ST Suspensions XA Adjustable Coilover Kit - 2012-2018 BMW 3 Series F30 Sedan (xDrive AWD) (1822000S)

Take full control of your F30's driving dynamics with the ST Suspensions XA adjustable coilover kit. Engineered specifically for the 2012-2018 BMW 3 Series F30 Sedan in xDrive AWD configuration, the XA delivers 16-way rebound damping adjustment, wide-range height adjustability, and ST's premium construction details — all factory dyno-tested before shipping.

Key Features:

• 16-way rebound damping adjustment
• Wide-range height adjustability
• Polyamide composite spring perch with stainless steel insert
• Galvanized zinc-coated steel struts
• Dust protection system
• Multi-layered pressure resistant sealing package
• Mono block guide system
• Low friction piston band
• Factory dyno-tested before shipping
• Detailed damper setup manual included
• Specific fitment for F30 xDrive AWD
• ST Suspensions quality and engineering

Performance Benefits:

• 16-Way Damping: Precisely tune driving dynamics from comfort to performance
• Height Adjustable: Lower centre of gravity for improved handling and stance
• Reduced Body Roll: Improved cornering composure over factory suspension
• Precise Control: Adjustable rebound damping refines driving dynamics with a simple knob turn
• Durable Construction: Corrosion-resistant materials for long-lasting performance
• Factory Tested: Dyno-tested at recommended settings before shipping

Specifications:

• Brand: ST Suspensions
• Part Number: 1822000S
• Product: XA Adjustable Coilover Kit
• Series: XA
• Damping Adjustment: 16-way rebound
• Height Adjustment: Yes (wide range)
• Spring Perch: Polyamide composite with stainless steel insert
• Strut Coating: Galvanized zinc
• Weight: 50.3 lbs (complete kit)

Fitment Information:

• 2012-2018 BMW 3 Series F30 Sedan (xDrive AWD)
• IMPORTANT: This kit is specific to the xDrive AWD F30 Sedan - not compatible with RWD variants
• Note: Verify your F30's drivetrain (xDrive) before ordering
• Installation: Professional installation recommended

What's Included:

• ST XA coilovers (front pair)
• ST XA coilovers (rear pair)
• Mounting hardware
• Adjustment tool
• Detailed damper setup manual
• Installation instructions

Installation Notes:

• Professional installation recommended
• Remove factory suspension components
• Install ST XA coilovers using included hardware
• Set damping to factory recommended setting (detailed in included manual)
• Set initial ride height conservatively
• Torque all fasteners to manufacturer specifications
• Alignment required after installation
• Allow suspension to settle before final height adjustment
• Re-check alignment after settling period

16-Way Rebound Damping Adjustment:

The XA's 16-way rebound damping adjustment is the defining feature of the XA series, allowing precise tuning of the suspension's rebound characteristics. Rebound damping controls how quickly the suspension extends after being compressed — slower rebound keeps the tyre in contact with the road longer after a bump, while faster rebound allows the suspension to recover more quickly for the next input. The 16 distinct clicks provide enough range to meaningfully tune the suspension between a comfortable daily driving setup and a more controlled, performance-oriented configuration. ST ships each kit preset to their factory-recommended damper setting, which is the same configuration tested on their KW shock dynos before shipping. The included damper setup manual makes it easy to return to the recommended setting at any time.

Polyamide Composite Spring Perch with Stainless Steel Insert:

ST's spring perch design is a key quality differentiator. The perch is manufactured from a durable, friction-optimized polyamide composite material with a stainless steel insert. The composite material prevents corrosion between the strut body and the perch — a common failure point on conventional coilovers where metal-on-metal contact leads to seized perches that can no longer be adjusted. The stainless steel insert provides the structural strength needed to handle spring loads. This design ensures the height adjustment remains functional throughout the coilover's service life, even in harsh winter conditions with road salt exposure.

Galvanized Zinc-Coated Steel Struts:

The strut bodies are galvanized zinc-coated for superior corrosion protection. This is particularly important for vehicles driven in Canadian winters where road salt is prevalent. Conventional coilovers with uncoated steel struts can develop surface rust that eventually compromises the strut's structural integrity and appearance. The galvanized coating provides a durable barrier against corrosion, ensuring the XA coilovers maintain their performance and appearance over the long term.

Dust Protection and Sealing System:

ST incorporates a comprehensive dust protection system to prevent dirt and particulate from contacting the hardened chrome piston rod or entering the valve packs. The system is reinforced with a multi-layered pressure-resistant sealing package, mono block guide system, and a low-friction piston band operating inside the pressure-resistant internal damper housing. This engineering ensures consistent damping performance over time by protecting the precision internal components from contamination that can cause premature wear and inconsistent damping.

xDrive AWD Specific Fitment:

This kit is engineered specifically for the F30 3 Series in xDrive AWD configuration. The xDrive AWD system uses different front suspension geometry and subframe mounting compared to the RWD variants, requiring a specifically engineered coilover kit. Using RWD coilovers on an xDrive vehicle (or vice versa) can result in incorrect fitment, improper suspension geometry, and potential safety issues. Always verify your F30's drivetrain configuration before ordering — the xDrive badge on the vehicle or the VIN decoder will confirm AWD specification.

Factory Dyno-Tested:

Every ST XA coilover kit is tested on KW's shock dynos at the factory-recommended damper settings before being packaged and shipped. This quality control step ensures each kit performs to specification from the moment of installation. The included damper setup manual documents the recommended settings, allowing you or your installer to verify the dampers are set correctly and return to the recommended baseline at any time.

ST Suspensions and KW Automotive:

ST Suspensions is a brand of KW Automotive, one of Germany's most respected suspension manufacturers. KW's engineering expertise and manufacturing standards are applied across the ST product line, providing enthusiasts with access to KW-quality engineering at a more accessible price point. The XA series benefits from KW's decades of suspension development experience, including their shock dyno testing infrastructure and engineering knowledge. When you choose ST XA, you're getting German-engineered suspension backed by KW Automotive's quality standards.

Perfect For:

• 2012-2018 BMW F30 3 Series xDrive AWD owners seeking coilover upgrade
• F30 xDrive builds wanting 16-way damping adjustability
• Daily-driven F30 xDrive builds wanting improved handling and stance
• Enthusiasts wanting KW Automotive-backed engineering at an accessible price
• Anyone seeking ST XA quality for their F30 xDrive platform

Perfect For: 2012-2018 BMW F30 3 Series xDrive AWD owners seeking ST XA coilovers for 16-way damping adjustment, height adjustability, and KW Automotive-backed engineering.

Pro Tip: Start with ST's factory-recommended damper setting (documented in the included manual) and drive for a few weeks before adjusting — it's a well-tested baseline that works well for most street driving conditions on the F30.

xDrive AWD Specific: 16-way rebound damping. Wide height adjustment range. Polyamide composite perch. Galvanized struts. Factory dyno-tested. Alignment required after installation.

Elevate your F30 xDrive's dynamics with ST XA coilovers - 16-way damping, height adjustable, KW Automotive engineering, German quality.