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Arnott - Air Suspension Compressor - WABCO

Arnott P-3808 Air Suspension Compressor

Brand	Arnott P-3808
Grade Type	Standard
Contents	Air suspension compressor assembly kit
Dryer Included	Yes
New Or Remanufactured	New
Relay Included	Yes
Valve Block Included	No
Product line	Arnott - Air Suspension Compressor - WABCO
Fits	BMW · 2 vehicles

OE direct replacement. Brand-new compressor assembly for efficient, reliable replacement.

Compact and lightweight. A space-saving design that simplifies handling and installation.

Dryer included. Comes as an assembly kit with relay included.

Cross-references 37206886721 for the same application. See all 1.

$1,356.44Free shipping

In stock · usually ships same day before 1pm CST

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BMW Air Suspension Compressor Replacement

Arnott P-3808 is a brand new air suspension compressor assembly kit for select 2018-2019 BMW 6-Series G32 models. It replaces the original BMW OE compressor with a compact, lightweight WABCO unit built for direct-fit service on the 640i xDrive Gran Turismo without front air suspension.

Key Features

Direct replacement for the original BMW air suspension compressor
Brand new WABCO compressor construction
Dryer included for cleaner compressed air delivery
Relay included for service-ready installation
Standard grade replacement for OE-style repair
Valve block not included

Product Details

Arnott’s air suspension compressor line focuses on OE-style replacement components for BMW air suspension systems. The P-3808 compressor is engineered as a direct replacement for BMW part number 37206886721 and is intended for the 2018-2019 BMW 640i xDrive Gran Turismo, N/A. If you are replacing a worn BMW 6-Series air suspension compressor, this Arnott P-3808 assembly provides a new compressor solution with the dryer and relay included in the kit.

This part cross-references BMW 37206886721 for the same application.

Common Issues This Part Can Address

Air suspension compressor failure or weak pump output
Slow vehicle lift after startup
Compressor noise caused by internal wear
Moisture-related compressor contamination
Air suspension warning messages tied to compressor performance

Installation Notes

Verify vehicle configuration before ordering: this compressor fits 2018-2019 BMW 640i xDrive Gran Turismo without front air suspension. Confirm the OE part number and inspect the air suspension lines, relay circuit, and dryer condition during replacement. Because the valve block is not included, reuse or replace related components as needed based on system diagnosis.

Quality Assurance

Arnott supplies OE-style air suspension replacement parts, and this P-3808 compressor is a new WABCO unit built for direct replacement service on the listed BMW application.

This part fits 2 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2019	BMW	640i xDrive Gran Turismo	N/A	w/o Front Air Suspension; Arnott - Air Suspension Compressor - WABCO
2018	BMW	640i xDrive Gran Turismo	N/A	w/o Front Air Suspension; Arnott - Air Suspension Compressor - WABCO
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Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

37206886721