ST X Coilover Kit – 1992–1998 BMW 318i / 318is / 323i / 323is / 325i / 325is / 328i / 328is (E36) | Sedan & Coupe | Height Adjustable | KW-Engineered Dampers | Daily-Driver Focused

The ST X Coilover Kit for the 1992–1998 BMW E36 (318i, 318is, 323i, 323is, 325i, 325is, 328i, 328is) in sedan and coupe body styles is a complete height-adjustable coilover suspension system developed for the everyday driver who wants improved handling and a lowered stance without sacrificing road comfort. The ST X is the correct coilover choice for E36 owners who want precise ride height adjustment, improved cornering performance, and a quality suspension system engineered for daily use — simple, uncomplicated road performance for those who just want to get in and drive. ST Suspensions relies on world-class engineering delivered by KW for all ST dampers — the same KW engineering expertise that underpins KW's own coilover lineup, applied to the ST X's daily-driver-focused specification. ST Suspensions is a respected European suspension brand with a wide range of application-specific coilover kits for European and Japanese performance platforms.

Key Features:

• Height-adjustable spring perch — adjustable spring perch manufactured from durable, friction-optimized polyamide composite material with a stainless steel insert — the composite material prevents corrosion between the strut body and the perch, ensuring long-lasting, smooth height adjustability throughout the coilover's service life
• Wide range of height adjustability — a wide adjustment range allows the E36 to be set at the correct ride height for the owner's specific stance and handling requirements
• Galvanized zinc-coated steel struts — the strut bodies are galvanized with a zinc coating for optimized corrosion protection — correct for long-term use in Canadian and northern US road conditions where road salt is a significant corrosion factor
• Dust protection system — a dust protection system prevents unwanted dirt and particulate from contacting the hardened chrome piston rod or entering the valve packs — protecting the damper's internal components for long-term reliability
• Multi-layered pressure-resistant sealing package — a multi-layered sealing system provides long-term damper fluid retention and prevents contamination of the damper's internal components
• Mono block guide system — a mono block guide system provides precise piston rod guidance within the damper housing for consistent damper performance
• Low-friction piston band — a low-friction piston band operates inside the pressure-resistant internal damper housing for smooth, consistent damper action across the full range of suspension travel
• KW-engineered dampers — all ST dampers are engineered by KW — the same KW engineering expertise that underpins KW's own coilover lineup, applied to the ST X's daily-driver-focused specification
• Application-specific — the ST X Coilover kit is application-specific for the E36 — correctly adapted for the E36's suspension geometry and daily-driver use requirements

ST X — Daily-Driver Philosophy:

The ST X Coilover was developed for the everyday driver who needs to hug the curves yet retain road comfort — a coilover that delivers improved handling and a lowered stance without the harshness of a track-focused suspension. The ST X's spring rates and damper valving are calibrated for daily-driver use — providing a noticeable improvement in cornering performance and body roll control over the factory E36 suspension while maintaining the ride quality appropriate for daily driving on public roads. For E36 owners who want a quality coilover system for street use rather than a track-focused setup, the ST X is the correct choice.

BMW E36 — Platform Context:

The 1992–1998 BMW E36 is one of the most celebrated BMW platforms in the enthusiast community — a lightweight, well-balanced rear-wheel-drive sports sedan and coupe with a strong aftermarket support base and a dedicated community of owners who modify, track, and restore these cars. The E36's MacPherson strut front and multi-link rear suspension is well-suited to coilover upgrades — the factory suspension geometry responds well to ride height reduction and spring rate increases, delivering meaningful handling improvements with a quality coilover system. The ST X is the correct daily-driver coilover choice for E36 owners who want improved handling and stance without the harshness of a track-focused setup.

Specifications:

• Brand: ST Suspensions
• Part Number: STS13220011
• Barcode: 13220011
• System: ST X Coilover
• Damper Engineering: KW
• Adjustment: Ride height (spring perch)
• Strut Finish: Galvanized zinc-coated steel
• Spring Perch Material: Polyamide composite with stainless steel insert
• Application: 1992–1998 BMW 318i / 318is / 323i / 323is / 325i / 325is / 328i / 328is — E36 — Sedan & Coupe
• Weight: 60 lbs (shipping weight — complete kit)

Fitment Information:

• 1992–1998 BMW 318i — E36 — Sedan & Coupe
• 1992–1998 BMW 318is — E36 — Coupe
• 1995–1998 BMW 323i — E36 — Sedan
• 1995–1998 BMW 323is — E36 — Coupe
• 1992–1998 BMW 325i — E36 — Sedan & Coupe
• 1992–1998 BMW 325is — E36 — Coupe
• 1996–1998 BMW 328i — E36 — Sedan
• 1996–1998 BMW 328is — E36 — Coupe
• Sedan and coupe body styles — verify convertible (E36 Cabrio) and compact (E36/5) compatibility separately
• Note: Verify your specific E36 model year, engine variant, and body style before ordering — confirm that STS13220011 is the correct coilover kit for your specific E36. Professional installation by an experienced BMW suspension specialist strongly recommended — coilover installation requires correct spring perch height setting, correct top mount installation, and a four-wheel alignment after installation.

What's Included:

• ST X Coilover kit — complete front and rear set — 1992–1998 BMW E36 Sedan/Coupe (STS13220011)
• All required hardware and top mounts
• Refer to ST Suspensions' product documentation for complete kit contents and installation instructions

Installation Notes:

• Professional installation by an experienced BMW suspension specialist strongly recommended
• Set the spring perch ride height before installation — refer to ST Suspensions' installation documentation for the recommended ride height range and adjustment procedure
• A four-wheel alignment is required after installation — do not drive at speed before alignment is performed
• Re-check all fastener torques after the first 500–1,000 km of driving following installation — suspension components can settle after initial use
• Re-check ride height after the first 500–1,000 km — springs may settle slightly after initial use and ride height adjustment may be required

Why ST Suspensions?

ST Suspensions is a respected European suspension brand with a wide range of application-specific coilover kits for European and Japanese performance platforms — backed by KW engineering expertise for all ST dampers. ST's commitment to application-specific development means the ST X Coilover kit is correctly adapted for the E36's suspension geometry and daily-driver use requirements — not a generic coilover adapted to fit. For E36 owners who want a quality daily-driver coilover system with KW-engineered dampers, height adjustability, and long-term corrosion protection from a respected European suspension brand, STS13220011 is the correct choice.

Perfect For:

• 1992–1998 BMW E36 (318i/318is/323i/323is/325i/325is/328i/328is) sedan and coupe owners who want a quality height-adjustable coilover system with KW-engineered dampers for improved daily-driver handling and a lowered stance without sacrificing road comfort
• E36 owners who want the ST X's daily-driver-focused spring rates and damper valving — improved cornering performance and body roll control over the factory suspension with ride quality appropriate for daily use on public roads
• BMW E36 builds where ST Suspensions' galvanized zinc-coated struts, corrosion-resistant polyamide spring perch, and KW-engineered dampers provide a quality, long-lasting coilover solution for Canadian and northern US road conditions

Note: Sedan and coupe body styles — verify convertible and compact fitment separately. Verify E36 model year and body style before ordering. Four-wheel alignment required after installation. Professional BMW suspension specialist installation strongly recommended. Re-check torques and ride height after first 500–1,000 km.