[Murf]

The other alternative is the VSC 2 valve controller for $199 - outlined here https://g80.bimmerpost.com/forums/sh....php?t=1851467

[///AVM]

Originally Posted by Murf

The other alternative is the VSC 2 valve controller for $199 - outlined here https://g80.bimmerpost.com/forums/sh....php?t=1851467

VSC-2 looks like a very nice option. Some pros and cons to consider . . .

vetteflier wiring approach and the VSC-2 both seem equally quick and easy DIY projects.

vetteflier wiring approach is essentially free, while the VSC-2 will set you back a couple hundred bucks. Not a lot if money in the scheme of things, but a couple hundred bucks nonetheless.

vetteflier wiring approach is always 'open,' while the VSC-2 offers the option to revert to stock with a click of a button. The latter is an obvious advantage, however, one must keep in mind that fully opened valves do NOT increase stock exhaust decibels. It only allows maximal decibels constantly (valves always open). The stock exhaust is not loud at maximal decibels, so it is never 'obnoxious' when valves are fully open.

Has anyone confirmed the valves ever achieve maximal opening with the VSC-2? vetteflier, myself and others have never been able to witness maximal valve opening without removing the actuator and manually opening the valves. Further, the actuator cannot be manipulated to open to a point that corresponds to a fully opened valve position that is achieved manually. This begs the question as to whether the valves can ever be fully opened via the actuator?

I have not visited the VSC-2 thread recently. Last I recall, an early VSC-2 adapter reported his controller had already failed. Perhaps a one-off and simple case of bad luck, and I am sure it would likely be replaced by distributor.

I honestly have no skin in the game and not trying to dictate how others spend their money. Both approaches seem to represent good options.

My biggest question about the VSC-2 option is whether the valves are fully opened? I could be wrong, but it does not appear the actuator ever achieves fully opened valve position. Fully opened valves seem only possible via manual opening?

I have provided pictures of fully/manually opened valves in this thread. I would be interested to see the valve position with VSC-2 vs manually opened valves.

///AVM

[LukeM15]

Best option here seems to go aftermarket exhaust. lol

[///AVM]

Originally Posted by LukeM15

Best option here seems to go aftermarket exhaust. lol

I hear you LukeM15, and realize you are being light-hearted with your response.

Absolutely, if someone wants louder, then modification of the stock exhaust is the only way to go.

I think there are many who feel the stock exhaust is loud enough and/or do not want to alter the stock tone.

The point of this thread is to simply have maximal stock decibels all the time with the valves constantly and fully open.

Nothing dramatic, but a nice and noticeable option that comes with little-to-no cost.

///AVM

[LukeM15]

Originally Posted by ///AVM

I hear you LukeM15, and realize you are being light-hearted with your response.

Absolutely, if someone wants louder, then modification of the stock exhaust is the only way to go.

I think there are many who feel the stock exhaust is loud enough and/or do not want to alter the stock tone.

The point of this thread is to simply have maximal stock decibels all the time with the valves constantly and fully open.

Nothing dramatic, but a nice and noticeable option that comes with little-to-no cost.

///AVM

Oh I totally with you on that…I’ll probably be tasking this mod once I get my G80….just seems like it was so simple with the F8X now it’s a level 5 task

[Gfit]

With the VSC it also allows to to click and button to go back to factory settings which I do use sometimes when my kids are in the car or my mom is visiting. Little hard to talk with the exhaust noise from valves upon at least for me. I don't like raising my voice to be heard.

[Murf]

Originally Posted by ///AVM

This begs the question as to whether the valves can ever be fully opened via the actuator?

///AVM

I have not crawled under or looked into pipes with a flashlight to check but I can say that it is def louder at idle and part throttle than M2 (Sport+ everything) so yeah I would guess they are fully open. In Sport+ they are only fully open beyond 70% throttle.

[Steveo]

How about a switch with long wires across a blown fuse, floor it and open the switch….
Valves should stay open with an open switch after full throttle?

[HVACBOSS]

Originally Posted by BIGW0RM

I suspect you will get a CEL doing that.

negative! its all clear no codes took to dealer they didnt say a word

[imst1g]

Wiring constant 12v to the connector will open flaps fully.

[The Stig]

Originally Posted by imst1g

Wiring constant 12v to the connector will open flaps fully.

I dont think it will.

As mentioned in this thread about a dozen times now. It appears that the actuator physically (mechanically) cannot move the valve into 100% open position. Even under full throttle, Im not sure its really all the way open.

[MMnut]

When the valves are fully opened (in the case of hooking the wires to keep the valves in open position), they are in parallel with the pipes, and if you look through the pipes, you can see through with the valves dividing the pipes in 2 halves in the middle.

Can any open using the VSC2 just to set it into open position, and look through the pipes and confirm the valves opening position ?

[imst1g]

Originally Posted by The Stig

I dont think it will.

As mentioned in this thread about a dozen times now. It appears that the actuator physically (mechanically) cannot move the valve into 100% open position. Even under full throttle, Im not sure its really all the way open.

You may be correct, I'll try to check and take pictures this weekend.

The manual states "The exhaust control flap can be opened (10% PWM) and closed (90% PWM). The end positions are mechanical limit stops. Intermediate positions are not provided. The
preferred position with a detected fault (for example failure of PWM signal) or after switching off the internal combustion engine is the opened position."

Based on this, we can disconnect pin 3 from the connector and it should be at maximum open position. (or apply voltage at 10% duty cycle @100mhz)

[The Stig]

Did it today. Sounds amazing!!!

So much deeper and louder. But not too loud and does drone at all.

[Gfit]

Originally Posted by MMnut

When the valves are fully opened (in the case of hooking the wires to keep the valves in open position), they are in parallel with the pipes, and if you look through the pipes, you can see through with the valves dividing the pipes in 2 halves in the middle.

Can any open using the VSC2 just to set it into open position, and look through the pipes and confirm the valves opening position ?

Finally remembered to check. The valves are fully open with the controller.

[MMnut]

Originally Posted by Gfit

Finally remembered to check. The valves are fully open with the controller.

Good stuffs

There you go... you can have your choice, a bit of grease to elbow but free and you have full open sound. Or get the controller and you have full control of sound whenever you want.

[Davem4]

This how I did the exhaust valve mod, took about 10mins and sounds much better. I used a hose clamp to hold valve open so it couldn’t rattle or come loose. For servo attachment just put a little pressure on the side and it slides out with the spring so can put it back on completely. Just wanted to share another option.

[LukeM15]

Neat! Thanks

[JDUNITNOW]

Originally Posted by Davem4

This how I did the exhaust valve mod, took about 10mins and sounds much better. I used a hose clamp to hold valve open so it couldn’t rattle or come loose. For servo attachment just put a little pressure on the side and it slides out with the spring so can put it back on completely. Just wanted to share another option. Attachment 2734151

Attachment 2734152

Attachment 2734153

When you say put pressure on the servo, are you pushing it from the inside out and the spring attachment pups out with it?

[Davem4]

Originally Posted by JDUNITNOW

When you say put pressure on the servo, are you pushing it from the inside out and the spring attachment pups out with it?

Yes the base for the servo that goes to the valve on one side the tab is smaller and you can take screwdriver and just a little twisting pressure will come right out and the spring just sits under it. It doesn’t damage anything and could put it back just as easy. I drove the car home today and it sounds like it’s in sport plus the whole time, really happy with a 10min mod that was free!!

[JDUNITNOW]

Originally Posted by Davem4

Yes the base for the servo that goes to the valve on one side the tab is smaller and you can take screwdriver and just a little twisting pressure will come right out and the spring just sits under it. It doesn’t damage anything and could put it back just as easy. I drove the car home today and it sounds like it’s in sport plus the whole time, really happy with a 10min mod that was free!!

Awesome, thank you.... hopefully my car will be released from the VPC one day and it will be the first mod done.

[danrazvan]

Originally Posted by ///AVM

I hear you LukeM15, and realize you are being light-hearted with your response.

Absolutely, if someone wants louder, then modification of the stock exhaust is the only way to go.

I think there are many who feel the stock exhaust is loud enough and/or do not want to alter the stock tone.

The point of this thread is to simply have maximal stock decibels all the time with the valves constantly and fully open.

Nothing dramatic, but a nice and noticeable option that comes with little-to-no cost.

///AVM

It works, no CEL, better sound Thanks!