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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Smart Favorites
General information
A maximum of 20 channels can be stored as
Smart Favorites.
If a stored Smart Favorite is selected, the current
track will be played from the beginning.
Adding the current channel to Smart
Favorites
1. Press the button.
2. "Add to Smart Favorites"
Removing the current channel f
AM/FM station
General information
Depending on the vehicle equipment and country
version, it may not be possible to receive AM
stations.
Radio Data System RDS
RDS broadcasts additional information, such as
the station name, in the FM waveband.
RDS is automatically active.
Selecting a station
1. "MEDIA".
2. "Rad
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