engine oil BMW 740i 2001 E38 M62TU Engine Workshop Manual

BMW 740i 2001 E38 M62TU Engine Workshop Manual https://www.carmanualsonline.info/img/1/2821/w960_2821-0.png BMW 740i 2001 E38 M62TU Engine Workshop Manual

Page 5 of 37

BMW 740i 2001 E38 M62TU Engine Workshop Manual 5
BASIC FUNCTION OF BMW VANOS SYSTEMS
All BMW VANOS systems are operated through electric/hydraulic/mechanical control. 
Electric Control: The engine control module is responsible for activating a VAN

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BMW 740i 2001 E38 M62TU Engine Workshop Manual 7
M62 TU VANOS COMPONENTS
M62 TU VANOS components include the following
for each cylinder bank: 
•New cylinder heads with oil ports for VANOS
•VANOS transmission with sprockets
•Oil distribution

Page 8 of 37

BMW 740i 2001 E38 M62TU Engine Workshop Manual VANOS TRANSMISSION:The  primary  and  secondary  timing  chain  sprockets  are  inte-
grated with the VANOS transmission.  The transmission is a self contained unit.  
The  controlled  adjustment  of

Page 9 of 37

BMW 740i 2001 E38 M62TU Engine Workshop Manual 9
M62 TU VANOS CONTROL
As  the  engine  camshafts  are  rotated  by  the  primary  and  secondary  timing  chains,  the
ME7.2 control module activates the VANOS solenoids via a PWM (pulse width modula