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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Messages
Concept
The menu centrally displays all messages arriving
in the vehicle in list form.
General information
The following messages can be displayed:
Traffic messages.
Check Control messages.
Service requirements messages.
Communication messages, for example emails,
SMS text messages or reminder
Lights and lighting
Switches in the vehicle
The light switch element is located next to the
steering wheel.
Front fog lights.
Lights off.
Daytime running lights.
Parking lights.
Automatic headlight control.
Adaptive light functions.
Low beams.
Instrument lighting.
Right roadside parking light.
Left roadside
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