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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 11-16-2011, 10:47 PM
seanmckee2000 seanmckee2000 is offline
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Location: la
 
Join Date: Nov 2011
Posts: 1
Mein Auto: jag
Wink removal/ replacement valvetronic motor

Working on a 2006 330i car today.
Had to replace the valve cover gasket and broken aluminum bolts
The information was sparse as to how to remove and replace the valvetronic motor.

Related tip: Several posts show how to replace the valve cover gasket and mention taping out bolts. Instead of drilling & taping out the bolts, I was able to remove 2 of them that had broken by simply using the pointy end of a dental style tool and twisting them out....piece of cake!

Removal:
Disconnect the cable to the motor.
Remove the coils to the left & right of the motor.
Remove the bolt that secures the back of the motor to the valve cover.
Back out the 2 bolts that secure the front of the motor to the valve cover 2 full turns.
You will feel that there is pressure trying to push the motor out, insert a 3 mm allen wrench into the back of the motor and turn clockwise to release the pressure against the 2 bolts.
Remove the two bolts.
The motor should come out at this point, but if it does not, insert the allen wrench and turn counter clockwise until the motor is free.

Replacement:
Install new gasket. USE 3 NEW BOLTS ONLY! DO NOT CHEAP OUT!
Place motor in position, insert the allen key into the back and turn it clockwise until the motor just barely touches the gasket. DO NOT TURN IT FURTHER!!!!
Install 2 new bolts valvetronic motor to valve cover finger tight
Install new bolt at back of the valvetronic motor finger tight ONLY!
Torque the 2 bolts to cover, then torque the back bolt.
Reconnect and button up.

Retraining new/ replacement valvetronic motor.
Turn on ignition, do not start engine...wait 5 seconds, turn off ignition.
Repeat
Start engine, check for leaks.

Hope that helps.
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  #2  
Old 11-17-2011, 02:21 PM
cheeny cheeny is offline
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Location: Burleson, TX
 
Join Date: Apr 2011
Posts: 114
Mein Auto: 2006 330i
Awesome, I have the 06 330, and I'm sure I'll need this at some point. Thanks!
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