Shop OEM BMW Part # 11311725441 (11-31-1-725-441). Engine Timing Chain Tensioner. 840Ci; Upper; Cyl 1-4. UPPER; 530, 540, 740, 840; Cyl 1-4. CAMSHAFT and TIMING. CRANKSHAFT and BEARINGS

OIL PAN. OIL PUMP. 530; Auto Trans. 530; Cyl 1-4. 530; Cyl 5-8. 530; Manual Trans. 540; Auto Trans. 540; Bracket; Left. 540; Bracket; Right. 540; Insulator; Left. 540; Insulator; Right. 540; Manual Trans. 740; Bracket; Left. 740; Insulator; Left. 740; Insulator; Right. 840; Bracket; Left. 840; Bracket; Right. 840; Cyl 1-4. 840; Cyl 5-8. 840; Front; Cyl 1-4. 840; Front; Cyl 5-8. 840; Inner. 840; Insulator; Left. 840; Insulator; Right. 840; Left. 840; Lower; Yellow.

540. 740. 840; Cyl 1-4. UPPER; 530.