So I found a company selling high quality door weatherstrips at about $100 per seal. They are willing to sell at a further discount with a groupbuy. Orders of 20-50 will get a 15% discount. 50+ we can get 25% off per seal. Lets start with #20?

direct replacement for part # for coupe
#51 71 1 876 151 Left
#51 71 1 876 152 Right

Sedan
#51 71 1 906 959 left front
#51 71 1 906 960 right front
#51 71 1 906 925 Left back
#51 71 1 906 926 Right back

fyi stealer prices currently at $260 for coupe and sedans
Page Not Found | getBMWparts
https://www.getbmwparts.com/parts/index.cfm?searchText=51+71+1+876+151+&make=BMW&action=oePartSearch&siteid=214672


They make sedan weatherstrips pending pricing...
Their website:

Page not found – Vintage Autobahn
https://vintageautobahn.wordpress.com/e30-parts/
BMW Parts & Import


These are the pics they sent me. Looks pretty high quality to me.





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