Bilstein
Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
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Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4
Bilstein

Bilstein B4 Rear Twintube Shock Absorber — Fits 2005-2009 Audi A4 S4

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SKU: BIL19-164489

About Bilstein Bilstein has been the OE shock supplier to ...Read more

Price:
$99.00 $186.00
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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

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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.

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Restore Your Audi's Rear Suspension

Upgrade your vehicle's rear suspension with the Bilstein B4 OE Replacement Shock Absorber. Engineered to provide the perfect balance of comfort and precision, these rear dampers are designed to restore the original ride quality and handling characteristics of your Audi A4 or S4, meeting or exceeding strict OE standards.

Why Choose Bilstein B4 Rear Shocks?

  • Factory Performance: Specifically tuned to match the original dynamics of your Audi.
  • Twintube Design: Ensures consistent damping performance across varying road conditions.
  • Superior Durability: Built to withstand the demands of daily driving while maintaining performance.
  • Perfect Fitment: Designed for seamless integration with your existing suspension setup.

Your rear shocks play a critical role in vehicle stability, tire contact, and overall ride comfort. When these components wear out, you may notice increased body roll, uneven tire wear, or a harsh, bouncy ride. Replacing your worn-out units with Bilstein B4 shocks is the most effective way to bring back the smooth, controlled performance your vehicle was designed to deliver. Bilstein is synonymous with quality, and their B4 series is the gold standard for drivers who value reliability and performance without the need for complex adjustments. Trust in the expertise of Bilstein to keep your Audi performing at its best. Get the suspension components you need for your next upgrade at GGCRACING.

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

Restore Your Audi's Rear Suspension

Upgrade your vehicle's rear suspension with the Bilstein B4 OE Replacement Shock Absorber. Engineered to provide the perfect balance of comfort and precision, these rear dampers are designed to restore the original ride quality and handling characteristics of your Audi A4 or S4, meeting or exceeding strict OE standards.

Why Choose Bilstein B4 Rear Shocks?

  • Factory Performance: Specifically tuned to match the original dynamics of your Audi.
  • Twintube Design: Ensures consistent damping performance across varying road conditions.
  • Superior Durability: Built to withstand the demands of daily driving while maintaining performance.
  • Perfect Fitment: Designed for seamless integration with your existing suspension setup.

Your rear shocks play a critical role in vehicle stability, tire contact, and overall ride comfort. When these components wear out, you may notice increased body roll, uneven tire wear, or a harsh, bouncy ride. Replacing your worn-out units with Bilstein B4 shocks is the most effective way to bring back the smooth, controlled performance your vehicle was designed to deliver. Bilstein is synonymous with quality, and their B4 series is the gold standard for drivers who value reliability and performance without the need for complex adjustments. Trust in the expertise of Bilstein to keep your Audi performing at its best. Get the suspension components you need for your next upgrade at GGCRACING.

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