Product Name: Cylinder Head for BMW E34, E36, E39, E46 M50/M52 (11121748391) Model NO.: M50/M52 Cooling Method: Water-Cooled Cylinder Cap Material: Bare Cylinder Head Cylinder Body Material: Aluminum Alloy Arrangement Pattern: L Style Type: Cylinder Head Valve: 24V Camshaft: Dohc Replacement: 2.5L Year: 1992-1994 Trademark: SH Transport Package: Foam+Carton(+Pallet) Specification: TS 16949: 2009 Origin: China HS Code: 8409999990 Product Description Aluminum cylinder head.Engine no.: M50/M52OEM:11121748391AMC: 910 553Quality guarantee: 2 years or 50, 000 kilometersQuality Certification: TS16949Valve's Stem: 6mmInlet valve: 33mmExhaust Valve: 30.5mmWater outlet hole: 3With Vanos(OBD1) cystemNew CodeBrandModelEngine TypeReplacementCm 3ValveYearCamshaftsAMC.NO.O.E NO.ZR0059BMW325I 24V525I 24V525IX 24VM50M52 2.5 2494 241992-1994 2910 55311121748391