All models. 325i, 525, M3. 2.5 & 3.0L. Z3. Z4. X5. X3. Crankshaft gear. 525i, 530i. 2.5L. 3.0L, 2003-05.

Engine Timing Chain Tensioner, Lower

Crank To Cam. Adjuster. Without M3. Z3. Lower. 325i, 525, M3. Adjusting Cylinder.

Engine Timing Chain Guide, Upper

All models. Z3. Upper. Tensioner guide. Z4. X5. X3. 525i, 530i. Crank To Cam.

Engine Timing Camshaft Sprocket, Front

Crank to Cam Chain. Exhaust. Outer. Z3. Camshaft.

Engine Timing Camshaft Sprocket, Rear right

Front. 323is, ci, 328is, ci. Cam to Cam Chain. Z3. Right. M3. Camshaft gear. 528i. Inner. Exhaust.

Engine Timing Camshaft Sprocket, Rear left

323is, ci, 328is, ci. Cam to Cam Chain. Z3. Left. M3. Camshaft gear. 528i. Inner. Intake.