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01-06-2024, 01:34 PM | #1 |
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Looking to buy 2021 750i - Need Help!
Hello Forum,
Looking to buying a 2021 750i with 31K miles. Had PPI done. As you can see in the attached pictures, couple of the brake calipers and the muffler have surface rust on them. Questions: 1. Is the rusting of the calipers and muffler normal? 2. If not, are the repairs covered by warranty? 3. If not covered by warranty, cost to replace? 4. If everything else was OK with the car, would you buy with these two issues present? Many thanks for your help. |
01-06-2024, 05:45 PM | #2 |
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Yes, surface corrosion under the vehicle is normal. It's a 3 year old used car in a state where roads get salted. Not a warranty items since they are not defects.
Personally, I would be more concerned about all of the missing fasteners for the heatshields and underbody aeroshields (not to mention what looks to be damage to them). Mismatched tires too |
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01-06-2024, 08:44 PM | #3 |
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The calipers are mostly made up of aluminum. They won't rust BUT they do corrode - most likely caused by brake particles reacted with salt. If you really want the car and everything else checked out to be fine, you can either clean the corroded part and repaint it or buy a new/used set and replace.
The exhaust doesn't look terrible though. The G12 contains fewer steel parts compared to other BMW models, I wouldn't be concerned too much about rust. Ditto on what AllIn216 mentioned above. |
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01-07-2024, 12:37 AM | #4 | |
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01-07-2024, 12:39 AM | #5 | |
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01-07-2024, 05:10 AM | #6 |
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Pretty much the whole underbody should be covered with plastic panels. You should not be able to see all the air, fuel and power lines. You really dont want to drive around like that or there is a high risk of damage to those lines and underbody.
As mentioned above regarding brakes, then this is not a caliper rust. It is iron content from pads and rotors that have deposited onto caliper and have started oxidizing there. You might even get it nice and clean with wheel acid. Those caliper paints are really strong and durable. From those pictures I cant see any exhaust rust. Just normal heat discoloration along the run. If you like this car, then I suggest you take it somewhere for pre purchase inspection so they would identify all the missing components on the car. |
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01-07-2024, 05:57 PM | #9 | |
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In my experience, few things are expensive as a "cheap" luxury vehicle can be. |
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01-08-2024, 12:21 AM | #10 | |
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buying advice, muffler replacement, rust, rust brake |
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