1 per car.
- 36403
- 376731501
- 70825680NA
- B108901
- W01331663514
- New Mahle Behr 70825680NA expansion tank
- The coolant reservoir on your BMW holds excess coolant until needed by the engine’s cooling system, allows for expansion and contraction of the coolant as the coolant heats and cools, and regulates the overall pressure within the cooling system and the boiling point of the coolant.
- If the coolant reservoir develops a leak, the cooling system will not pressurize and your engine will lose coolant, resulting in your BMW’s engine to overheat.
- The Mahle Behr 70825680NA expansion tank is an original equipment replacement expansion tank for your 1998-2000 BMW 528i and 2001-2003 BMW 525i and 530i models.
“Left/Right or Front/Rear” notes means the part fits the left or right side of the car. These parts are still sold individually and you’ll
need to select the appropriate quantity if you plan to replace more than one of this item.





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