Coolant Reservoir Cap

Compatible with BMW 3 (E30) , BMW 3 (E36) , BMW 3 Coupe (E36) Show more info
Ensures a secure seal for your vehicle's coolant reservoir, preventing leaks and maintaining optimal system pressure.
3.10 EUR
inc. VAT 21%
In stock 222
Delivery 1 day (14.05.2026)
PN 500 343
Make TOPRAN

This coolant reservoir cap from TOPRAN is designed to fit specific vehicle models, ensuring a proper seal for your cooling system. A properly functioning cap is crucial for maintaining the correct pressure within the cooling system, which is essential for efficient heat dissipation and preventing engine overheating. Crafted with durable materials, this cap is built to withstand the demanding conditions of the engine bay, offering reliable performance and longevity.

  • Direct replacement for original part
  • Ensures proper sealing of the coolant reservoir
  • Helps maintain correct system pressure
  • Durable construction for long service life
  • Designed for specific vehicle applications
  • Prevents coolant leaks and evaporation
Opening pressure [bar]
2
Material
Plastic
Mounting type
Bolted joint
Color
black
  • BMW
    • 3 (E30)
      • 318 is (100kW/136PS)
    • 3 (E36)
      • 316 i (75kW/102PS)
      • 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)
      • M3 3.2 (236kW/321PS)
      • M3 3.0 (210kW/286PS)
    • 3 Coupe (E36)
      • 318 is (103kW/140PS)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • 316 i (75kW/102PS)
      • M3 3.0 (210kW/286PS)
      • 328 i (142kW/193PS)
      • 318 is (103kW/140PS)
      • 323 i (125kW/170PS)
      • M3 3.2 (236kW/321PS)
    • 5 (E34)
      • 520 i 24V (110kW/150PS)
      • 525 i 24V (141kW/192PS)
      • 525 iX 24V (141kW/192PS)
      • 530 i (138kW/188PS)
      • 530 i V8 (160kW/218PS)
      • 535 i (155kW/211PS)
      • M5 (232kW/315PS)
      • M5 (250kW/340PS)
      • 540 i V8 (210kW/286PS)
      • 518 i (85kW/115PS)
    • 5 Touring (E34)
      • 520 i (110kW/150PS)
      • 525 i (141kW/192PS)
      • 525 ix (141kW/192PS)
      • 530 i (160kW/218PS)
      • 540 i (210kW/286PS)
      • 518 g (74kW/101PS)
      • M5 (250kW/340PS)
      • 518 i (85kW/115PS)
    • 7 (E32)
      • 730 i, iL (138kW/188PS)
      • 730 i, iL V8 (160kW/218PS)
      • 735 i, iL (155kW/211PS)
      • 735 i, iL (162kW/220PS)
      • 740 i, iL V8 (210kW/286PS)
      • 750 i, iL V12 (220kW/300PS)
    • 3 Kabriolets (E36)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • 318 i (85kW/115PS)
      • M3 3.0 (210kW/286PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • M3 3.2 (236kW/321PS)
    • 7 (E38)
      • 730 i, iL (160kW/218PS)
      • 740 i, iL (210kW/286PS)
      • 750 i, iL (240kW/326PS)
      • 740 i, iL (210kW/286PS)
      • 728 i, iL (142kW/193PS)
      • 735 i, iL (173kW/235PS)
    • 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)
    • 6 Kabriolets (F12)
      • M6 (412kW/560PS)
      • 650 i xDrive (330kW/449PS)
      • 650 i (330kW/449PS)
    • 5 (E39)
      • 520 i (110kW/150PS)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
      • 540 i (210kW/286PS)
      • 535 i (173kW/235PS)
      • M5 (294kW/400PS)
      • 535 i (180kW/245PS)
      • 520 i (125kW/170PS)
      • 525 i (141kW/192PS)
      • 530 i (170kW/231PS)
    • Z3 Roadster (E36)
      • 1.9 i (103kW/140PS)
      • 1.8 i (85kW/116PS)
      • 2.8 i (142kW/193PS)
      • M 3.2 (236kW/321PS)
      • 1.9 i (87kW/118PS)
      • 2.0 i (110kW/150PS)
      • 3.0 i (170kW/231PS)
      • 2.2 i (125kW/170PS)
      • M 3.2 (239kW/325PS)
    • 5 Touring (E39)
      • 520 i (110kW/150PS)
      • 523 i (125kW/170PS)
      • 540 i (210kW/286PS)
      • 528 i (142kW/193PS)
      • 520 i (125kW/170PS)
      • 525 i (141kW/192PS)
      • 530 i (170kW/231PS)
    • Z3 Coupe (E36)
      • 2.8 i (142kW/193PS)
      • M (236kW/321PS)
      • 3.0 i (170kW/231PS)
      • M (239kW/325PS)
    • 3 (E46)
      • 318 i (87kW/118PS)
      • 328 i (142kW/193PS)
      • 320 d (100kW/136PS)
      • 323 i (125kW/170PS)
      • 320 i (110kW/150PS)
      • 316 i (77kW/105PS)
      • 330 xi (170kW/231PS)
      • 320 i (125kW/170PS)
      • 325 i (141kW/192PS)
      • 325 xi (141kW/192PS)
      • 316 i (77kW/105PS)
      • 318 i (105kW/143PS)
      • 316 i (85kW/115PS)
      • 316 i (85kW/115PS)
    • 3 Coupe (E46)
      • 323 Ci (125kW/170PS)
      • 328 Ci (142kW/193PS)
      • 320 Ci (110kW/150PS)
      • 318 Ci (87kW/118PS)
      • M3 (252kW/343PS)
      • 320 Ci (125kW/170PS)
      • 325 Ci (141kW/192PS)
      • 316 Ci (77kW/105PS)
      • 318 Ci (105kW/143PS)
      • M3 CSL (265kW/360PS)
      • 316 Ci (85kW/115PS)
      • 318 Ci (110kW/150PS)
      • 330 Ci (170kW/231PS)
    • 3 Touring (E46)
      • 320 i (110kW/150PS)
      • 318 i (87kW/118PS)
      • 328 i (142kW/193PS)
      • 320 d (100kW/136PS)
      • 330 xi (170kW/231PS)
      • 330 i (170kW/231PS)
      • 320 i (125kW/170PS)
      • 325 i (141kW/192PS)
      • 325 xi (141kW/192PS)
      • 318 i (105kW/143PS)
      • 316 i (85kW/115PS)
    • 5 (F10)
      • 530 i (200kW/272PS)
      • M5 (412kW/560PS)
      • 523 i (150kW/204PS)
      • 528 i (190kW/258PS)
    • X5 (E53)
      • 4.4 i (210kW/286PS)
      • 4.6 is (255kW/347PS)
      • 3.0 i (170kW/231PS)
      • 4.4 i (235kW/320PS)
      • 4.8 is (265kW/360PS)
    • 3 Kabriolets (E46)
      • 323 Ci (125kW/170PS)
      • 330 Ci (170kW/231PS)
      • 320 Ci (125kW/170PS)
      • 325 Ci (141kW/192PS)
      • M3 (252kW/343PS)
      • 318 Ci (105kW/143PS)
      • 318 Ci (110kW/150PS)
    • 3 Compact (E46)
      • 316 ti (85kW/115PS)
      • 325 ti (141kW/192PS)
      • 318 ti (105kW/143PS)
      • 316 ti (85kW/115PS)
    • 7 (E65, E66, E67)
      • 735 i, Li (200kW/272PS)
      • 745 i, Li (245kW/333PS)
      • 760 i, Li (327kW/445PS)
      • 730 i, Li (170kW/231PS)
      • 740 i, Li (225kW/306PS)
      • 750 i, Li (270kW/367PS)
      • 730 i, Li (190kW/258PS)
    • Z4 Roadster (E85)
      • 3.0 i (170kW/231PS)
      • 2.5 i (141kW/192PS)
      • 2.2 i (125kW/170PS)
      • 2.0 i (110kW/150PS)
      • 2.5 i (130kW/177PS)
      • 2.5 si (160kW/218PS)
      • 3.0 si (195kW/265PS)
      • M (252kW/343PS)
    • X3 (E83)
      • 3.0 i xDrive (170kW/231PS)
      • 2.5 i (141kW/192PS)
      • 2.0 i (110kW/150PS)
      • 3.0 si (200kW/272PS)
      • 2.5 si (160kW/218PS)
    • Z4 Coupe (E86)
      • 3.0 si (195kW/265PS)
      • M (252kW/343PS)
    • 5 Touring (F11)
      • 523 i (150kW/204PS)
      • 528 i (190kW/258PS)
    • 5 Gran Turismo (F07)
      • 550 i (330kW/449PS)
      • 550 i xDrive (330kW/449PS)
    • 6 Gran Coupe (F06)
      • 650 i (330kW/449PS)
      • 650 i xDrive (330kW/449PS)
      • M6 (412kW/560PS)
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