TOPRAN 503 865 Camshaft Adjustment Mechanism

Compatible with BMW 1 (F20) , BMW X1 (E84) , BMW 5 (F10) Show more info
This TOPRAN camshaft adjustment mechanism is designed for precise engine timing. Ensure optimal performance and fuel efficiency with this quality component.
93.81 EUR
inc. VAT 21%
In stock 8
Delivery 1 day (25.03.2026)
PN 503865
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The TOPRAN 503 865 Camshaft Adjustment Mechanism is engineered to maintain accurate valve timing, which is crucial for your engine's performance and efficiency. Properly functioning camshaft timing directly impacts fuel consumption and emissions. This component ensures that your engine's valves open and close at the correct moments in relation to the piston's movement, contributing to smoother operation and reduced wear. Crafted with durable materials, this adjustment mechanism is built to withstand the demanding conditions within the engine bay. It is a direct replacement part, designed to meet or exceed original equipment specifications for a reliable fit and function.

  • Ensures precise engine valve timing
  • Contributes to optimal engine performance
  • Aids in improving fuel efficiency
  • Helps reduce exhaust emissions
  • Constructed with durable materials for longevity
  • Designed for a direct fit and reliable installation
  • Meets or exceeds original equipment standards
Operating mode
Hydraulic
Installation side
Exhaust side
Number of teeth
3/8"
Engine management system
Camshaft drive chain
cross-reference numbers
503 864
  • BMW
    • 1 (F20)
      • 125 i (160kW/218PS)
      • 125 i (175kW/238PS)
    • X1 (E84)
      • xDrive 28 i (180kW/245PS)
      • sDrive 20 i (135kW/184PS)
      • xDrive 20 i (135kW/184PS)
      • sDrive 16 i (105kW/143PS)
    • 5 (F10)
      • 520 i (135kW/184PS)
      • 528 i (180kW/245PS)
      • 528 i xDrive (180kW/245PS)
    • 5 Touring (F11)
      • 520 i (135kW/184PS)
      • 528 i (180kW/245PS)
      • 528 i xDrive (180kW/245PS)
    • Z4 Roadster (E89)
      • sDrive 20 i (135kW/184PS)
      • sDrive 28 i (180kW/245PS)
      • sDrive 18 i (115kW/156PS)
    • X3 (F25)
      • xDrive 20 i (135kW/184PS)
      • xDrive 28 i (180kW/245PS)
      • sDrive 20 i (135kW/184PS)
      • sDrive 20 i (125kW/170PS)
    • 3 (F30, F80)
      • 328 i (180kW/245PS)
      • 320 i (135kW/184PS)
      • 320 i xDrive (135kW/184PS)
      • 328 i xDrive (180kW/245PS)
    • 4 Coupe (F32, F82)
      • 420 i (135kW/184PS)
      • 420 i xDrive (135kW/184PS)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
    • 3 Touring (F31)
      • 320 i (135kW/184PS)
      • 328 i (180kW/245PS)
      • 328 i xDrive (180kW/245PS)
      • 320 i xDrive (135kW/184PS)
    • 2 Coupe (F22, F87)
      • 220 i (135kW/184PS)
      • 228 i (180kW/245PS)
    • 4 Kabriolets (F33, F83)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
      • 420 i (135kW/184PS)
    • 1 (F21)
      • 125 i (160kW/218PS)
      • 125 i (175kW/238PS)
    • 3 Gran Turismo (F34)
      • 320 i (135kW/184PS)
      • 328 i (180kW/245PS)
      • 320 i xDrive (135kW/184PS)
      • 328 i xDrive (180kW/245PS)
    • 4 Gran Coupe (F36)
      • 420 i (135kW/184PS)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
      • 420 i xDrive (135kW/184PS)
    • X4 (F26)
      • xDrive 20 i (135kW/184PS)
      • xDrive 28 i (180kW/245PS)
    • 2 Kabriolets (F23)
      • 220 i (135kW/184PS)
      • 228 i (180kW/245PS)
    • X5 (F15, F85)
      • xDrive 40e (230kW/313PS)
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