TOPRAN 500 789 Coolant Expansion Tank

Compatible with BMW 3 (E30) , BMW 3 Touring (E30) , BMW 3 (E36) Show more info
This coolant expansion tank from TOPRAN is designed to maintain optimal engine temperature by managing coolant levels.
15.29 EUR
inc. VAT 21%
In stock 16
Delivery 1 day (30.03.2026)
PN 500789
Make TOPRAN

The TOPRAN 500 789 Coolant Expansion Tank is a crucial component for your vehicle's cooling system. It serves as a reservoir for excess coolant, which expands when the engine heats up. By providing a space for this expansion, the tank prevents pressure buildup and potential damage to hoses and other cooling system parts. Proper functioning of the expansion tank is vital for preventing engine overheating. It allows the cooling system to operate efficiently under various temperature conditions, ensuring your engine stays within its optimal operating range. This ensures reliable performance and longevity of your engine. Crafted with durable materials, the TOPRAN 500 789 is built to withstand the demanding environment of the engine bay. It is designed for a precise fit, ensuring straightforward installation and reliable performance. Regular inspection of your expansion tank can help identify potential leaks or damage early on, preventing more significant issues.

  • Maintains optimal engine coolant levels
  • Manages coolant expansion due to heat
  • Prevents pressure buildup in the cooling system
  • Ensures efficient engine cooling
  • Durable construction for longevity
  • Designed for a precise fit and easy installation
  • Helps prevent engine overheating
  • Reliable performance under various conditions
Additional article/Additional info 2
without cap
Additional article/Additional info 2
with sealing ring
Material
Plastic
  • BMW
    • 3 (E30)
      • 316 i (73kW/100PS)
      • 318 i (83kW/113PS)
      • 318 is (100kW/136PS)
    • 3 Touring (E30)
      • 318 i (83kW/113PS)
      • 316 i (73kW/100PS)
    • 3 (E36)
      • 316 i (73kW/100PS)
      • 316 i (75kW/102PS)
      • 318 i (83kW/113PS)
      • 318 is (103kW/140PS)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • 318 i (85kW/115PS)
      • 318 is (103kW/140PS)
    • 3 Coupe (E36)
      • 318 is (103kW/140PS)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • 316 i (75kW/102PS)
      • 328 i (142kW/193PS)
      • 318 is (103kW/140PS)
      • 323 i (125kW/170PS)
    • 5 (E34)
      • 520 i (95kW/129PS)
      • 520 i 24V (110kW/150PS)
      • 525 i (125kW/170PS)
      • 525 i 24V (141kW/192PS)
      • 525 iX 24V (141kW/192PS)
      • 518 i (85kW/115PS)
      • 518 i (83kW/113PS)
    • 5 Touring (E34)
      • 520 i (110kW/150PS)
      • 525 i (141kW/192PS)
      • 525 ix (141kW/192PS)
      • 518 g (74kW/101PS)
      • 518 i (83kW/113PS)
      • 518 i (85kW/115PS)
    • 3 Kabriolets (E30)
      • 318 i (83kW/113PS)
    • 3 Kabriolets (E36)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • 318 i (85kW/115PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
    • 3 Compact (E36)
      • 318 ti (103kW/140PS)
      • 318 ti (103kW/140PS)
      • 323 ti (125kW/170PS)
      • 316 g (75kW/102PS)
      • 316 i (77kW/105PS)
    • 3 Touring (E36)
      • 320 i (110kW/150PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • 318 i (85kW/116PS)
      • 316 i (75kW/102PS)
    • 5 (E39)
      • 520 i (110kW/150PS)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
      • 540 i (210kW/286PS)
    • Z3 Roadster (E36)
      • 1.9 i (103kW/140PS)
      • 1.8 i (85kW/116PS)
      • 1.9 i (87kW/118PS)
    • 5 Touring (E39)
      • 520 i (110kW/150PS)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
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