Innovations B46TU
To meet the legal requirements for emissions, a number of technical
improvements have been
implemented. The technical updates for the B46TU engine include the following
new features:
New features
Modified cylinder head
Crankshaft weight reductions
Single-part timing chain dr
The Electrical Machine Electronics and convenience charging electronics (KLE)
are cooled by the low-
temperature coolant circuit.
G20 PHEV, low-temperature coolant circuit (schematic diagram)
Radiator (coolant/air heat exchanger)
Electric Motor Electronics (EME)
Convenience charging electronic