-2008 BMW 750Li, N/A
• Fits 2003-2008 BMW 760Li, N/A
• Fits 2004-2006 BMW 760i, N/A
• Fits 2000-2006 BMW X5, N/A
• Fits 2002-2005 BMW 745i, N/A
• Fits 2002-2005 BMW 745Li, N/A
• Fits 2001-2003 BMW 525i, N/A
• Fits 2001-2003 BMW 530i, N/A
• Fits 1999-2003 BMW 540i, N/A
• Fits 1999-2000 BMW 528i, N/A