Arnott AS-2979 Air Suspension Strut - Rear Left

Rear Left Air Strut for BMW 7-Series E65/E66

Arnott AS-2979 is a new rear left air suspension strut for select 2002-2008 BMW 7-Series E65 and E66 models with Electronic Damping Control (EDC). It is built for OE-style ride height control, stability, and consistent damping response on the BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li.

Key Features

• New, not remanufactured, rear air strut assembly
• Compatible with Electronic Damping Control (EDC) S223A applications
• Heavy-duty Continental ContiTech air spring bladder
• Hydraulic internal damper with gas-charged construction
• Progressive spring rate for controlled ride response
• CNC-machined top mount and bottom air spring perch made from aircraft-quality aluminum
• Pre-assembled for OE fit with protective dust boot, bump stop, O-rings, air fitting, and aluminum can
• Assembled in the USA

Product Details

Arnott’s NEW product line focuses on direct-fit air suspension replacements built from new components rather than rebuilt cores. AS-2979 follows that approach with a pre-assembled rear air strut engineered for the BMW 7-Series platform, using a durable air spring bladder and precision-machined aluminum mounting components. This part cross-references BMW 37106778797 for the same application.

Fits 2006-2008 BMW 750i, rear left. Fits 2006-2008 BMW 750Li, rear left. Fits 2003-2008 BMW 760Li, rear left. Fits 2004-2006 BMW 760i, rear left. Fits 2002-2005 BMW 745i, rear left, air suspension strut compatible with Electronic Damper Control (EDC) S223A. Fits 2002-2005 BMW 745Li, rear left, air suspension strut compatible with Electronic Damper Control (EDC) S223A.

Common Problems This Part Can Address

• Rear suspension sag on BMW 7-Series E65/E66 models
• Uneven ride height at the rear left corner
• Excessive bouncing or reduced damping control
• Air spring leakage from an aging strut assembly
• Ride instability caused by worn EDC-equipped suspension components

Installation Notes and Tips

Verify EDC-equipped rear left fitment before installation. Compare the original strut, mounting style, and air line connection to confirm AS-2979 matches the vehicle configuration. Follow the included installation manual and inspect adjacent suspension components, air lines, and electrical connectors during replacement.

Quality Assurance

Arnott manufactures this strut in the USA using new materials and precision-machined aluminum components for consistent fit and function. The assembly includes a Continental ContiTech air spring bladder, new crimping rings, O-rings, bump stop, air fitting, and dust boot to support reliable service on BMW 7-Series rear suspension applications.