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BMW 3-Series (E90 E92) Forum
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E91 Rear arch rust
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| 01-26-2026, 08:32 AM | #1 |
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E91 Rear arch rust
Today I noticed some rust starting to form on the rear arches on both sides. It hasn’t caused any bubbling yet but want to tackle it sooner rather than later.
What’s the best thing to do? Thanks |
| 01-26-2026, 04:27 PM | #2 |
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Sand, rust prevention coating, paint. It's not fun, but it's kinda the only way that's within reason. Then, in a few salt-exposed years, it'll come back. But hopefully not that soon.
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StradaRedlands11290.50 tcphoto5234.00 |
| 01-31-2026, 08:04 AM | #3 | |
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Literally just had mine off this morning and it's very bad news. Mine only look slightly worse then yours too. You also won't believe the amount of shite and grime those awful carpet like arch liners hold and hide. Sadly they're going to need doing are mine, and with a rebuilt engine on 50k I dont have much of a choice. |
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StradaRedlands11290.50 |
| 01-31-2026, 10:08 AM | #4 | |
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Do you have any idea on the costs of getting them sorted? |
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| 02-04-2026, 12:57 PM | #5 |
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