Bilstein B4 OE Replacement Rear Twintube Shock Absorber

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SKU: BIL19-247038

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

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Sale price$86.00 Regular price$162.00
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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

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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

Bilstein B4 OE Replacement Rear Shock Absorber

Restore the precision handling and factory comfort of your BMW with the Bilstein B4 OE Replacement Rear Shock Absorber. Engineered to meet or exceed original equipment standards, these twintube dampers are the gold standard for drivers who demand the reliability of the original ride without compromise.

Why Choose Bilstein B4?

  • OE Quality: Specifically engineered to maintain the original ride characteristics of your BMW.
  • Twintube Technology: Provides consistent damping performance across various road conditions.
  • Perfect Fitment: Designed for direct installation on 2014-2019 BMW 3-Series GT and 4-Series models.
  • Longevity: High-quality seals and materials ensure long-term performance and durability.
  • Restored Handling: Eliminates the wallowing and instability caused by worn-out factory shocks.

Whether you are driving a 2014 BMW 428i or a 2019 BMW 440i, the Bilstein B4 is the ideal choice for maintaining your vehicle's performance. These shocks are rigorously tested to ensure they provide the same level of safety and comfort you expect from your luxury vehicle. Don't settle for inferior aftermarket parts when you can return your suspension to its showroom feel with genuine Bilstein engineering. Find your perfect suspension match 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

Bilstein B4 OE Replacement Rear Shock Absorber

Restore the precision handling and factory comfort of your BMW with the Bilstein B4 OE Replacement Rear Shock Absorber. Engineered to meet or exceed original equipment standards, these twintube dampers are the gold standard for drivers who demand the reliability of the original ride without compromise.

Why Choose Bilstein B4?

  • OE Quality: Specifically engineered to maintain the original ride characteristics of your BMW.
  • Twintube Technology: Provides consistent damping performance across various road conditions.
  • Perfect Fitment: Designed for direct installation on 2014-2019 BMW 3-Series GT and 4-Series models.
  • Longevity: High-quality seals and materials ensure long-term performance and durability.
  • Restored Handling: Eliminates the wallowing and instability caused by worn-out factory shocks.

Whether you are driving a 2014 BMW 428i or a 2019 BMW 440i, the Bilstein B4 is the ideal choice for maintaining your vehicle's performance. These shocks are rigorously tested to ensure they provide the same level of safety and comfort you expect from your luxury vehicle. Don't settle for inferior aftermarket parts when you can return your suspension to its showroom feel with genuine Bilstein engineering. Find your perfect suspension match at GGCRACING.

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