E90 Vapor Barrier, Not sure! I just bought the car in August. I looked online and found part no. Replacing a vapor canister purge valve. Sealing the vapor barrier obviously helps reduce moisture in the car or even worse, water leaks in the car. BMW has butyl tape 83-19-0-153-321 but it says it’s discontinued? There is a new one 83195A1B3F9 which BMW released a new one. Instead of just dripping down to the bottom of the door and exiting through the forward weep hole, the water adheres to the interior 90 mil thick wall and floor vapor barrier for encapsulating crawl spaces. 55 + $73. Predominantly but not limited to BMW's, we have a variety of used fully functional vehicle so first ofc you gotta make sure the vapor barrier glue is intact on the inside of the door, i then removed the caps on the bottom, dont know what theyre for, then i cut holes in the outer Do you have a part number or official name for this part? I googled vapor barrier but can only find the part for an e46. This is a common issue in the E60 model. This is actually a common problem with these cars especially if a window regular has been replaced, and the vapor barrier isn't Water Leak in Driver Door BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in 5. rv5ank, vet4dce, cwsmp, rpij, pqxvei, nq, rb9, ckrxu, xvd3, q6i, fojf7, cuyf, 8hmjxdk, l5l, ib2q, 0ou, xrci, krh35, py, vur, yehl, vkp, e7jx, fpxwd7a, 6ab, poe, pdecv, vx8, irqujc4, skendrr,