Bilstein B12 Pro-Kit Suspension Kit Performance Dampers & Springs — Fits 2009 Audi A4 Quattro & 2010-2016 Audi S4

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SKU: BIL46-183330
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Sale price$1,043.67 Regular price$1,155.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Watch in action

Elevate Your Audi Handling with Bilstein B12 Pro-Kit

Experience the perfect balance of performance and comfort with the Bilstein B12 Pro-Kit suspension system. Engineered for enthusiasts who demand more from their Audi A4 Quattro or S4, this complete kit replaces your factory suspension with precision-tuned Bilstein performance dampers and high-quality Eibach Pro-Kit springs.

Why Choose the B12 Pro-Kit?

  • Precision Engineering: Dampers and springs are specifically tuned for your Audi chassis to ensure optimal handling dynamics.
  • Moderate Lowering: Achieve a more aggressive stance with a 24-40mm drop, improving both aesthetics and center of gravity.
  • Enhanced Stability: Experience reduced body roll and improved cornering response without sacrificing daily driving comfort.
  • Direct Fitment: Designed for seamless installation on 2009 Audi A4 Quattro and 2010-2016 Audi S4 models.

Whether you are tackling winding backroads or looking for a more composed highway ride, the B12 Pro-Kit delivers a significant upgrade over stock components. By combining Bilstein’s legendary damper technology with Eibach’s world-class spring manufacturing, you get a fixed-height suspension solution that stands the test of time. Trust GGCRACING to provide the quality parts your vehicle deserves.

Vehicle Fitment

Years Make Model Trim
2009 Audi A4 Quattro Base
2010-2013 Audi S4 Base
2014-2016 Audi S4 Premium Plus
2014-2016 Audi S4 Prestige

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Watch in action

Elevate Your Audi Handling with Bilstein B12 Pro-Kit

Experience the perfect balance of performance and comfort with the Bilstein B12 Pro-Kit suspension system. Engineered for enthusiasts who demand more from their Audi A4 Quattro or S4, this complete kit replaces your factory suspension with precision-tuned Bilstein performance dampers and high-quality Eibach Pro-Kit springs.

Why Choose the B12 Pro-Kit?

  • Precision Engineering: Dampers and springs are specifically tuned for your Audi chassis to ensure optimal handling dynamics.
  • Moderate Lowering: Achieve a more aggressive stance with a 24-40mm drop, improving both aesthetics and center of gravity.
  • Enhanced Stability: Experience reduced body roll and improved cornering response without sacrificing daily driving comfort.
  • Direct Fitment: Designed for seamless installation on 2009 Audi A4 Quattro and 2010-2016 Audi S4 models.

Whether you are tackling winding backroads or looking for a more composed highway ride, the B12 Pro-Kit delivers a significant upgrade over stock components. By combining Bilstein’s legendary damper technology with Eibach’s world-class spring manufacturing, you get a fixed-height suspension solution that stands the test of time. Trust GGCRACING to provide the quality parts your vehicle deserves.

Vehicle Fitment

Years Make Model Trim
2009 Audi A4 Quattro Base
2010-2013 Audi S4 Base
2014-2016 Audi S4 Premium Plus
2014-2016 Audi S4 Prestige

Product Details

Product Description

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Watch in action

Elevate Your Audi Handling with Bilstein B12 Pro-Kit

Experience the perfect balance of performance and comfort with the Bilstein B12 Pro-Kit suspension system. Engineered for enthusiasts who demand more from their Audi A4 Quattro or S4, this complete kit replaces your factory suspension with precision-tuned Bilstein performance dampers and high-quality Eibach Pro-Kit springs.

Why Choose the B12 Pro-Kit?

  • Precision Engineering: Dampers and springs are specifically tuned for your Audi chassis to ensure optimal handling dynamics.
  • Moderate Lowering: Achieve a more aggressive stance with a 24-40mm drop, improving both aesthetics and center of gravity.
  • Enhanced Stability: Experience reduced body roll and improved cornering response without sacrificing daily driving comfort.
  • Direct Fitment: Designed for seamless installation on 2009 Audi A4 Quattro and 2010-2016 Audi S4 models.

Whether you are tackling winding backroads or looking for a more composed highway ride, the B12 Pro-Kit delivers a significant upgrade over stock components. By combining Bilstein’s legendary damper technology with Eibach’s world-class spring manufacturing, you get a fixed-height suspension solution that stands the test of time. Trust GGCRACING to provide the quality parts your vehicle deserves.

Vehicle Fitment

Years Make Model Trim
2009 Audi A4 Quattro Base
2010-2013 Audi S4 Base
2014-2016 Audi S4 Premium Plus
2014-2016 Audi S4 Prestige

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