BMW 3: Engine Mechanical
BMW 3 Series G20 (2018-2025) 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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Overview
General information
The Teleservices, intelligent emergency call or
ConnectedDrive Services features are required
to use the services and applications described
here.
The content and scope of the services that are
available may vary by country. Therefore, it is
possible that some of the services an
Memory function
Concept
The following settings can be stored and, if necessary,
retrieved using the memory function:
Seat position.
Exterior mirror position.
Height of the Head-up Display.
General information
Two memory locations with different settings
can be set for each driver profile.
The following settin
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