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      07-20-2013, 05:58 PM   #1
shwinturbo
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Could this be water damage? 335i

So I am checking out a 335i sedan and noticed that the drivers side seat bolt (the one closest to the door) had signs of rust and possible salt residue.

the rest of the car didnt show signs of water damage (didnt get to check under the trunk carpet yet)

my question is:

- is this a common issue on the e90/e92 specifically 335i?
- could it be possible that this is NOT an issue that would effect the whole car?
- how could this have happened if the car wasnt submerged/ partially submereged in water

ps. i am scheduling a PPI

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      07-20-2013, 09:04 PM   #2
bumere90
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very much possible. get it inspected
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      07-20-2013, 09:05 PM   #3
roadkillrob
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If it was a snow belt car, that would be pretty normal for a car as salt and snow get tracked in them it melts and the salty water rusts the seat tracks.
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      07-20-2013, 10:27 PM   #4
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Quote:
Originally Posted by roadkillrob View Post
If it was a snow belt car, that would be pretty normal for a car as salt and snow get tracked in them it melts and the salty water rusts the seat tracks.
Could be from this
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      07-21-2013, 03:47 AM   #5
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as trentOSU would say....that car is totaled and not worth buying bro
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      07-21-2013, 04:02 AM   #6
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Unfortunately, that's normal for a car that goes through harsh winter conditions, in addition with the salt on the roads. Also, the snow accumulation from boots in the footbay, that melts from the heater.. Then when you start adjusting the seats etc, water surfaces the tracks and dries out.. surface rust. If you do remove those tracks OR replace them, make sure you also purchase BRAND NEW BOLTS for those tracks. I think it's almost mandatory to replace track bolts once removed to NEW BOLTS for safety issues?
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      07-21-2013, 04:29 AM   #7
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My car is the same, in fact every BMW Ive ever seen in Canada is the same. Nothing to worry about.
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      07-21-2013, 09:26 AM   #8
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Quote:
Originally Posted by roadkillrob View Post
If it was a snow belt car, that would be pretty normal for a car as salt and snow get tracked in them it melts and the salty water rusts the seat tracks.
and if you don't live in the rust belt, buy a non-rusted 335i.
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      07-21-2013, 11:35 AM   #9
shwinturbo
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I live in the northeast where we get a fair amount of snow during the winter. This bolt seems to be the only sign of rust in the interior im going to get it inspected but it sounds like its a negligible issue related to snow dragged inside the car
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      07-21-2013, 11:58 AM   #10
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My last car came from up north, and had that in the seat rails. I just masked off the area with some old rags, and soaked the rails with WD-40. I then took an old toothbrush and scrubbed the rails clean, and add a big dab of mechanical grease and wiped it up and down the inside of the rail. Worked as good as new.
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      07-22-2013, 08:45 AM   #11
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some rust is normal. My old car also had rust in some of the seat's unprotected metal parts. It just just steel or iron and they rust when exposed to oxygen. that looks normal to me, if it was water, it would be a lot worse.
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      07-22-2013, 09:10 AM   #12
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Surface rust on exposed metal is certainly normal for cars from anywhere with appreciable snow, as others have mentioned. High humidity can also accelerate rusting. If that is the extent of your concerns, I wouldn't worry too much about it. Better yet, take the car to a trusted indy mechanic for a PPI. That will be money well spent.
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      07-22-2013, 09:13 AM   #13
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My 06 325i is the same way and it's a north Texas car and it has never been under water from day 1. I will have the cars carpets cleaned when it's detailed and I think this is the cultrate. You can remove the seat bolts, clean them, and spray a light coat clear coat or rust inhibitor on them and solve the problem.
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