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Old 11-07-2017, 10:54 PM   #16
Бумер
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Time for an update.

The crossbeam was rotted beyond repair. I had to fabricate up a new one since I don't believe BMW makes this piece (at least I couldn't find it). The corner sections were still ok so I cleaned them up and rewelded.




While poking around discovered driver side wheel well had some rust on the bottom. Ended up cutting out and redoing the whole corner.





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Old 12-02-2017, 08:01 PM   #17
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The good news is rear undercarriage is just about done.

Now the bad news. Started poking the floor in the driver's area and poked a rather large hole. After yanking the carpet and doing some more poking discovered a rather large hole. Looks like it rusted out from the inside so water must've been getting into the driver floor area.

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Old 12-03-2017, 12:56 AM   #18
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Eek. Although not terminal, I'd be a little concerned about the condition of the frame rail!
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Old 12-03-2017, 01:14 AM   #19
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It looks worse in the pic than it actually is. Frame rail is solid. Still had factory paint on the inside after I vacuumed out all the crap. I'll post a better pic tomorrow of what it looks like cleaned up. Granted it will need a rather large patch panel.
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Old 12-04-2017, 12:05 AM   #20
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Here is what it looks like cleaned up.

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Old 12-05-2017, 09:39 PM   #21
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Fabbed up a patch panel and welded it in. Still gotta clean up the welds and seal it.

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Old 12-08-2017, 01:55 AM   #22
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Call me crazy but how the F#$K does a frame rail get painted INSIDE!!!??? Maybe that's how it lasted 30 years! lol
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Old 12-08-2017, 08:54 PM   #23
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Call me crazy but how the F#$K does a frame rail get painted INSIDE!!!??? Maybe that's how it lasted 30 years! lol
I am guessing it was primed then welded in place. Then when the whole car was painted some paint overspray made its way through the holes in the floor pan that lead to the rail.
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Old 12-10-2017, 03:06 PM   #24
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nice work...like the fact you took the time to put the design back on the metal to match the rest of the floor. after grinding the welds down you won't even tell..

You can weld my car anytime. ;-)
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Old 12-11-2017, 09:34 AM   #25
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Should have left out those holes where the plugs go. They aren't functional, they were only meant for helping the chassis drain after it went through an acid dip on the assembly line to clean and etch the metal before paint.

Nice work though!
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Old 12-11-2017, 10:18 AM   #26
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That's good to know. I wanted it to look as close to factory as possible. Plus I can use them to spray rust proofing into the frame rails.
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Old 12-29-2017, 06:35 PM   #27
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If anyone is cutting up a late model E30, I am looking for a rust free tail panel with a single tail pipe cut out. Found one on Ebay in Europe but it's close to 400 bucks.
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Old 12-31-2017, 12:23 PM   #28
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you can get it cheaper from bmw I believe. most e30's have rotted license plate light area and maybe even tail lamp or quarter panel rot. Better off buying one new. the odds of finding a clean unrusted piece is slim to none.
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I think I've had 18 bmw's in 6 years.

1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.
latest addition as of 2013-Gold 87-325is auto! it's a keeper!
KEEPER 88 5sp Vert 2016
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Old 12-31-2017, 03:32 PM   #29
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I priced out a piece from Euro 318 and it was over $500 which is nuts. The US price is cheaper but the piece is for a 325 with dual exhaust tip cut out. I am trying to keep this as close to original as I can.
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Old 01-02-2018, 07:45 PM   #30
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I priced out a piece from Euro 318 and it was over $500 which is nuts. The US price is cheaper but the piece is for a 325 with dual exhaust tip cut out. I am trying to keep this as close to original as I can.
I actually preferred the duel cut out when I had my 318is. I had rot on the rear panel and quarters so when I ordered mine I got it with the bigger hole.
the panel with the single cut out should be available.

Look at things this way...with the money you saved in the other areas you could consider allocating to such items which are costly or hard to source?

however here is the bmw part number for the single exhaust tip panel:

41348121771 - this will only fit (designated for) 318i and 318is

41348103088 - twin exhaust tip panel
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I think I've had 18 bmw's in 6 years.

1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.
latest addition as of 2013-Gold 87-325is auto! it's a keeper!
KEEPER 88 5sp Vert 2016
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