30% more cooling than standard radiator. The core of the radiator is welded in vacuum brazing furnace, no epoxy. The tanks are 100% welded by TIG. 7 (E23) 728 M30 B28 2788 125 170 Saloon 77/05 – 79/08. 7 (E23) 728 i M30 B28 2788 135 184 Saloon 78/07 – 86/08. 7 (E23) 730 M30 B30 2986 135 184 Saloon 77/05 – 79/08. 7 (E23) 733 i M30 B32 3210 145 197 Saloon 77/05 – 86/08. 7 (E23) 735 i M30 B34 (346KA) 3430 136 185 Saloon 85/01 – 86/08. 7 (E23) 735 i M30 B35 (Motronic, 9.3:1) 3453 160 218 Saloon 79/09 – 86/08. 7 (E23) 735 i M30 B35 (Motronic) 3430 141 192 Saloon 85/04 – 86/08. 7 (E23) 735 i M30 B34 (346EC) 3430 160 218 Saloon 82/06 – 86/06. 7 (E23) 725 i M30 B25 2494 110 150 Saloon 77/07 – 86/06. 7 (E23) 732 i M30 B32 3210 145 197 Saloon 79/09 – 86/08. Aluminum Core and Tank. Core and Tank: All Aluminum. We are factory sales, we take any wholesale order, feel free to ask. And we will do the same for you automatically! Thank you for your cooperation. International buyers – Please Note.