Coolant Expansion Tank for BMW E46 E83 E53 325i 330i 323i 328i 325xi X3 X5 320i

Direct-fit replacement tank for a wide range of BMW models. See full compatibility below.

Overview:

This coolant reservoir tank is designed as a high-quality aftermarket replacement for factory expansion tanks that are prone to cracking and leaking with age. This version includes the pressure cap and bleeder screw, but does not include a coolant level sensor — perfect if you’re reusing your existing sensor.

• Precision-molded for proper hose connections and factory mounting points

• Durable high-temperature plastic construction

• Includes threaded pressure cap and bleeder screw

• Built to match OE design and fitment

• Ships brand new, no manufacturer packaging

Compatible BMW Applications:

BMW 3-Series (E46 Chassis)

 • 1999–2000 323i

 • 2001–2005 325i, 325xi, 330i, 330xi

 • 2000–2000 328i

BMW X3 (E83)

 • 2004–2006 X3 2.5i, 3.0i

BMW X5 (E53)

 • 2001–2006 X5 3.0i

BMW 320i (Global markets)

Replaces OEM Part Numbers:

• 17111436251

• 17111436060

• 17117573781

• 17111437362

• Equivalent to dealer part in function and fit

What’s Included:

• Coolant expansion tank (new, unbranded aftermarket)

• Threaded pressure cap

• Bleeder screw

• Note: Does not include sensor – reuse your original if needed

Condition:

• Brand new, stored in bulk — no retail box

• May have light surface scuffs from shelf handling

• Never installed or used

• 100% function-tested prior to sale

Handling & Shipping:

• Ships within 3 business days

• Free standard shipping (USPS, UPS, or FedEx)

• Returns accepted within 30 days

About AIX Global:

We specialize in sourcing and distributing high-quality automotive, industrial, and electronic components. All parts are carefully selected, stored, and shipped from our U.S.-based facility.