Features

1. Enhanced Handling and Stability:
These springs effectively lower your vehicle's center of gravity, improving cornering stability and reducing body roll for a more responsive and controlled driving experience.

2. Precision Engineering for Superior Functionality:
Each spring is expertly designed to match your vehicle's specific weight and dynamics, ensuring optimal handling and comfort.

3. High-Quality Materials:
Made from SAE 9254 cold-wound steel, providing long-lasting durability.  It has high strength and good elasticity, maintaining stable mechanical properties in high-temperature environments.

4. Superior Corrosion Resistance:
Treated with an advanced anti-corrosion coating, significantly extended lifespan, making them reliable for any driving environment.   This coating protects against moisture, salt, and chemicals, ensuring consistent durability over time.

5. Compatibility and Easy Installation:
These springs are designed for direct installation and are compatible with OEM or aftermarket shocks, allowing for a hassle-free upgrade with minimal modifications.

6. Rigorous Testing:
Undergone extensive testing, including 200,000-cycle fatigue test and 720-hour salt spray test.  These tests ensure exceptional durability and corrosion resistance, allowing them to perform reliably under repeated stress and in harsh environments.

Fit Models

For BMW 3 Series Sedan (F30, F80) 11/2011-10/2018 RWD 316d, 316i, 318d, 318i, 320 i, 320d, 320i, 325d, 328 d, 328i, 330d, 330i, 335i, 340i

For BMW 4 Series Coupe (F32, F82) 07/2013-06/2020 RWD 418d, 418i, 420d, 420i, 425d, 425i, 428i, 430d, 430i, 430i M Sport, 435i, 440i, M 435 i, M 440 i, M4, M4 Competitio

For BMW 4 Series Gran Coupe (F36) 03/2014-05/2021 RWD 418d, 418i, 420d, 420i, 425d, 425i, 428i, 430 i M Sport, 430d, 430i, 435i, 440i, M 435 i

Specification

- Front Spring Rate: 8 kg/mm (448 lbs/in)
- Rear Spring Rate: 3 kg/mm (168 lbs/in)
- Front Spring Length: 290 mm
- Rear Spring Length: 230 mm
- Front Drop Height: 1.3–1.7 inches, depending on the vehicle models
- Rear Drop Height: 1.2–1.6 inches, depending on the vehicle models
- Front Material: SAE9254
- Rear Material: SAE9254
- Front spring inner diameter: 62 mm
- Rear spring inner diameter: 95 mm
- Item weight: About 9 kg
- Fitment Type: Direct Replacement
- Placement on Vehicle: Front, Rear
- Color: Blue

Package included

2x Front Lowering Springs
2x Rear Lowering Springs