Swift Sport / Lowering Springs for BMW F83 M4 S55 3.0L

Swift Springs understands that not all springs are created equal. While many springs may share similar dimensions and spring rates, the manufacturing process and materials used are pivotal to their performance. Drawing upon years of experience and extensive research, Swift Springs has refined the spring manufacturing process to perfection. In their relentless pursuit of excellence, Swift Springs developed a proprietary steel alloy known as "HS5.TW." This material accomplishes the primary objectives Swift had in mind:

• Maintaining the most consistent spring rate throughout the stroke
• Providing the largest amount of stroke
• Ensuring the highest durability against spring height loss
• Offering the lightest weight

Since its establishment in 1997, Swift Springs has taken on a diverse array of tasks and applications, ranging from oval track and dirt racing to enthusiastic street driving. They have accumulated invaluable experience working with world-class race teams and drivers from around the globe. Given the varied demands they've encountered over the years, you can have full confidence in Swift Springs to deliver the perfect spring solution for any requirement.