Accueil » Radiator Coolant Overflow Expansion Tank for BMW 3 Z4 X3 E46 E83 E85 E86

Radiator Coolant Overflow Expansion Tank for BMW 3 Z4 X3 E46 E83 E85 E86

Unité de gestion de stock: 1005010081357950-17137787039
Color
€93,78
-33% €140,67 €93,78

Main Description

Keep your BMW cooling system performing reliably with this Radiator Coolant Overflow Expansion Tank, a direct replacement designed to match original specifications for a seamless fit on a range of E46, Z4, X3, and Z4 Coupe models. This expansion tank is offered without a cover and is engineered to provide the essential space for coolant expansion, helping prevent overflow and maintaining consistent engine temperatures. With OEM compatibility and precise dimensions, it integrates smoothly into the factory setup, restoring proper cooling system function without guesswork.

Manufactured to the original specification, this expansion tank delivers a factory-like fit and dependable durability. Its broad compatibility means it’s suitable for multiple BMW configurations—whether you’re servicing an E46 3 Series sedan, coupe, touring, or convertible, or working on Z4 and X3 variants. The part number 17137787039 (OE 17137787039 / 17117573781) ensures you’re getting a trusted replacement that aligns with your vehicle’s cooling system design. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

At InterCyprus, we’ve built a reputation for quality and reliability since 2002, and this expansion tank is part of that commitment—offering reliable performance, straightforward installation, and long-term value for BMW enthusiasts and professionals alike.

Note: This is an expansion coolant water tank without a cover, listed for compatibility with the BMW E46, E83, E85 and E86 family as detailed below.

Benefits & Tips

  • Factory-match fit: Manufactured according to original specifications for a precise, plug-and-play installation on listed BMW models.
  • Easy, direct replacement: Designed for straightforward installation with minimal tools, helping you quickly restore your cooling system.
  • Wide model compatibility: Suitable for BMW 3 Series E46 variants (sedan, coupe, touring, convertible, compact), Z4 (E85) and Z4 Coupe (E86), plus X3 (E83).

Product Specifications

  • Item Length: 37 cm
  • Item Width: 12.5 cm
  • Item Height: 12.5 cm
  • Item Weight: 1 kg
  • OEM Part Number: 17137787039
  • Manufacturer Part Number: 17137787039
  • Origin: Mainland China
  • Other Part Number(s): 17137787039, 17117573781
  • Fitment (vehicles listed): BMW 3 Series (E46) 1998/02 – 2005/04; 3 Coupe (E46) 1999/04 – 2006/07; 3 Touring (E46) 1999/10 – 2005/02; 3 Convertible (E46) 2000/04 – 2007/12; 3 Compact (E46) 2001/06 – 2005/02; Z4 (E85) 2003/02 –; X3 (E83) 2004/01 –; Z4 Coupe (E86) 2006/03 –
  • Includes: Expansion Tank
  • Note: Expansion Coolant Water Tank Without Cover

Package includes:

  • 1× Expansion Tank

Warnings / Reminders

  • Expansion Tank is without a protective cover and is intended as a direct replacement for the listed BMW models.
  • Verify compatibility with your vehicle using the listed OEM/Part Numbers (17137787039 / 17117573781) and fitment years before purchasing.
  • Ensure correct installation to maintain cooling system integrity and prevent leaks.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Providing quality and trusted service since 2002 at intercyprus.com.