BMW 5 Series: Chain drive
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-vacuum pump via a separate chain
- Plastic tensioning and guide rail
- Hydraulic chain tensioner with spring preload and sealing sleeve.

Comparison of the chain drive of B58 engine and B58TU engine
- Two-part chain drive
- Single-part chain drive
- Slide rail
- Top timing chain
- Chain tensioner
- Tensioning rail
- Bottom timing chain
- Camshaft sprocket, oil vacuum pump
- Drive chain, oil vacuum pump
- Guide rail
- Timing chain
The main difference between the chain drive compared with the B58 engine is
the move from a two-
part timing chain drive to a single-part timing chain drive. Deflection via the
intermediate shaft on the
top timing chain and the second timing chain is no longer needed. The chains
used here are 8 mm
sleeve-type chains. Because the intermediate gearing is no longer needed, the
number of teeth on the
crankshaft (23 teeth) and the VANOS adjuster (46 teeth each) has also changed.
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Comparison between chain track of B58 engine and B58TU engine
Chain track, two-part timing chain drive B58 engine
Chain track, single-part timing chain drive B58TU engine
6-cylinder engine
Up
VANOS
VANOS B58 engine
VANOS B58TU engine
Following the changeover from a two-part chain drive to a single-part chain
drive, the camshaft
sprockets on the VANOS now need 46 teeth instead of the
Vacuum pump
Oil vacuum pump, B58/B58TU engine
B58 engine, tandem oil pump with integrated vacuum pump
B58TU engine, oil pump
Vacuum pump
Oil pump
Vehicles with a gasoline engine and "traditio
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Concept
The route criteria can be individually adjusted.
The settings are stored as standard and automatically
applied to new destination guidances.
Set route criteria
1. Press the button on the
Controller.
2. Move the Controller to the right.
3. "Settings".
4. "Route settings".
5. Select the
Overview of the brake system on the G30
Wheel speed sensor connector, front right
Electric parking brake actuator
Brake pad wear sensor connector, rear right (single-stage)
Wheel speed sensor connector, rear right
Wheel speed sensor connector, rear left
Brake disc, rear
Brake caliper, rear