Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
NOTE
To R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To Grind Valves, Add	9.3	0.0	A
To R&R Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.9	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To R&R Timing Chain, Add	6.1	0.0	A
To R&R Spark Plugs, Add	0.7	0.0	A
545i, 550i
All Cylinders
Manual Trans	34.4	26.1	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Auto Trans	35.4	26.9	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.