BMW 3: Connecting rod - Crankshaft drive

Connecting rod
- Piston
- Area transferring the force
- Wrist pin
- Connecting rod bearing with shaped bore hole
- Connecting rod
- Connecting rod bearing (B46TU only)
- Small connecting rod eye (trapezoidal shape)
- Large connecting rod eye (cracked)
- Connecting rod bolts of the connecting rod bearing cap
- Connecting rod bearing shell of the connecting rod bearing cap
- Connecting rod bearing shell of the connecting rod (IROX-coated)
The drop-forged cracked connecting rods with IROX coating are known from the
B38/B46 engines.
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Detailed magnification of the IROX coating
IROX-coated bearing shell
Oil film
IROX coating
Bearing shell
Binding resin
Hard particle
Solid lubricant
The IROX coating is applied to a conventi
Features:
Chain drive at the side of the engine emitting the forces.
Single-part chain drive for driving the camshafts.
Single sleeve-type chain 8 mm.
Electric motor of the combined oil-vacu
Chain tensioner
Tensioning rail
Sealing sleeve
Chain tensioner with screw thread
Due to the cylinder head manufacturing process, the chain tensioner now has a
sealing sleeve with a
height of 12
SEE MORE:
Measures at the solenoid valve injector
The following graphic illustrates the differences between the HDVE5 and HDEV6
fuel injectors:
Solenoid valve injectors
Solenoid valve injector HDEV5
Solenoid valve injector HDEV5 EVO
Solenoid valve injector HDEV6 (B46TU engine)
Injector seat
Injectio
A driver profile is created or via iDrive:
1. "CAR".
2. "Driver profiles".
3. Move the Controller to the right.
As an alternative for Steps 1 to 3, the profile
image can be tapped in the top status bar.
4. "Add driver profile".
ConnectedDrive countries: An existing ConnectedDrive
account must b