TOPRAN 503 622 Reduction Valve, Common-Rail System

Compatible with BMW X5 (E70) , BMW X6 (E71, E72) , BMW 6 Coupe (F13) Show more info
This TOPRAN reduction valve is designed for Common-Rail systems, ensuring precise fuel pressure regulation for optimal engine performance.
107.75 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (15.05.2026)
PN 503 622
Make TOPRAN

The TOPRAN 503 622 is a high-quality reduction valve specifically engineered for Common-Rail diesel injection systems. It plays a crucial role in maintaining the correct fuel pressure within the system, which is essential for efficient combustion and overall engine health. Proper functioning of the reduction valve ensures that the fuel delivered to the injectors is at the optimal pressure, preventing issues such as poor starting, rough idling, or reduced power. This component is manufactured to meet stringent quality standards, providing a reliable solution for your vehicle's fuel system. Replacing a faulty or worn reduction valve with this TOPRAN part can help restore your engine's performance and fuel economy. It is designed for a direct fit, facilitating a straightforward installation process for mechanics and DIY enthusiasts alike.

  • Designed for Common-Rail fuel systems
  • Ensures precise fuel pressure regulation
  • Contributes to optimal engine performance
  • Helps prevent starting issues and rough idling
  • Manufactured to high-quality standards
  • Direct fit for straightforward installation
  • Restores engine performance and fuel economy
Operating mode
electro-hydraulic
Plug connector housing shape
D-Shape
Number of pin contacts
2
Additional article/Additional info 2
with sealing ring
  • BMW
    • X5 (E70)
      • xDrive 30 d (180kW/245PS)
      • xDrive 40 d (225kW/306PS)
    • X6 (E71, E72)
      • xDrive 30 d (180kW/245PS)
      • xDrive 40 d (225kW/306PS)
    • 6 Coupe (F13)
      • 640 d xDrive (230kW/313PS)
      • 640 d (230kW/313PS)
    • 1 (F20)
      • 116 d (85kW/116PS)
      • 120 d (135kW/184PS)
      • 125 d (160kW/218PS)
      • 114 d (70kW/95PS)
      • 120 d xDrive (135kW/184PS)
      • 116 d (85kW/116PS)
      • 118 d (110kW/150PS)
      • 118 d xDrive (110kW/150PS)
      • 120 d (140kW/190PS)
      • 120 d xDrive (140kW/190PS)
      • 114 d (70kW/95PS)
    • 7 (F01, F02, F03, F04)
      • 740 d xDrive (225kW/306PS)
      • 730 d (180kW/245PS)
      • 740 d (225kW/306PS)
      • 730 d (190kW/258PS)
      • 730 d xDrive (190kW/258PS)
      • 740 d (230kW/313PS)
      • 740 d xDrive (230kW/313PS)
    • 6 Kabriolets (F12)
      • 640 d xDrive (230kW/313PS)
      • 640 d (230kW/313PS)
    • X3 (F25)
      • xDrive 30 d (190kW/258PS)
      • xDrive 35 d (230kW/313PS)
      • xDrive 20 d (135kW/184PS)
      • sDrive 18 d (105kW/143PS)
      • sDrive 18 d (110kW/150PS)
      • xDrive 20 d (140kW/190PS)
    • 5 Gran Turismo (F07)
      • 530 d (155kW/211PS)
      • 530 d (180kW/245PS)
      • 535 d xDrive (220kW/299PS)
      • 530 d xDrive (180kW/245PS)
      • 535 d (220kW/299PS)
      • 520 d (135kW/184PS)
      • 530 d (190kW/258PS)
      • 530 d xDrive (190kW/258PS)
      • 535 d xDrive (230kW/313PS)
      • 535 d (230kW/313PS)
    • 5 Touring (F11)
      • 525 d (160kW/218PS)
      • 525 d xDrive (160kW/218PS)
      • 530 d (190kW/258PS)
      • 530 d xDrive (190kW/258PS)
      • 535 d (230kW/313PS)
      • 535 d xDrive (230kW/313PS)
      • 520 d (135kW/184PS)
      • 525 d (150kW/204PS)
      • 530 d (180kW/245PS)
      • 535 d (220kW/299PS)
      • 520 d xDrive (135kW/184PS)
      • 518 d (105kW/143PS)
      • 518 d (110kW/150PS)
      • 520 d (140kW/190PS)
      • 520 d xDrive (140kW/190PS)
    • 3 Kabriolets (E93)
      • 325 d (150kW/204PS)
      • 320 d (130kW/177PS)
      • 330 d (180kW/245PS)
      • 320 d (135kW/184PS)
    • 3 (E90)
      • 320 d (120kW/163PS)
      • 320 d (130kW/177PS)
      • 330 d (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 325 d (150kW/204PS)
    • 3 Touring (E91)
      • 320 d (120kW/163PS)
      • 320 d (130kW/177PS)
      • 330 d (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 325 d (150kW/204PS)
    • 5 (E60)
      • 520 d (120kW/163PS)
      • 520 d (130kW/177PS)
    • 5 Touring (E61)
      • 520 d (120kW/163PS)
      • 520 d (130kW/177PS)
    • X5 (F15, F85)
      • xDrive 30 d (190kW/258PS)
      • sDrive 25 d (160kW/218PS)
      • xDrive 25 d (160kW/218PS)
      • xDrive 40 d (230kW/313PS)
    • 3 Coupe (E92)
      • 325 d (145kW/197PS)
      • 330 d (180kW/245PS)
      • 320 d xDrive (130kW/177PS)
      • 330 d xDrive (180kW/245PS)
      • 320 d xDrive (135kW/184PS)
      • 320 d (135kW/184PS)
      • 325 d (150kW/204PS)
    • 1 (E81)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
    • 1 Coupe (E82)
      • 123 d (150kW/204PS)
    • 1 Kabriolets (E88)
      • 120 d (130kW/177PS)
    • X3 (E83)
      • 2.0 sd (130kW/177PS)
      • xDrive 18 d (105kW/143PS)
    • X1 (E84)
      • xDrive 20 d (130kW/177PS)
      • sDrive 20 d (130kW/177PS)
      • xDrive 23 d (150kW/204PS)
      • sDrive 20 d (120kW/163PS)
      • xDrive 25 d (160kW/218PS)
    • 5 (F10)
      • 520 d (135kW/184PS)
      • 520 d xDrive (135kW/184PS)
      • 518 d (105kW/143PS)
      • 518 d (110kW/150PS)
      • 520 d (140kW/190PS)
      • 520 d xDrive (140kW/190PS)
    • 4 Coupe (F32, F82)
      • 435 d xDrive (230kW/313PS)
      • 420 d xDrive (135kW/184PS)
      • 430 d (190kW/258PS)
      • 420 d (135kW/184PS)
      • 430 d xDrive (190kW/258PS)
      • 425 d (160kW/218PS)
      • 430 d (210kW/286PS)
      • 430 d xDrive (210kW/286PS)
      • 418 d (110kW/150PS)
      • 420 d (140kW/190PS)
      • 420 d xDrive (140kW/190PS)
    • 3 Touring (F31)
      • 320 d (135kW/184PS)
      • 330 d (190kW/258PS)
      • 320 d (120kW/163PS)
      • 325 d (160kW/218PS)
      • 330 d xDrive (190kW/258PS)
      • 320 d xDrive (135kW/184PS)
      • 335 d xDrive (230kW/313PS)
      • 318 d xDrive (110kW/150PS)
      • 320 d (140kW/190PS)
    • 1 (E87)
      • 120 d (120kW/163PS)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
    • 2 Coupe (F22, F87)
      • 220 d (135kW/184PS)
      • 225 d (160kW/218PS)
      • 220 d (140kW/190PS)
      • 220 d xDrive (140kW/190PS)
    • 4 Kabriolets (F33, F83)
      • 420 d (135kW/184PS)
      • 425 d (160kW/218PS)
      • 430 d (190kW/258PS)
      • 435 d xDrive (230kW/313PS)
      • 430 d (210kW/286PS)
      • 420 d (140kW/190PS)
    • 1 (F21)
      • 114 d (70kW/95PS)
      • 116 d (85kW/116PS)
      • 120 d (135kW/184PS)
      • 120 d xDrive (135kW/184PS)
      • 125 d (160kW/218PS)
      • 116 d (85kW/116PS)
      • 118 d (110kW/150PS)
      • 118 d xDrive (110kW/150PS)
      • 120 d (140kW/190PS)
      • 120 d xDrive (140kW/190PS)
      • 114 d (70kW/95PS)
    • 6 Gran Coupe (F06)
      • 640 d (230kW/313PS)
      • 640 d xDrive (230kW/313PS)
    • 3 Gran Turismo (F34)
      • 320 d (135kW/184PS)
      • 330 d xDrive (190kW/258PS)
      • 330 d (190kW/258PS)
      • 335 d xDrive (230kW/313PS)
      • 318 d (110kW/150PS)
      • 320 d (140kW/190PS)
      • 320 d xDrive (140kW/190PS)
      • 330 d (210kW/286PS)
      • 330 d xDrive (210kW/286PS)
    • 4 Gran Coupe (F36)
      • 420 d (135kW/184PS)
      • 420 d xDrive (135kW/184PS)
      • 430 d (190kW/258PS)
      • 430 d xDrive (190kW/258PS)
      • 435 d xDrive (230kW/313PS)
      • 430 d (210kW/286PS)
      • 430 d xDrive (210kW/286PS)
      • 420 d (140kW/190PS)
      • 420 d xDrive (140kW/190PS)
      • 418 d (110kW/150PS)
    • X4 (F26)
      • xDrive 30 d (190kW/258PS)
      • xDrive 35 d (230kW/313PS)
    • 2 Active Tourer (F45)
      • 218 d (110kW/150PS)
      • 216 d (85kW/116PS)
      • 220 d (140kW/190PS)
      • 220 d xDrive (140kW/190PS)
      • 214 d (70kW/95PS)
      • 218 d xDrive (110kW/150PS)
    • 2 Kabriolets (F23)
      • 220 d (140kW/190PS)
      • 218 d (110kW/150PS)
    • X6 (F16, F86)
      • xDrive 40 d (230kW/313PS)
    • 2 Gran Tourer (F46)
      • 216 d (85kW/116PS)
      • 218 d (110kW/150PS)
      • 220 d xDrive (140kW/190PS)
      • 214 d (70kW/95PS)
      • 220 d (140kW/190PS)
      • 218 d xDrive (100kW/136PS)
    • 3 (F30, F80)
      • 318 d (110kW/150PS)
      • 318 d xDrive (110kW/150PS)
    • X1 (F48)
      • sDrive 18 d (110kW/150PS)
      • xDrive 18 d (110kW/150PS)
      • xDrive 20 d (140kW/190PS)
      • sDrive 20 d (140kW/190PS)
      • sDrive 20 d (120kW/163PS)
  • MINI
    • MINI COUNTRYMAN (R60)
      • Cooper SD (105kW/143PS)
    • MINI PACEMAN (R61)
      • Cooper D (82kW/112PS)
    • MINI (F55)
      • Cooper D (85kW/116PS)
      • Cooper SD (125kW/170PS)
      • One D (70kW/95PS)
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