BMW iX Owner's Manual page 342

MOBILITY Operating materials
Overview
The washer fluid reservoir is located under the
hood.
Refilling washer fluid
To open the container, press on the lower
edge of the emblem on the hood. The lid
opens when the vehicle is unlocked.
Malfunction
The use of undiluted windshield washer fluid
concentrate or alcohol-based antifreeze can
lead to incorrect readings at temperatures be-
low +5 ℉/-15 ℃.
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Online Edition for Part no. 01405A6B2E9 - X/22