Dežru Suspension Street Runner for BMW E90 SR-BMWE90

Upgrade your BMW 3 Series E90 with the Dežru Street Runner Suspension System, a complete matched shock and spring package designed to deliver sharper handling, improved chassis control, and a sportier stance without sacrificing everyday comfort.

Engineered for drivers who want more responsive handling than the factory suspension provides, the Street Runner combines 10-way adjustable twin-tube dampers with vehicle-specific lowering springs to create a balanced suspension setup for daily commuting, spirited back-road driving, highway cruising, and occasional autocross.

Rather than relying on excessively stiff springs, the Street Runner focuses on matching spring and damper characteristics to improve body control while maintaining compliance over uneven pavement. The result is a more composed driving experience, with improved response during steering inputs, braking, and cornering.

The adjustable dampers offer 10 settings, allowing you to tailor suspension response to your driving preferences and road conditions. Whether you prefer a more comfortable daily setup or firmer control for spirited driving, the Street Runner provides flexibility without the need for a threaded-body coilover system.

The package lowers the BMW E90 approximately 1.3 inches at the front and 1.2 inches at the rear, reducing factory wheel gap and creating a more aggressive, performance-inspired stance. The matched spring and damper design also aims to preserve the refined ride quality expected from a BMW sport sedan.

For E90 owners looking for a practical suspension upgrade that combines improved handling, adjustable damping, and a lowered appearance, the Dežru Street Runner offers a compelling balance of comfort and performance.

Key Features

• Complete matched suspension package: Includes front and rear dampers and vehicle-specific lowering springs.

• 10-way adjustable twin-tube dampers: Allow damping response to be adjusted for different driving preferences and road conditions.

• Vehicle-specific spring rates: Selected to balance improved chassis control with everyday ride comfort.

• Approximately 1.3-inch front lowering: Reduces wheel gap and creates a sportier front-end stance.

• Approximately 1.2-inch rear lowering: Complements the front drop for a balanced overall appearance.

• Twin-tube, low-pressure gas damper design: Aims to provide compliant suspension behavior over ordinary road imperfections.

• Factory-style mounting configuration: Designed around the vehicle's original mounting arrangement.

• Improved body control: Designed to help manage body roll, brake dive, and other unwanted chassis movements.

• Street-focused suspension tuning: Suited to daily driving, highway use, winding roads, and occasional autocross.

• Complete spring and damper combination: Eliminates the need to select separate aftermarket shocks and springs.

10-Way Adjustable Damping

The Dežru Street Runner's 10-way adjustable dampers let you tailor suspension response to your preferred balance of comfort and control.

• Setting 1 – Comfort-focused: Intended for relaxed daily driving, highway cruising, and ordinary road use.

• Setting 5 – Balanced driving: A middle setting for drivers seeking a compromise between comfort and firmer chassis control.

• Setting 10 – Firmer response: Intended for a more controlled feel during spirited driving and sharper directional transitions.

The exact effect of each setting depends on the damper's adjustment design and calibration. Begin with the manufacturer's recommended baseline and make changes incrementally to find the setting that best suits your vehicle and driving conditions.

Performance Benefits

More Controlled Handling

The matched spring and damper package is designed to reduce excessive body movement during cornering, braking, and acceleration. This helps the E90 feel more composed during everyday driving and more controlled when navigating winding roads.

Responsive Steering Feel

The Street Runner aims to improve the connection between steering inputs and chassis response. Its adjustable damping allows drivers to refine suspension behavior to suit their preferred driving style.

Comfort for Everyday Driving

The twin-tube damper design is intended to maintain compliance over uneven pavement while providing additional control compared with worn or less performance-oriented suspension components. Actual comfort depends on damper settings, tires, road conditions, and vehicle configuration.

Sportier Appearance

With approximately 1.3 inches of front lowering and 1.2 inches of rear lowering, the Street Runner reduces wheel gap and gives the E90 a more purposeful stance while retaining a fixed, matched spring-and-damper configuration.

Lowering and Ride Height

The Dežru Street Runner lowers the BMW E90 approximately:

• Front: 1.3 inches

• Rear: 1.2 inches

This lowering profile creates a balanced, sportier appearance and lowers the vehicle's center of gravity relative to its original ride height. The actual effect on handling depends on the resulting suspension geometry, alignment, and available suspension travel.

Final ride height may vary with engine, transmission, body style, factory suspension equipment, vehicle weight, and the condition of the original components.

A professional wheel alignment is recommended after installation. Confirm ground clearance and suspension travel before using the vehicle on uneven roads or steep driveways.

Why Choose Street Runner Instead of Coilovers?

Not every BMW E90 owner needs the extensive ride-height adjustment or track-oriented setup of a threaded-body coilover system. For drivers seeking a more straightforward suspension upgrade, the Street Runner combines matched lowering springs and adjustable dampers in one package.

Its fixed spring-and-damper configuration provides a predetermined lowering profile, while the 10-way damping adjustment allows you to fine-tune suspension response. This makes it an appealing option for drivers who want a sportier stance and improved handling without routinely adjusting threaded spring perches.

The Street Runner is particularly well suited to daily-driven E90s that need a balance of road comfort, responsive handling, and a cleaner appearance.

Who Is the Dežru Street Runner For?

This suspension package is ideal for BMW E90 owners who want to:

• Replace worn suspension components with a matched spring and damper package.

• Improve body control and handling response.

• Lower the vehicle for a more aggressive appearance.

• Adjust damping to suit different road conditions.

• Maintain practical comfort for daily commuting.

• Enjoy spirited back-road driving and occasional autocross.

• Upgrade from the factory suspension without choosing a fully adjustable coilover system.

What's Included?

• Two front Dežru Street Runner adjustable struts.

• Two rear Dežru Street Runner adjustable shocks.

• Two front vehicle-specific lowering springs.

• Two rear vehicle-specific lowering springs.

Installation note: Factory-style top mounts, bump stops, dust boots, and related hardware are reused unless replacement components are specifically listed as included. Inspect reused components and replace worn or damaged parts as needed.

Vehicle Fitment

Make: BMW
Model: 3 Series
Chassis: E90 sedan

Typical E90 sedan model years: 2006–2011, depending on market and model variant.

Fitment note: Confirm compatibility with the exact model year, engine, drivetrain, and factory suspension configuration before ordering. The E90 sedan is different from the E91 Touring, E92 Coupe, and E93 Convertible; do not assume this kit fits those chassis without specific application confirmation.

Disclaimer: This product is built to order. Please allow approximately 3–4 weeks for production before shipment.