BMW 328i water pump and battery location assistance needed on BMW 328i

Submitted by Supreame · Jun 23, 2025
Published by RepairPal

Problem overview

Some BMW 328i owners report experiencing issues with the water pump, such as it running constantly and draining the battery, which may indicate a malfunction that requires prompt attention. Additionally, these owners note that the water pump is typically located in the same area as in other BMW 3 and 4 series models, and they emphasize the importance of following proper procedures during replacement to prevent overheating issues. Furthermore, some owners find it confusing to locate the battery, which is usually situated in the trunk, and they recommend cleaning the battery cables with a baking soda and water mixture before replacement to avoid corrosion. It is also advised to consult the owner's manual for specific instructions, as the battery location may vary by model year. For any persistent issues with the water pump or battery, seeking assistance from a professional mechanic is recommended.

2 people reported this problem
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BMW 328i vehicles with this problem

1 model year affected
Average mileage: 82,432 miles
(82,432 - 82,432)

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