Swift Sport Spec-R Springs - F82 M4

$530.00 $349.00
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Shipping calculated at checkout.

-12 in stock

Purpose-built for track enthusiasts, Swift's Spec-R Springs transform the F82 M4's suspension dynamics through precision engineering. The optimized spring rates—calibrated to factory shock valve limits—enhance cornering aggression while the recalibrated ride height maximizes suspension geometry for superior traction. Stock dampers handle these rates capably, though upgrading to performance shocks unlocks additional gains. The result: sharper turn-in, reduced body roll, and a platform ready for serious circuit work. Engineered for drivers who demand more from their M4.


Swift Spec-R Sport Springs were engineered with 3 characteristics in mind.

  • Modified ride height compared to Sport Springs to maximize optimal suspension geometry
  • Further increasing the spring rate to enhance overall performance. The increase in spring rate is based on the upper limits of the vehicles factory shock valving
  • Maintaining optimal comfort level for street use

Swift's Spec-R Springs leverage proven spring technology with elevated stiffness and refined geometry tailored for circuit performance. Engineered to the threshold of factory shock capacity, these springs deliver track-validated handling without sacrificing street usability. The same material science and winding precision as Swift's sport line ensures durability and consistency, while the aggressive rate and modest ride height adjustment maximize suspension response. Ideal for drivers balancing weekend track days with daily driving demands on the F82 M4.

Features:

  • Spring Rate Front: 279 Lbs/Inch
  • Spring Rate Rear: 726 Lbs/Inch
  • Front Lowering: -1.1 Inch
  • Rear Lowering: -0.9 Inch
  • Improved handling
  • Made for the track enthusiast
  • Reduces body roll

FITMENT

- BMW M4 F82 2015 +

Note: Vehicle drop rate is based on the year, model and option of the test vehicle, and may vary based on each vehicle condition

ABOUT US

OUR GOAL

Horizon Motorsport has one goal: to make our clients happy. We aim to provide the highest level of customer service and the highest caliber parts, all at the most competitive prices. Have a question or concern about a product we sell? Send us an email at sales@horizonmotorsport.com.

SHIPPING

Orders typically ship in 1-2 business days from our location in Los Angeles, CA. Transit time usually ranges from 3-5 business days, depending on where you are located. We offer worldwide shipping, if you need live outside of North America, shoot us an email and we would be happy to give you a quote!

Contact Us
Creating life-long customers.

As a small business, we take pride in building long lasting relationships with our customers who know they can rely on us for their BMW needs. At Horizon Motorsport, our mission is to provide a consistently positive and transparent customer experience, from product selection to delivery and support, so our customers feel confident choosing us time and time again.

Enthusiast Owned

Horizon Motorsport was founded in 2019 in Los Angeles, California by fellow BMW enthusiasts. With hands on experience across a wide range of BMW platforms, we have been actively involved in the Southern California BMW community for years. Our close connection to the local scene, combined with experience working with other high end European focused brands, allows us to carefully select and stock parts that meet our standards for quality, fitment, and overall performance.

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