BMW 5 Series: Introduction

 Ethernet

On the G30 the 2-wire OABR Ethernet (OPEN Alliance BroadR-Reach) from the G12 is used. The Ethernet variant with 5 lines (4 data lines and 1 activation line) is still used on the G30 by the OBD2 interface to the Body Domain Controller. Use of 2-wire OABR Ethernet on the G30 The following control

 Cold-start phase

Point A in the heat management module circuit diagram designates the cold start with an engine that has completely cooled down. Cold-start phase, Bx8TU engine In the cold-start phase, the coolant circulates exclusively via a bypass in the coolant pump. The rotary valve in the heat management mod