HKS Type 4 Oil Filler Cap Billet Aluminum — Fits BMW Engines

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SKU: HKS24003-LB004
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Sale price$97.01 Regular price$98.00
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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 HKS

HKS engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full HKS lineup with fast shipping and expert fitment support — order with confidence.

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Premium Engine Styling for BMW

The HKS Type 4 Oil Filler Cap is specifically engineered for BMW enthusiasts who demand both style and reliability. This cap replaces the standard factory unit with a high-quality, CNC-machined billet aluminum piece that exudes performance. Designed to complement the sophisticated aesthetics of modern BMW engines, the Type 4 cap provides a secure fit and a refined look that stands out in any engine bay.

Why Choose the HKS Type 4 Cap?

  • Custom-engineered for BMW oil filler neck specifications.
  • High-strength billet aluminum material for longevity.
  • Anodized finish for superior resistance to heat and engine fluids.
  • Easy installation with a secure, leak-proof locking mechanism.
  • Distinctive HKS branding to showcase your commitment to quality.

Beyond its striking appearance, the HKS Type 4 Oil Filler Cap is built to withstand the intense thermal cycles of high-performance BMW engines. The precision threading ensures a perfect seal, preventing oil seepage and maintaining the integrity of your engine's lubrication system. It is the ideal upgrade for those looking to replace aging, brittle plastic caps with a durable, long-lasting solution. By choosing HKS, you are investing in a legacy of Japanese engineering excellence tailored for your European vehicle. Enhance your BMW's engine bay aesthetics today with this premium accessory available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About HKS

HKS engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full HKS lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Premium Engine Styling for BMW

The HKS Type 4 Oil Filler Cap is specifically engineered for BMW enthusiasts who demand both style and reliability. This cap replaces the standard factory unit with a high-quality, CNC-machined billet aluminum piece that exudes performance. Designed to complement the sophisticated aesthetics of modern BMW engines, the Type 4 cap provides a secure fit and a refined look that stands out in any engine bay.

Why Choose the HKS Type 4 Cap?

  • Custom-engineered for BMW oil filler neck specifications.
  • High-strength billet aluminum material for longevity.
  • Anodized finish for superior resistance to heat and engine fluids.
  • Easy installation with a secure, leak-proof locking mechanism.
  • Distinctive HKS branding to showcase your commitment to quality.

Beyond its striking appearance, the HKS Type 4 Oil Filler Cap is built to withstand the intense thermal cycles of high-performance BMW engines. The precision threading ensures a perfect seal, preventing oil seepage and maintaining the integrity of your engine's lubrication system. It is the ideal upgrade for those looking to replace aging, brittle plastic caps with a durable, long-lasting solution. By choosing HKS, you are investing in a legacy of Japanese engineering excellence tailored for your European vehicle. Enhance your BMW's engine bay aesthetics today with this premium accessory available at GGCRACING.

Product Details

Product Description

About HKS

HKS engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full HKS lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Premium Engine Styling for BMW

The HKS Type 4 Oil Filler Cap is specifically engineered for BMW enthusiasts who demand both style and reliability. This cap replaces the standard factory unit with a high-quality, CNC-machined billet aluminum piece that exudes performance. Designed to complement the sophisticated aesthetics of modern BMW engines, the Type 4 cap provides a secure fit and a refined look that stands out in any engine bay.

Why Choose the HKS Type 4 Cap?

  • Custom-engineered for BMW oil filler neck specifications.
  • High-strength billet aluminum material for longevity.
  • Anodized finish for superior resistance to heat and engine fluids.
  • Easy installation with a secure, leak-proof locking mechanism.
  • Distinctive HKS branding to showcase your commitment to quality.

Beyond its striking appearance, the HKS Type 4 Oil Filler Cap is built to withstand the intense thermal cycles of high-performance BMW engines. The precision threading ensures a perfect seal, preventing oil seepage and maintaining the integrity of your engine's lubrication system. It is the ideal upgrade for those looking to replace aging, brittle plastic caps with a durable, long-lasting solution. By choosing HKS, you are investing in a legacy of Japanese engineering excellence tailored for your European vehicle. Enhance your BMW's engine bay aesthetics today with this premium accessory available at GGCRACING.

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