Reservoir Specifications:

  • Direct replacement for originals that are cracked or broken
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction

Level Sensor Specifications:

  • Direct replacement
  • Mounts in the overflow (expansion) tank
  • Correct fit and electrical connector

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!


Vehicle Fit

  • 2000 BMW 323Ci Radiator Coolant Overflow Tank
  • 1999-2000 BMW 323i Radiator Coolant Overflow Tank
  • 2001-2005 BMW 325Ci Radiator Coolant Overflow Tank
  • 2001-2004 BMW 325Xi Radiator Coolant Overflow Tank
  • 2005 BMW 325Xi Radiator Coolant Overflow Tank (Built Before 6/05 Production Date)
  • 2001-2004 BMW 325i Radiator Coolant Overflow Tank
  • 2000 BMW 328Ci Radiator Coolant Overflow Tank
  • 1999-2000 BMW 328i Radiator Coolant Overflow Tank
  • 2001-2004 BMW 330Xi Radiator Coolant Overflow Tank
  • 2005 BMW 330Xi Radiator Coolant Overflow Tank (Built Before 6/05 Production Date)
  • 2001-2004 BMW 330i Radiator Coolant Overflow Tank
  • 2005 BMW 330i Radiator Coolant Overflow Tank (Built Before 6/05 Production Date)
  • 2004-2005 BMW X3 Radiator Coolant Overflow Tank V6 3.0L
  • 2006-2008 BMW X3 Radiator Coolant Overflow Tank L6 3.0L
  • 2001-2004 BMW X5 Radiator Coolant Overflow Tank L6 3.0L
  • 2005 BMW X5 Radiator Coolant Overflow Tank L6 3.0L (Built Before 6/05 Production Date)
  • 2005 BMW X5 Radiator Coolant Overflow Tank V8 4.4L (Built Before 6/05 Production Date)
Part #: 1AHCK00017

Ships Same Day for orders placed by 4 P.M. ET

We're here to help

1A Auto Parts

Customer Feedback

"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
- Dwuan M.
Read More