04-09-2025, 05:55 PM | #1 |
Private First Class
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Drives: 2025 M4 Competition
Join Date: Jun 2024
Location: Southern California
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Brush to get behind those massive calipers and wheels
Greetings,
Many have asked about a brush to get behind the massive front calipers on M3's and M4's. Amazon sells sheets of plastic (recommend 0.12" or 3 mm thickness) in 8" x 12". Cut off an inch or so and glue, rivet (protect with racer's tape or other protection) or bond two strips together (see pic below) for length. Then, take your old microfiber towel and hot glue the towel to the end. This brush or swab will fit between the caliper and wheel. Good luck with the constant and never ending chore of cleaning your wheels. Semper Fi |
04-09-2025, 09:13 PM | #2 |
Lieutenant
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Drives: 2021 M340i xDrive
Join Date: Jun 2021
Location: USA
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A ceramic coating on the wheels goes a long way to lessen the effort needed to clean them. You'll still need mechanical agitation to get them fully clean, but it'll be a light effort. There are thin microfiber wheel/wheel barrel cleaners out there. That's quite thin - are you able to easily replace?
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2021 M340 xDrive, Alpine White - Totaled
2025 M340 xDrive, Arctic Race Blue - On Order |
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