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
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
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
The indicator light flashes briefly every 2 seconds:
The alarm system is switched on.
Indicator light flashes for approx. 10 seconds,
then it flashes briefly every 2 seconds:
Interior motion sensor and tilt alarm sensor
are not active, as doors, hood, or trunk lid are
not correctly closed.