System Specifications

Older type connecting rods

Connecting Rod Bolt 30 Nm + 1/4 turn (90°) further
Replace

Axial clearance
new: 0.05...0.31 mm
Wear limit: 0.37 mm
Check radial clearance with Plastigage
new: 0.01...0.06 mm
Wear limit: 0.12 mm
Do not rotate crankshaft when checking radial clearance

Industrially fractured connecting rods

Connecting Rod Bolt 30 Nm + 1/4 turn (90°) further
Replace

Axial clearance,
new: 0.10...0 35 mm
Wear limit: 0.4 mm
Check radial clearance with Plastigage
new: 0.01...0.05 mm
Wear limit: 0.09 mm
Do not rotate crankshaft when checking radial clearance





Checking piston ring gap





Checking ring to groove clearance





Piston and Cylinder Dimensions

Engine Code BEV

Crankshaft Main Bearing Bolts 65 Nm 90° + (1/4 turn) further
Replace

Crankshaft
Axial clearance
new: 0.07...0.23 mm
Wear limit: 0.30 mm
Check radial clearance with Plastigage
new: 0.01...0.04 mm
Wear limit: 0.15 mm
Do not rotate crankshaft when checking radial clearance





Crankshaft dimensions
(dimensions in mm)

Engine Code BGD

Crankshaft Main Bearing Bolts 65 Nm + 90° (1/4 turn) further
Replace

Axial clearance
new: 0.07...0 23 mm
Wear limit: 0.30 mm
Check radial clearance with Plastigage
new: 0.01...0.04 mm
Wear limit: 0.07 mm
Do not rotate crankshaft when checking radial clearance





Crankshaft dimensions
(dimensions in mm)