TOPRAN Expansion Tank, Coolant

Compatible with BMW 7 (G11, G12) , BMW 5 (G30, F90) , BMW 5 Touring (G31) Show more info
This TOPRAN expansion tank is designed for the cooling system. It helps maintain optimal coolant levels and pressure.
52.04 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (14.05.2026)
PN 504 339
Make TOPRAN

The expansion tank, also known as a coolant reservoir, plays a crucial role in your vehicle's cooling system. It accommodates the expansion and contraction of coolant as it heats up and cools down, preventing excessive pressure buildup. This component from TOPRAN is engineered to meet specific vehicle requirements, ensuring proper fitment and function. A properly functioning expansion tank is essential for preventing overheating and maintaining the longevity of your engine. Regular inspection of the expansion tank for leaks, cracks, or damage is recommended. Ensuring the coolant level is maintained within the designated marks on the tank is vital for the cooling system's efficiency.

  • Direct replacement for original equipment
  • Ensures proper coolant expansion and contraction
  • Helps maintain correct system pressure
  • Made from durable materials for longevity
  • Essential for preventing engine overheating
  • Designed for specific vehicle applications
  • Part of the cooling system's pressure regulation
Additional article/Additional info 2
without cap
Number of pin contacts
2
  • BMW
    • 7 (G11, G12)
      • 730 d, Ld (195kW/265PS)
      • 730 d, Ld xDrive (195kW/265PS)
      • 740 d, Ld xDrive (235kW/320PS)
      • 725 d, Ld (170kW/231PS)
    • 5 (G30, F90)
      • 520 d (140kW/190PS)
      • 520 d xDrive (140kW/190PS)
      • 530 d (195kW/265PS)
      • 530 d xDrive (195kW/265PS)
      • 520 d (120kW/163PS)
      • 525 d (170kW/231PS)
      • 540 d xDrive (235kW/320PS)
      • 518 d (100kW/136PS)
      • 518 d (110kW/150PS)
    • 5 Touring (G31)
      • 520 d (140kW/190PS)
      • 530 d (195kW/265PS)
      • 530 d xDrive (195kW/265PS)
      • 540 d xDrive (235kW/320PS)
      • 525 d (170kW/231PS)
      • 520 d xDrive (140kW/190PS)
      • 518 d (110kW/150PS)
      • 518 d (100kW/136PS)
      • 520 d Mild-Hybrid xDrive (140kW/190PS)
      • 518 d Mild-Hybrid (100kW/136PS)
      • 518 d Mild-Hybrid (110kW/150PS)
      • 520 d Mild-Hybrid (120kW/163PS)
    • 6 Gran Turismo (G32)
      • 630 d (195kW/265PS)
      • 630 d xDrive (195kW/265PS)
      • 640 d xDrive (235kW/320PS)
      • 620 d (140kW/190PS)
      • 620 d xDrive (140kW/190PS)
      • 620 d (120kW/163PS)
      • 620 d xDrive (120kW/163PS)
      • 620 d Mild-Hybrid (140kW/190PS)
      • 620 d Mild-Hybrid xDrive (140kW/190PS)
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