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BMW 3-Series (E90 E92) Forum
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Car wash
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11-13-2024, 05:16 AM | #2 |
Private First Class
76
Rep 127
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The engine bay isn't completely sealed off from the outside of the car. It's also designed to let airflow around for cooling so water will get in there. They try to protect critical components with covers and boxes. I always see some water in there after I clean. Some secondary water getting in is harmless.
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