BOSCH 0 204 858 873 Main Brake Cylinder

Compatible with BMW 3 (G20, G80, G28) , BMW Z4 Roadster (G29) , BMW 3 Touring (G21, G81) Show more info
Ensures proper hydraulic pressure for your braking system. A critical component for safe and reliable stopping power.
156.52 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (18.05.2026)
PN 0 204 858 873
Make BOSCH
EAN 4047026329957

The main brake cylinder, also known as the master cylinder, is the heart of your vehicle's hydraulic braking system. It converts the mechanical force applied to the brake pedal into hydraulic pressure, which is then transmitted to the brake calipers or wheel cylinders. This BOSCH main brake cylinder is engineered to meet stringent quality standards, ensuring consistent performance and durability. A properly functioning master cylinder is essential for maintaining optimal braking performance and vehicle safety. Regular inspection and maintenance of the brake system, including the master cylinder, are recommended to prevent potential failures and ensure your vehicle stops effectively in all conditions. Replacing a faulty master cylinder promptly is crucial for restoring full braking capability.

  • Direct replacement for original equipment.
  • Ensures correct hydraulic pressure distribution.
  • Built to withstand high temperatures and pressures.
  • Contributes to consistent and reliable braking.
  • Essential for overall vehicle safety.
  • High-quality materials for long service life.
  • Designed for a precise fit and easy installation.
Piston diameter [mm]
26,99
Number of connections
2
Material
Aluminum
Thread size 1
M 12 x 1
  • BMW
    • 3 (G20, G80, G28)
      • 330 i (190kW/258PS)
      • 320 d (140kW/190PS)
      • 320 d xDrive (140kW/190PS)
      • 320 d (120kW/163PS)
      • 320 d xDrive (120kW/163PS)
      • M 340 i xDrive (275kW/374PS)
      • 320 i (135kW/184PS)
      • 318 d (110kW/150PS)
      • 318 d (100kW/136PS)
      • 330 d (195kW/265PS)
      • 320 i 1.6 (125kW/170PS)
      • 320 i xDrive (135kW/184PS)
      • 330 i xDrive (190kW/258PS)
      • 330 d xDrive (195kW/265PS)
      • M 340 i xDrive (285kW/387PS)
      • 320 d Mild-Hybrid (120kW/163PS)
      • 320 d Mild-Hybrid (140kW/190PS)
      • 320 d Mild-Hybrid xDrive (120kW/163PS)
      • 320 d Mild-Hybrid xDrive (140kW/190PS)
      • 318 i (115kW/156PS)
      • 330 e Plug-in-Hybrid xDrive (215kW/292PS)
      • M340 d Mild-Hybrid xDrive (250kW/340PS)
      • 316 d (90kW/122PS)
      • 330 e Plug-in-Hybrid (215kW/292PS)
      • 316 d Mild-Hybrid (90kW/122PS)
      • 318 d Mild-Hybrid (100kW/136PS)
      • 318 d Mild-Hybrid (110kW/150PS)
      • 320 e Plug-in-Hybrid (150kW/204PS)
      • 330 d Mild-Hybrid (210kW/286PS)
      • 330 d Mild-Hybrid xDrive (210kW/286PS)
      • 316 d (85kW/116PS)
      • 316 d Mild-Hybrid (85kW/116PS)
      • M 340 i Mild-Hybrid xDrive (275kW/374PS)
      • 330 i (180kW/245PS)
      • 330 i xDrive (180kW/245PS)
    • Z4 Roadster (G29)
      • sDrive 20 i (145kW/197PS)
      • sDrive 30 i (190kW/258PS)
      • M40 i (250kW/340PS)
      • sDrive 20 i (120kW/163PS)
    • 3 Touring (G21, G81)
      • 320 i (135kW/184PS)
      • 330 i (190kW/258PS)
      • 330 i xDrive (190kW/258PS)
      • M 340 i xDrive (275kW/374PS)
      • 318 d (100kW/136PS)
      • 318 d (110kW/150PS)
      • 320 d (120kW/163PS)
      • 320 d (140kW/190PS)
      • 320 d xDrive (120kW/163PS)
      • 320 d xDrive (140kW/190PS)
      • 330 d xDrive (195kW/265PS)
      • 330 e Plug-in-Hybrid (215kW/292PS)
      • 330 d (195kW/265PS)
      • 320 d Mild-Hybrid (120kW/163PS)
      • 320 d Mild-Hybrid (140kW/190PS)
      • 320 d Mild-Hybrid xDrive (120kW/163PS)
      • 320 d Mild-Hybrid xDrive (140kW/190PS)
      • 318 i (115kW/156PS)
      • 330 e Plug-in-Hybrid xDrive (215kW/292PS)
      • M 340 d Mild-Hybrid xDrive (250kW/340PS)
      • 316 d Mild-Hybrid (90kW/122PS)
      • 318 d Mild-Hybrid (100kW/136PS)
      • 318 d Mild-Hybrid (110kW/150PS)
      • 320 e Plug-in-Hybrid (150kW/204PS)
      • 330 d Mild-Hybrid (210kW/286PS)
      • 330 d Mild-Hybrid xDrive (210kW/286PS)
      • M 340 i xDrive (285kW/387PS)
      • 316 d (90kW/122PS)
      • 316 d (85kW/116PS)
      • 316 d Mild-Hybrid (85kW/116PS)
      • M 340 i Mild-Hybrid xDrive (275kW/374PS)
      • 320 e Plug-in-Hybrid xDrive (150kW/204PS)
      • 330 i (180kW/245PS)
      • 330 i xDrive (180kW/245PS)
    • 3 Touring Van (G21)
      • 320 i (135kW/184PS)
      • 330 i (190kW/258PS)
      • M 340 i xDrive (275kW/374PS)
      • 320 d (140kW/190PS)
      • 320 d Mild-Hybrid (140kW/190PS)
      • 320 d xDrive (140kW/190PS)
      • 320 d Mild-Hybrid xDrive (140kW/190PS)
      • 330 d (195kW/265PS)
      • 330 d xDrive (195kW/265PS)
      • 318 d (110kW/150PS)
    • 4 Coupe (G22, G82)
      • M 440 i Mild-Hybrid xDrive (285kW/387PS)
      • 420 i (135kW/184PS)
      • 430 i (190kW/258PS)
      • 430 i xDrive (190kW/258PS)
      • 420 d Mild-Hybrid (140kW/190PS)
      • 420 d Mild-Hybrid (120kW/163PS)
      • 420 d Mild-Hybrid xDrive (140kW/190PS)
      • 430 d Mild-Hybrid xDrive (210kW/286PS)
      • M440 d Mild-Hybrid xDrive (250kW/340PS)
      • 420 i 1.6 (125kW/170PS)
      • M 440 i Mild-Hybrid xDrive (275kW/374PS)
      • 420 i xDrive (135kW/184PS)
      • M 440 i Mild-Hybrid (275kW/374PS)
      • 430 i (180kW/245PS)
      • 430 i xDrive (180kW/245PS)
    • 4 Kabriolets (G23, G83)
      • 420 i (135kW/184PS)
      • 430 i (190kW/258PS)
      • M 440 i Mild-Hybrid xDrive (285kW/387PS)
      • 420 d Mild-Hybrid (140kW/190PS)
      • 430 d Mild-Hybrid (210kW/286PS)
      • M440 d Mild-Hybrid xDrive (250kW/340PS)
      • 420 d Mild-Hybrid (120kW/163PS)
      • M 440 i Mild-Hybrid xDrive (275kW/374PS)
      • 430 i (180kW/245PS)
      • 430 i xDrive (180kW/245PS)
      • M 440 i Mild-Hybrid (275kW/374PS)
    • 4 Gran Coupe (G26)
      • 420 i (135kW/184PS)
      • 430 i (180kW/245PS)
      • 420 d Mild-Hybrid (140kW/190PS)
      • 420 d Mild-Hybrid xDrive (140kW/190PS)
      • 430 i xDrive (180kW/245PS)
      • 430 d Mild-Hybrid xDrive (210kW/286PS)
      • M440 i Mild-Hybrid (275kW/374PS)
      • 430 i Mild-Hybrid xDrive (190kW/258PS)
      • 430 i (190kW/258PS)
    • 2 Coupe (G42, G87)
      • 220 i (135kW/184PS)
      • M240 i xDrive (275kW/374PS)
      • 220 d Mild-Hybrid (140kW/190PS)
      • 230 i (180kW/245PS)
      • 218 i (115kW/156PS)
      • M240 i (275kW/374PS)
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