| Year | Make | Model |
|---|---|---|
| 2011-2019 | BMW | 3 Series VI (F30/F31/F34) |
| 2015-2019 | BMW | 3 Series VI LCI (F30/F31/F34) |
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AST 30mm/25mm F&R Lowering Springs | BMW 3 Series F31 (2012-19) (ASTLS-14-397)
AST 30mm/25mm F&R Lowering Springs | BMW 3 Series F31 (2012-19) (ASTLS-14-397)
SKU:ASTLS-14-397
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$255.30 USD
Regular price
$297.85 USD
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â–¶ Vehicle Fitments
The AST 30mm/25mm F&R Lowering Springs for the BMW 3 Series F31 (2012-2019) are high-performance suspension components designed to improve handling and aesthetics. Crafted from premium high tensile chromium-silicone wire, these springs are selected for their strength and metal consistency by AST engineers. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and reduce internal stresses, and individual shot peening. The springs are phosphate treated and powder coated to ensure durability and longevity, surpassing the typical lifespan of the vehicle. Featuring progressive rates on most applications, these springs provide a balanced ride with improved cornering stability and a lowered stance.
Designed specifically for 2012 to 2019 BMW 3 Series F31 models, these lowering springs are compatible with vehicles equipped with Electronic Damper Control (EDC). They serve as a direct replacement for factory springs, offering a performance upgrade for street driving and spirited handling. The kit includes front and rear springs, ensuring a proper fitment and consistent ride quality. Installation is straightforward for those familiar with suspension work, making these springs ideal for enthusiasts seeking a lowered look and enhanced driving dynamics. Suitable for daily driving, street use, and performance tuning, these springs deliver improved handling without sacrificing ride comfort.
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Overview
Overview
AST Lowering Springs for the 2012+ BMW 3 Series (F31) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency.
Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.
Features
- Progressive rates on most vehicles.
- EDC Compatible (if applicable to vehicle)
- Each spring is blocked and computer tested prior to shipping, which reduces any settling once installed on the vehicle.
- Lifetime warranty on breaking.
- Most of our spring applications are TUV Certified and certificates can be provided upon request.
Lowering Range
- Front:Â 30mm
- Rear:Â 25mm
- TUV Certified? Yes
Vehicle Fitment
- Part Number:Â ASTLS-14-397
- Product:Â AST Lowering Springs
- Production Years:Â 06/2012-
- Model Years:Â 2012+
- Make:Â BMW
- Model:Â 3 Series
- Chassis:Â F31
- Model Note:Â -
- Note 1:Â Not suitable for 4WD (four-wheel drive) cars.
- Note 2:Â For cars with standard lowering, the indicated lowering will be reduced with the amount of the standard lowering.
Additional Vehicle Fitment
- 2012 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2013 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2014 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2015 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2016 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2017 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2018 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2019 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
- 2020 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Touring (F31)
