BMW 1 Series Coilover Suspension Kit - Front + Rear - AST - 5100 Series, 1-Way Adjustable Monotube, Inverted - 19-27. A street-focused, height- and rebound-adjustable kit engineered for composed handling and confident road balance.

The 5100 Series combines a coilover front with a divorced rear layout like OEM for comfort and control. It includes matched springs and is designed to run OEM top mounts. Vehicle-specific damping and fixed rear spring rates stem from extensive development. A 12-position rebound knob lets you fine-tune return-to-extension, while threaded bodies provide practical ride-height adjustment. The inverted, high-pressure monotube design uses a large piston for consistent, responsive damping, and the dampers are rebuildable through certified AST service centers.

Features

• 1-way rebound adjustment with 12 distinct clicks
• Ride-height adjustability
• Inverted monotube construction with large piston
• Front coilover, rear divorced layout (like OEM)
• Includes springs; uses OEM top mounts
• Rebuildable, serviceable dampers

Have questions or need fitment guidance for your 2019–2027 BMW 1 Series? Call our team. We offer installation and customization at our Austin, Texas and Los Angeles, California area locations: TX 512-982-9393, CA 562-981-6800.

If you are purchasing multiple items, contact us for potential shipping discounts.

We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov