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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Apple CarPlay preparation
Concept
CarPlay allows certain functions of a compatible
Apple iPhone to be used via Siri voice operation
and iDrive.
General information
Depending on the country-specific version, Car‐
Play may not be available. Contact a dealer's
service center or another qualified service center
or repair shop
Sun visor
Glare shield
Fold the sun visor down or up.
Glare shield from the side
Folding out
1. Fold the sun visor down.
2. Unhook it from the holder and swing it to the
side.
3. Move it back to the desired position.
Folding up
Proceed in the reverse order to close the sun visor.
Vanity mirror
A vanity mirr
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