McGard Wheel Lock Bolt Set - 4pk Cone Seat M12X1.5 / 17mm Hex / 25.5mm Shank Black — Fits BMW 320i 1977-1983

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SKU: MCG27178

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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 McGard

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

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McGard Wheel Lock Bolt Set - 4 Piece, Black

Ensure the security of your BMW's wheels with the McGard Wheel Lock Bolt Set. Designed and manufactured with precision in the USA and EU, McGard is a globally recognized supplier of Original Equipment wheel locks. This set includes four black wheel lock bolts, featuring an M12x1.5 thread size, a 17mm hex, and a 25.5mm shank length, specifically designed for a cone seat application. They function as standard lug bolts but require a unique key for installation and removal, offering enhanced protection against wheel theft.

Vehicle Fitment:

  • BMW 320i: 1977, 1978, 1979, 1980, 1981, 1982, 1983
  • BMW 528i: 1979, 1980, 1981
  • BMW 528e: 1982, 1983, 1984, 1985, 1986
  • BMW 533i: 1983, 1984
  • BMW 318i: 1984, 1985
  • BMW 325e: 1984, 1985, 1986
  • BMW 524td: 1985, 1986
  • BMW 535i: 1985, 1986
  • BMW 325: 1986, 1987
  • BMW 325es: 1986

The user-friendly key features a steel collar for guided alignment, simplifying installation and removal. McGard's computer-generated key patterns provide virtually infinite combinations, and the narrow groove design resists tampering. Constructed from high-strength, restricted chemistry steel, these bolts offer lasting durability. Protect your investment with McGard's trusted wheel security solutions, available at GGCRACING.

…and 62 additional fitments. Contact us to confirm yours.

About McGard

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

Watch in action

McGard Wheel Lock Bolt Set - 4 Piece, Black

Ensure the security of your BMW's wheels with the McGard Wheel Lock Bolt Set. Designed and manufactured with precision in the USA and EU, McGard is a globally recognized supplier of Original Equipment wheel locks. This set includes four black wheel lock bolts, featuring an M12x1.5 thread size, a 17mm hex, and a 25.5mm shank length, specifically designed for a cone seat application. They function as standard lug bolts but require a unique key for installation and removal, offering enhanced protection against wheel theft.

Vehicle Fitment:

  • BMW 320i: 1977, 1978, 1979, 1980, 1981, 1982, 1983
  • BMW 528i: 1979, 1980, 1981
  • BMW 528e: 1982, 1983, 1984, 1985, 1986
  • BMW 533i: 1983, 1984
  • BMW 318i: 1984, 1985
  • BMW 325e: 1984, 1985, 1986
  • BMW 524td: 1985, 1986
  • BMW 535i: 1985, 1986
  • BMW 325: 1986, 1987
  • BMW 325es: 1986

The user-friendly key features a steel collar for guided alignment, simplifying installation and removal. McGard's computer-generated key patterns provide virtually infinite combinations, and the narrow groove design resists tampering. Constructed from high-strength, restricted chemistry steel, these bolts offer lasting durability. Protect your investment with McGard's trusted wheel security solutions, available at GGCRACING.

…and 62 additional fitments. Contact us to confirm yours.

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