Component￿Temperature￿Sensor - BMW B58TU Reference Manual

B58TU￿Engine
7.￿Engine￿Electrical￿System
7.2.￿Component￿temperature￿sensor
B58TU￿engine,￿component￿temperature￿sensor
Index
1
The￿B58TU￿engine￿uses￿a￿component￿temperature￿sensor￿in￿addition￿to￿the￿coolant￿temperature
sensor￿to￿control￿the￿coolant￿more￿precisely￿with￿the￿heat￿management￿module.￿Except￿for￿the
installation￿location,￿no￿changes￿have￿been￿made￿to￿the￿function￿of￿the￿component￿itself.￿It￿records
the￿material￿temperature￿of￿the￿crankcase￿close￿to￿the￿cylinder￿head￿in￿the￿area￿of￿the￿6th￿cylinder￿and
forwards￿this￿to￿the￿DME￿engine￿control￿unit.￿As￿a￿result,￿power,￿consumption￿and￿pollutant￿emissions
can￿be￿influenced￿even￿more￿efficiently.
A￿variable￿temperature￿resistance￿(negative￿temperature￿coefficient),￿which￿covers￿a￿temperature
range￿from￿-￿40°￿C￿to￿150°￿C￿(-￿40°￿F￿to￿302°￿F),￿has￿been￿tried￿and￿tested.￿The￿temperature￿is
transferred￿to￿the￿sensor￿using￿an￿elastic￿heat￿coupler￿attached￿to￿the￿outside￿of￿the￿sensor.
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Explanation
Component￿temperature￿sensor