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Swift Spec-R Springs for 2007-13 BMW 1-Series & 3-Series [E82/E90/E92]


Quick Overview

The BEST lowering springs for your BMW. Swift Spec-R springs have been designed to provide the best handling and comfort your suspension can offer you.

Sku # : swift-spec-r-springs-bmw-cp

The Swift Spec-R Springs For BMW are designed at the upper limits of the OEM shock valving, and are track tested, tuned and tested again to provide optimal performance that's great for the track yet comfortable enough for a daily driver. 

When Swift set out to make new, driver oriented springs, they had 3 main goals.

  1. Modified ride height compared to the Swift Sport Springs to maximize and take full advantage of your cars suspension geometry.

  2. Further increased spring rate to enhance total vehicle performance.  The increased spring rate is based on the upper limits of factory strut valving.

  3. Enhance performance, yet provide enough comfort for street use.

Spec-R springs are wound with H5S-TW, the same material used with the Swift Sport Springs.  Even with the increased stiffer rates and slight change in ride height, you can expect the same great characteristics as the Swift Sport Springs.

Every Spec-R Spring that is offered by Swift has been carefully designed with your vehicle weight, stock struts and parts in mind, to achieve the most performance you vehicle is capable of, while still maintaining enough comfort for daily driving.

Swift Spec-R Spring Benefits
  • Amazing track performance with enough comfort for daily use
  • Lower Center of Gravity
  • Designed at the upper limits of factory strut valving
  • Increase handling with proper suspension balance
  • Made of H5S-TW for long-term performance and consistency
  • Amazing performance on and off the track


Swift Spec R springs
Model Year Front Spring Rate Rear Spring Rate Front Drop Rear Drop Part Number
BMW 335i E90/E92 2007-2011 4.0Kg/mm or 223lbs/inch 11.0Kg/mm or 615lbs/Inch 25mm/1.0 Inch 20mm/0.8 Inch 4X905R
BMW M3 E90/E92 2008+ 5.0Kg/mm or 279lbs/inch 12.0Kg/mm or 670lbs/Inch 25mm/1.0 Inch 18mm/0.7 Inch 4X903R
BMW 128i/135i E82 2008+ 3.6Kg/mm or 201lbs/inch 9.0Kg/mm or 503lbs/Inch 25mm/1.0 Inch 25mm/1.0 Inch 4X904R

Installation at modbargains

Swift Spec-R Springs On the Track

Swift Spec-R Springs Modbargains

Swift Spec-R Springs Modbargains

Swift Spec-R Springs Modbargains



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