I go to the wash bay when it is above 32F, and fill a bucket up and hand wash it in the bay. I still even use the 2 bucket method.
Then Take it home to the garage and give it a quick wax spray!
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Current: 2021 M340i xDrive
Previous: '18 340i xDrive; '15 335 xDrive; '14 435i xDrive; '09 335 E92 xDrive
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