3M Brushable Automotive Body Seam Sealer Gray 08656 - Lap Joint Collision Repair 51135086568 | eBay
3M 08656 seam sealer on the #e30 #m3 #oem factory restoration | By Garageaholic | Facebook | Seam sealer, I recommend a brushable seam sealer, 08656 and using a nylon bristle brush