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
SEE MORE:
LTE-Compensator - Information
and User Manual
Your car is equipped with a wireless charging
tray (WCA) to charge your mobile phone and
connect it to the mobile network. To ensure the
best possible connection a signal booster (LTECompensator)
is used in conjunction with the
WCA. The following paragraphs refer to this
booster:
This is a CONSUMER
Emergency Stop Assistant
Concept
If the driver is no longer fit to drive, the system
helps to safely bring the vehicle to a standstill.
General information
The emergency stop function is not triggered
automatically. The emergency stop function can
only be triggered manually by the occupants.
When the system is activated, t
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