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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > +1mm Modified Intake Lift Valvetronic Supports- 'MILVs' N52



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      05-09-2018, 09:49 AM   #727
hassmaschine
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hah! sprint booster = trash...
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      05-09-2018, 05:06 PM   #728
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I have installed mine supports finally and received an update today from Bob at BPC
As for the install tips for the next guy:

- Since you’re out there this is a good time to replace your eccentric shaft sensor and a seal if you haven’t done that yet.

- Know what type of an engine cover you have.
There are 2 types of covers. One is made from aluminium-magnesium alloy with aluminium bolts, and other and most common in US is plastic with steel bolts. All yb VCG DIY videos show only plastic cover and if you like me have aluminium-magnesium one you have to use a specific install method.
Don’t use your power tools to pre tighten aluminium bolts because there is huge risk you overtight them and they will snap.
I would personally recommend tighten aluminium screws up to 7Nm, and then after 30 min tighten all bolts for another 45 degrees.

Milv’s Install, the way I did it:
That job is very straight forward, and when done step by step it’s very easy for one guy. Remember don't force anything.

1. Rotate the crank shaft (car has to be in neutral) as from instruction supplied by Marty use 22m short socket and start rotating the camshaft for the first cylinder. For the cam lobes position I used around 14 o’clock position as it was mentioned here by other guys and I can confirm that it worked perfectly.



2. Use a piece of clean cloth to ensure you don’t lose the washer inside the engine if it falls.
3 Mark the screw and base of the screw with a line made by pencil.


4. Use that line to count 5,75 rotations. You can unscrew full 6 rotations but there is no need for it.
Use small 1”4 ratchet.
NEVER leave that screw unscrewed for too long by going for the dinner , or taking a long call. It’s safe for 6 rotations but only if you do it for a short while.
5. Install supplied washer and make sure it’s all the way in.
6. tighten the screw to the point of resistance where the washer sits even. If you won’t tight that screw enough there will be no room for the support to go in.



7. Unscrew and wiggle the old support with your flat screw driver, it should come of relatively easy but with some resistance from the rocker arms.

8. Take new support out of the box, clean it and oil the base of it with motor oil.
9. Put the new support on to a start position which is the point where they don’t seem to want go in anymore like on the picture below.

10. Using 2 flat screw drivers (one at a time) and a piece of clean microfiber cloth wedge the rocker arms. You will be able to do so with just one hand, first one screwdriver and then the other. Make sure the cloth is between flat screw driver and the rocker ledge. Cloth is to ensure you wont damage the rockers.



11. Now with your rocker arms pressed push with your other hand the new support in.

12. Centre the new support right on the bolt holes.

13. Unscrew your spring bolt about 1,75 rotations (just enough to push the washer out with flat screw driver), and tighten it back to the point of resistance.

14. Install support screws, to the point of resistance, and then tighten all screws with a torque wrench to torque spec.

15. There you go! Your first new support is in, and 5 more to go.
Remember to check all the screws with 1”4 torque wrench after installing the last support.
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Last edited by Wally_84; 05-09-2018 at 05:12 PM.
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      05-09-2018, 07:12 PM   #729
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Well done, thanks for the pictures.
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