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Engine Coolant Expansion Reservoir for BMW (OE 17117573781, 17132247553)

BDFHYK ★ 3.7/5 · ItemOracle Score Budget

$31 USD
Price subject to change
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BDFHYK Engine Coolant Expansion Reservoir Overflow Tank Compatible with BMW 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi X3 X5 Replace 603-535 17117573781 17137787039 17132247553

Expansion reservoir for BMW coolant system with OE-grade durability. Supports proper cooling and compatibility across multiple BMW models. Customers report good fit and easy installation, with some leakage/crack concerns

Highlights

  • OE-number compatibility
  • Broad BMW model coverage
  • Easy install
  • Brand: BDFHYK

Pros

  • OE-grade durability
  • Precise fit for listed BMW models
  • Easy installation
  • Good value for money
  • Clear OE numbers referenced

Cons

  • Possible leakage over time
  • Cracking after several trips
  • Overheating issues reported by some customers

Best For

  • replacement during cooling system service
  • vehicle maintenance for BMW 3xx series
  • coolant system expansion reservoir upgrade
  • OEM-number-based part replacement
  • pre-2006 BMW chassis cooling components
  • BMW X3/X5 cooling reservoir swap

Features

  • Compatible with multiple BMW models listed by OE numbers
  • OE standard: 17117573781 and additional OE references 17132247553, 17137787039, 17111436413, 17111468077, 17111712669
  • Brand new, high quality auto part built to OE grade durability

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