2001-2003 BMW 525i Radiator Overflow Bottle

This part replaces:

  • OE # 17 11 1 436 381
  • Dorman 603-536

  • New

Our coolant overflow bottles are some of the highest quality replacements on the market!


  • Direct replacement for originals that are cracked or broken
  • Strengthened and redesigned in the vulnerable areas of failure
  • Plastic construction
  • Commonly called Coolant Recovery Tank by BMW
  • Fits E39 body chassis type
  • Does not include cap
    • Buyer will need to reuse original cap

Now you can buy a high quality coolant reservoir that is built to strict quality control standards. REPLACE your broken or cracked one now with this great fitting Radiator Overflow Bottle.

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.

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Vehicle Fit

  • 2001-2003 BMW 525i Radiator Overflow Bottle
  • 1999-2000 BMW 528i Radiator Overflow Bottle
  • 1999-2000 BMW 528iT Radiator Overflow Bottle
  • 2001-2003 BMW 530i Radiator Overflow Bottle
$ 42.95
Save 44%
List: $76.83 Save: $33.88
Part #: 1AROB00023

Ships Same Day for orders placed by 5 P.M. ET


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Customer Feedback

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.
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For Orders Placed By 5pm Est