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      01-06-2020, 03:57 PM   #926
Second Lieutenant
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Drives: E30, E44, E61, E07
Join Date: Dec 2019
Location: Central No. America

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Originally Posted by wdb View Post
If you keep losing air you have a leak.

If you have to fill your tires every couple of days that's normal; for example to keep them at 100 or 110 you need to throw a couple of pumps into them every 3 or 4 days. Normal.

Another possible source of persistent leaks is defective or worn out rim strips that allow the heads of the spokes to wear holes in the tube.
I will add another insidious leak point is the valve stem seal (where it goes through the rim). I always dunk my wheels in a pan of water, or better yet just make up a sudsy solution in a spray bottle.