BMW 3: Engine Mechanical
BMW 3 Series G20 (2018-2026) Training manual / B46TU-B48TU Engines / Engine Mechanical
- Engine housing, Crankshaft drive
- Connecting rod - Crankshaft drive
- IROX coating - Crankshaft drive
- Chain drive - Crankshaft drive
- Chain tensioner
- Valve gear
- Belt drive
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Engine housing, Crankshaft drive
Engine housing
Cylinder head
The cylinder head is made of aluminum.
Only slight modifications have been made to the B46TU head compared to the B46.
Cylinder head
Crankshaft drive
Crankshaft
Comparis
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 (trapezoid
IROX coating - Crankshaft drive
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
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Telephone functions
General information
Mobile phones can be connected to the vehicle
via Bluetooth, see Owner's Manual for the vehicle.
At high temperatures, the charge function of the
mobile phone can be limited where appropriate
and functions are no longer executed.
Do not operate a mobile phone that is connected
Switching on/off and interrupting
cruise control
With steering and traffic jam
assistant: Assisted Driving
General information
This button is used to switch the
configured
function on and off.
The button can be used to set the
primarily
used function.
Set function
1. When the system is active,
press the
button repeatedly until the desired funct
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