Door Seal, S1
The rubber outer door window seal on the S1 has a metal inner strip that is famous for rusting and bubbling within the seal
Lotus want £60 a side to replace these !!
An alternative is to replace them with a generic door seal from Woolies for under £30 total price
A tutorial is available on this post from the Scottish Elise website
Replacements for the OEM seals are now available from elise-shop.com. These should fit better than the Woolies ones: