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      05-07-2017, 04:09 AM   #2
roastbeef
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Drives: E92 M3
Join Date: Nov 2010
Location: Orange County, CA

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21 is a plastic ducting behind the oil cooler that directs air downward and out the bottom of the main felt piece. it doesn't come off with the felt and unless damaged, you don't need it.

25 is probably a rubber seal that goes under 21. you probably don't need that either, just send it back if it isn't torn up.

just buy the front big piece, the two side pieces, and maybe 4-5 of part #17's. those fasteners sometimes get stripped when the felt gets thrashed and they are so cheap, they aren't the same. same with the screws. pick up a few extra.

if you were local, i could help. its pretty easy though.
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