03-15-2017, 12:12 AM | #1 |
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My 2 years old M235i is rusting :-(
Well, not the entire car - but what would you guys do if your rotors and exhaust tips looked as on these pictures? During my last warranty service (we only have 2 years factory warranty here), my Dealer said they won't replace them... Comments, please?
Piotr
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03-15-2017, 02:37 AM | #2 |
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Exhaust tips doesn't look like rust - more like corrosion and/or caked on soot from the exhaust from lack of cleaning.
Brake rotors always rust after rain or washing the car - not sure what you're concerned about here. It's just surface rust. What I'd be more concerned about is why your pad is not sweeping the entire surface of the rotor. |
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03-15-2017, 03:31 AM | #5 |
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Tail pipes I'd replace by pulling them off after I found a replacement I liked.
The roter hats rust and you can always paint those as well as the edge with high heat paint to keep them from rusting. However after looking it appears your pad is not making complete contact in that picture you posted. Might need new pads mate! |
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03-15-2017, 04:28 AM | #6 |
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iDrive says still good for 60 kkm...
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03-15-2017, 06:59 AM | #7 | |
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03-15-2017, 08:02 AM | #8 |
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I have black tips and clean and polish them regularly. They look new, no soot. I painted my calipers black. Rust goes away on rotors. A little TLC and your problems are solved.
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03-15-2017, 08:17 AM | #9 |
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I have the same issue with my tailpipes, and it isn't exhaust residue, it is corrosion of the black powder coating down to the under-metal. I've read that some have gotten replacements from dealership (in the USA - if Poland is shorting you so bad on maintenance, they probably also stiff you on this stuff). Come springtime I am going to try to get a replacement, or turn them upside down to show the fresher side. I don't wash/polish every week, but I'm pretty good about it, and I DK what would work as a protectant under these conditions (and not light on fire - don't want to look like one of those flamin' Lambos on the Fail videos).
In the winter I try not to look at the car with 'detailer eyes' so DK about my rotor hats, but I have seen fully rusted hats (no silver left) on even the nicest BMWs (i.e. 5 and 7 series), so I figured this is in our future someday. You should check out the pad coverage w/ the dealership - the maintenance interval is just a computer guess on pad thickness, and the pic looks like it may be something mechanical that is out of shape (but to be honest I'm just assuming the pad should sweep most of the disc, and not leave such a big ring outside - are all 4 wheels showing the same pattern?). |
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03-15-2017, 08:56 AM | #10 | |
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You only get a 2 year warranty on the 2-series? Or are you referring to the "free" annual maintenance (oil change, etc)?
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03-15-2017, 08:57 AM | #11 |
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I'd take it to a different dealer if the current one didn't notice what others have pointed out about your pads. Typically there's maybe an eighth inch lip that isn't covered. If they didn't see that as a problem (Not of rust but of possible brake function issues) and at least inspect the brakes, I wouldn't trust much of what they say.
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03-15-2017, 09:01 AM | #12 | |
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You can buy the "extended warranty" for up to 3 additional years (5 years in total), but its limited in many ways compared to the 2-year factory warranty. Piotr
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03-15-2017, 09:54 AM | #13 |
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I was thinking something totally different when reading the subject. The rotors are common and if you want to prevent the tailpipe soot, then get them coated in cquartz or similar. I give mine a monthly wipe down and it comes off like dust! good luck man.
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03-15-2017, 02:50 PM | #14 |
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Tailpipes need a proper cleaning is all..
Rotor hats are aluminum, so they can be srcub'd with an abrasive cleaning pad and some aluminum wheel cleaner. Did mine before storage and they look better than new, almost polished. Aside from that, this is just lack of due diligence in the cleaning dept. We're all guilty of it, but some let things go longer than others and sometimes the corrosion is so bad you need to replace pieces.. The rotor surface has an issue and should be addressed, as your pads are not making complete contact with the rotor, as stated above.
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03-15-2017, 11:51 PM | #15 | |
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Piotr
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03-16-2017, 10:38 AM | #16 | |
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03-17-2017, 03:02 AM | #17 | |
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Piotr
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03-18-2017, 02:37 AM | #18 | |
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03-21-2017, 03:19 AM | #19 | |
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To the service it goes today... Piotr
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03-21-2017, 11:31 AM | #20 |
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So now I'm even more lost: they disassembled the brakes and inspected everyting: apart from the rotor still looking as in the picture above, all the pads are like new; no dirt or other debris; no discoloration or other changes on the pads' surface; the surface is perfectly planar... Go figure...
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03-22-2017, 07:56 AM | #21 |
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Just a thought... could someone have fitted the wrong pads (too small) ?
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03-22-2017, 08:43 AM | #22 |
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No, the pads are OK and original. Besides, I used the car for 2 years w/o such a thing ever happening to my rotors
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