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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Sensors
Sensors, electrical machine
Temperature sensor
Rotor of the rotor position sensor
Stator of the rotor position sensor
So that the voltages for the coils in the stator can be correctly calculated
and generated by the
Electrical Machine Electronics in terms of amplitude and phase layer, the
pr
BMW Remote Software Upgrade
Concept
Remote Software Upgrade can be used to update
the software of the vehicle. Remote Software
Upgrade makes new functions, functional
enhancements or quality improvements available.
General information
BMW recommends performing the Remote
Software Upgrade as soon as it becomes available.
The a
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