For use on all E30 models, this hardware kit is designed to provide the necessary brackets, bolts, body mounts, and hose clamps to support the A/C lines and filter drier for an OEM-like installation. This is a great kit if you're looking to install our Sanden Conversion Kit into a non-A/C equipped E30 or undergoing light restoration and want to refresh your engine bay. What’s in the box? A/C Solutions hose bracket holder (low-pressure line) (#1) Body spacer (high-pressure line) (#2) Hose clamp (large) (#3) Hose clamp (mid) (2x) (#4) Hose clamp (small) (2x) (#5) 10mm trim screw (long) (#6) 10mm trim screw (mid) (2x) (#7) 10mm trim screw (short) (3x) (#8) Expanding body nut (5x) (#9) M6 lock nut (#10) M6 lock washer (#11) M6 washer (#12) 10mm body speed clip (#13) Fitment notes: Our low-pressure suction lines may differ slightly from your original part and are designed to use the medium size hose clamps for #4 in the diagram. For use with the following models: BMW E30 (325e/es, 325i/is, 320is, M3) Cross reference part numbers: 64121379221, 12141305028, 12427840406, 64501380494, 07119916970, 64501380494, 64501372610, 16111152613, 07119916965, 07129922705, 64531372613, 07119931044, 07119933082, 17111150170, 645313057128, 64501380496