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Just wait on & think it through, maybe...? (archive)

[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]

Posted by Max Fretter (NZ 87 735i) on August 10, 2001 at 05:43:34:

In Reply to: My 750 is in trouble! - Please help! posted by David in Hong Kong on August 09, 2001 at 00:02:28:

OK David - mold & humidity.

Humidity will equalise across volumes of air, so without making the car airtight putting dehumidifier stuff in the car will not dry it out, just reduce the humidity somewhat. I'm also assuming at this time that you're storing the car, not driving it or having it out where any leak can get water into it further - if it is outside, then I'd first check:

- seals - you've done some
- sunroof drains - use weedeater string to check they're not blocked
- seals under the windscreen wiper plastic grille: the AC fan input, the wipers, the wiring looms
- seals around the windscreen & rear windows

Remember too that if water does get in, it will pool in the footwells - which are DEEP. They are about 2" deep, so any pooling in the bottom WILL NOT NECESSARILY be able to be felt at the top.

OK, now assume it's not a direct leak and/or the car is stored inside. You will need to somehow block off the air exits in the trunk (either side in the wings behind the wheel arches, at bumper height - they are black plastic boxes which feel as if they're full of heavy plastic sheeting) or seal off the trunk - or specifically put a lot of your dehumidifier stuff in the boot as well as the cabin. Also you need to make sure the AC air intake is closed, otherwise (in either case) you're just dehumidifying the car and the garage a little together and not the car cabin a lot...

OK, so now you've reduced the humidity, I'd also see what you can do to STERILIZE the leather, not just clean it. Clean it wrong will just spread the mold spores further. Personally I'd be checking with a commercial leather upholstery specialist - surely mold problems would be a common problem for your area and they'd have some solutions...

My personal ideas on this may be wrong and/or dangerous to your leather, so I'd recommend a professional clean first if at all possible - if not then I'd use an acid wash - DILUTE - to sterilize the leather and kill off the mold. I'd be using a dilute solution of an acetic acid cleaner (or at a pinch very good white vinegar), but trying it on an out-of-the-way area first to ensure it doesn't react and/or affect the colour.

but, if you want to ditch the 750, you want to ditch it, right?

Max



I am having a mold problem. I live in Hong Kong and it is very hot and humid here. After not touching the car for a couple of weeks I found that mold had developed on the leather of the doors, seats, and dash. I then cleaned all of the leather very thoroughly and replaced the seals around all four doors and the trunk and left two big dehumidifier canisters in the car. I thought I had solved the problem. Well, I have been out of town for two weeks and I looked at the car last night, and again, MOLD. So I am going to clean the car up and sell it, unless any of you can give me a good solution to this horrible problem.

Any thoughts greatly appreciated!

The car is an 88 750iL





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