[m6 korea]

You said this is a rebuilt engine? Then bleed, like a lot. And try again.

I did about two vanos air drains with my ista. Do you think we need to do more? How many more times should I do it?

 

[m6 korea]

Yes wrong Vanos/gears timing, also the exhaust cam gear lost its initial timing, the exhaust cam gear initial timing must be set and the screws with washers are tightened before installing and tightening the central bolt to fit them to the camshaft. The intake camshaft is the same as the exhaust gear but it is easy to set, the exhaust cam gear required force to set the screws with washers if it lost its initial timing position. This happened because you didn't follow the correct procedure during removal. Especially the exhaust gears are under secondary spring force.

All screws with washers must be set and tightened after turning the sleeves to the right side and the screws move toward the left side BEFORE installing the camshaft central bolts.
All camshafts central bolts and screws with washers must replaced with new ones.
View attachment 970424

Read here:

Vanos gear removal help!

I’m trying to rebuild my s85 engine and want to remove the vanos gears. But whenever I rotate the crank to tdc the intake cam is not facing straight up and the alignment tool is not flat in. I kind of took all the hexagon bolts out first. Am I doing something wrong? I didn’t put the special tool...

www.m5board.com

And here:

Vanos gear/timing help!

I’m doing a rebuild and trying to get the vanos gear and timing done correctly. Before I install the vanos unit I make sure I install my timing tool and it’s in TDC. So whenever I install the vanos unit it pushes back the exhaust cam and gear so it messes up my timing also. Bank 2 seems to be...

www.m5board.com

I think Vanos bleeding and bad solenoids is a secondary action. You can watch my video during first startup after timing, look how the Vanos is following the DME nominal values without Vanos bleeding.

2007 E60 M5 Diagnostic help

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www.m5board.com

All vanos bolt positions have reached the left maximum stop position. There is no more movement in that part.

 

[m6 korea]

Try 5. Those zero ms readings tell you they're not responding. Also make sure solenoids are properly connected. Red wires exhaust solenoid.

All solenoid connectors are well connected. It all seems normal if vanos adaptation is denied. However, when the vanos system test starts, all of them return to abnormalities.

 

[m6 korea]

Try 5. Those zero ms readings tell you they're not responding. Also make sure solenoids are properly connected. Red wires exhaust solenoid.

There is also noise in the vanos when the engine is started.

 

[m6 korea]

It should reach to that position in the picture when the Vanos adjusters is installed on the car.

If timing is good continue bleeding and drive the car to help. Then you may consider replacing Vanos solenoid with original parts.

The vanos solenoid has been replaced with a new one.

 

[m6 korea]

Are they original or after market.

With camshaft central bolts installed and tightened or before?.
Those picture at what installation stage, removal, prior to installation (ready to install)?.

The vanos gear had already been aligned prior to installation on the camshaft.

and After Market Solenoid Valve

 

[m6 korea]

Replace them.

to Solenoid Valve ?

 

[m6 korea]

Replace them.

ALL?

 

[m6 korea]

Yes all solenoids, get original, I don't see any good one.

I want to ask about the timing of vanos gear.
All vanos gears were installed in the maximum stop position. Regardless of this, can it be solved by changing the solenoid valve?

 

[m6 korea]

Yes all solenoids, get original, I don't see any good one.

00271B DME: VANOS control, exhaust, bank 1
00271D DME: VANOS Control, Exhaust, Bank 2
00271C DME: VANOS Control, Intake, Bank 2
00275F DME: VANOS maximum-stop position, intake air, bank 1



This is the current fault code.

 

[m6 korea]

The Vanos gear is set to maximum position and tightened to 10nm BEFORE you install the central cam bolts.
After you install the central camshaft and you loosen the screws with washer 90° before you fully insert the Vanos adjuster to set the cam gear timing (the screws with washers move toward the center).

If timing is OK and have good Vanos oil pressure new solenoids should function properly.

Yeah, I refitted the vanos regulator. Later, the vanos system test showed this result.

As a result of the measurement, Intake Bank 1

Maximum stop position: 154.4 CA
Minimum stop position: 154.2 CA

Adjustment time, opening too small: 130.0 ms
Adjustment time, opening too large: 550.0 ms

Minimum valve quality: 0.8
Valve current: 500.0 mA

As a result of the measurement, exhaust bank 1

Maximum stop position: 123.0 CA
Minimum stop position: 98.8 CA

Adjustment time, opening too small: 720.0ms
Adjustment time, opening too large: 460.0 ms

Minimum valve quality: 0.9
Valve current: 249.0 mA

As a result of the measurement, Intake Bank 2

Maximum stop position: 149.7 CA
Minimum stop position: 114.2 CA

Adjustment time, opening too small: 220.0 ms
Adjustment time, opening too large: 710.0 ms

Minimum valve quality: 0.9
Valve current: 323.0 mA

As a result of the measurement, exhaust bank 2

Maximum stop position: 129.8 CA
Minimum stop position: 107.2 CA

Adjustment time, opening too small : 240.0ms
Adjustment time, opening too large: 470.0 ms

Minimum valve quality: 0.9
Valve current: 251.0 mA

Still, the vanos test is abnormal.

Should the vanos gear unit be replaced?

Or should we replace the solenoid?

And now this fault code remains.

00275F DME: VANOS maximum-stop position, intake air, bank 1

 

[m6 korea]

What is the regulator, solenoids or adjusters?. if adjuster then I think you need to go back more than that, to the central bolt removal then install after you set the cam gear in proper position.

Because the camshaft didn't follow the test command.
The other moved but still within short range and slow, all solenoid current are out of range.

Need another solenoids.

I meant the vanos unit.
This is the result of reinstalling.
Will the solenoid change solve it?

Will it be the same if I exchange the vanos unit?