LEFT INTERCOOLER HOSE L DIAMETER 615MM LENGTH 442MM BLACK FITS: BMW 1 F20 1 F21 2 F22 F87 3 F30 F80 3 F31 3 GRAN TURISMO F34 4 F32 F82 4 F33 F83 1.6D/2.0D 09.10. INTERCOOLER HOSE L DIAMETER 615MM LENGTH 442MM BLACK FITS: BMW 1 F20 1 F21 2 F22 F87 3 F30 F80 3 F31 3 GRAN TURISMO F34 4 F32 F82 4 F33 F83 1.6D/2.0D 09.10. Inner diameter 1 [mm]. Inner diameter 2 [mm]. OEM part number equivalent. 11 61 4 742 748. 11 61 7 810 617. These spare parts are not original. They are an alternative to replace the original parts. APPRECIATE FOR YOUR FEEDBACK. We will definitely solve this situation for You.