TOPRAN Expansion Tank, Hydraulic Oil (Power Steering)

Compatible with BMW 3 Touring (E91) , BMW 3 (E90) , BMW X1 (E84) Show more info
Direct replacement expansion tank for hydraulic power steering fluid. Ensures proper system pressure and fluid level.
13.58 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (15.05.2026)
PN 502 578
Make TOPRAN

This TOPRAN expansion tank is specifically designed to hold hydraulic fluid for your vehicle's power steering system. It plays a crucial role in maintaining the correct fluid level and pressure, which is essential for the smooth and efficient operation of the power steering. Proper functioning of the expansion tank prevents leaks and air from entering the system, which can lead to steering difficulties and damage to other power steering components. This part is manufactured to meet or exceed original equipment specifications, ensuring a reliable fit and performance. Regular inspection and maintenance of the power steering fluid reservoir are important for the longevity of your steering system. This TOPRAN tank is a direct fit for the specified application, making replacement straightforward.

  • Designed for hydraulic power steering systems
  • Maintains correct fluid level and pressure
  • Prevents leaks and air ingress
  • Ensures smooth steering operation
  • Durable construction for longevity
  • Direct fit replacement
  • Part code: 502 578
Additional article/Additional info 2
with cover
OE-number
3241 6 851 218
  • BMW
    • 3 Touring (E91)
      • 318 d (100kW/136PS)
      • 316 d (85kW/116PS)
      • 325 i (160kW/218PS)
      • 330 i (190kW/258PS)
      • 325 xi (160kW/218PS)
      • 330 xi (190kW/258PS)
      • 335 i (225kW/306PS)
      • 335 d (210kW/286PS)
      • 335 xi (225kW/306PS)
      • 325 i (160kW/218PS)
      • 320 d (130kW/177PS)
      • 323 i (130kW/177PS)
      • 330 d (180kW/245PS)
      • 325 i xDrive (160kW/218PS)
      • 330 i xDrive (200kW/272PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 325 d (150kW/204PS)
      • 323 i (140kW/190PS)
      • 330 i (200kW/272PS)
    • 3 (E90)
      • 318 d (100kW/136PS)
      • 325 i (160kW/218PS)
      • 330 i (190kW/258PS)
      • 325 xi (160kW/218PS)
      • 330 xi (190kW/258PS)
      • 335 i (225kW/306PS)
      • 335 d (210kW/286PS)
      • 318 d (105kW/143PS)
      • 335 xi (225kW/306PS)
      • 325 i (160kW/218PS)
      • 325 xi (160kW/218PS)
      • 320 d (130kW/177PS)
      • 330 xi (200kW/272PS)
      • M3 (309kW/420PS)
      • 323 i (130kW/177PS)
      • 335 i xDrive (225kW/306PS)
      • 320 d xDrive (130kW/177PS)
      • 316 d (85kW/116PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 330 i (200kW/272PS)
    • X1 (E84)
      • xDrive 28 i (180kW/245PS)
      • xDrive 20 i (135kW/184PS)
      • xDrive 28 i (190kW/258PS)
      • sDrive 18 d (105kW/143PS)
      • xDrive 18 d (105kW/143PS)
      • xDrive 20 d (130kW/177PS)
      • sDrive 20 d (130kW/177PS)
      • xDrive 23 d (150kW/204PS)
      • xDrive 20 d (120kW/163PS)
      • xDrive 18 d (100kW/136PS)
      • xDrive 25 i (160kW/218PS)
      • xDrive 25 d (160kW/218PS)
    • 1 (E81)
      • 130 i (195kW/265PS)
      • 118 d (105kW/143PS)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
      • 116 d (85kW/116PS)
    • 3 Coupe (E92)
      • 335 i (225kW/306PS)
      • 335 d (210kW/286PS)
      • 325 i (160kW/218PS)
      • 330 i (200kW/272PS)
      • 325 xi (160kW/218PS)
      • 330 xi (200kW/272PS)
      • 320 d (130kW/177PS)
      • 325 d (145kW/197PS)
      • M3 (309kW/420PS)
      • 325 xi (160kW/218PS)
      • 335 xi (225kW/306PS)
      • 330 d (180kW/245PS)
      • 330 i xDrive (200kW/272PS)
      • 320 d xDrive (130kW/177PS)
      • 330 d xDrive (180kW/245PS)
      • 320 d (135kW/184PS)
    • X3 (E83)
      • 3.0 si (200kW/272PS)
      • 2.5 si (160kW/218PS)
    • 3 Kabriolets (E93)
      • 335 i (225kW/306PS)
      • 330 d (170kW/231PS)
      • 325 i (160kW/218PS)
      • 325 d (145kW/197PS)
      • 320 d (130kW/177PS)
      • M3 (309kW/420PS)
      • 320 d (135kW/184PS)
      • 330 i (200kW/272PS)
      • 323 i (140kW/190PS)
    • 1 Coupe (E82)
      • 135 i (225kW/306PS)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
      • 125 i (160kW/218PS)
      • 118 d (105kW/143PS)
    • 1 Kabriolets (E88)
      • 125 i (160kW/218PS)
      • 135 i (225kW/306PS)
      • 120 d (130kW/177PS)
      • 118 d (105kW/143PS)
      • 123 d (150kW/204PS)
    • 1 (E87)
      • 130 i (195kW/265PS)
      • 116 d (85kW/116PS)
      • 118 d (105kW/143PS)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
0 Updated