 » Site Navigation | | | | » Recent Threads | | | My 318ti build 05-21-2024 04:48 PM 05-21-2024 04:48 PM 0 Replies, 1,375 Views | |  |  |  | |  09-09-2006, 02:45 AM | #1 | | Member Join Date: Jul 2006 Location: oregon Posts: 83 |  anyone have a pic of the bypass valve?
??? |  |  | | 09-09-2006, 03:16 AM | #2 | | Senior Member Join Date: Oct 2005 Location: Puerto Rico Posts: 885 |
__________________ BMW...MY NEW TOY  Mods: Some plastic parts, ///M Wheels and me | | | | | 09-09-2006, 04:30 AM | #3 | | Member Join Date: Jul 2006 Location: oregon Posts: 83 |
i acatully wanted to see one installed so i could see if it would be possible to rig up something to turn it on and off | | | | | 09-09-2006, 05:50 PM | #4 | | Senior Member Join Date: Mar 2005 Location: Portland Or Posts: 2,666 |
With the eaton style superchargers there's really no reason to turn it on and off unless you want to disable the blower for Valet mode or something?
See the Magnesun web page they used to have pics of the blowers
The valve is pressure/vacume activated so a clippard valve in the line
or a solenoid valve will do what you want.... It works just like a wastegate physically.
Dave __________________
Dave - PDX
1995 318ti - Active Black and Tan.
2005 330xi - Mtech 1 - 6spd - Orient Blue/Black | | | | | 09-09-2006, 06:43 PM | #5 | | doesn't care about you. Join Date: Aug 2004 Location: Denver, CO Posts: 3,925 |
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'99 Dinan M3 | | | | | 09-10-2006, 02:29 AM | #6 | | Senior Member Join Date: Oct 2005 Location: Puerto Rico Posts: 885 |
hey dustent i win other auction in ebay for a nissan xterra supercharger for $90.00, SO I HAVE 3 OF THEM, one on the ti and two spare, or to future proyects on my friend 325, also the two ebays blower have a 3.90" pulley, so if you like to play with boost i send one to you.... __________________ BMW...MY NEW TOY Mods: Some plastic parts, ///M Wheels and me | | | | | 09-10-2006, 02:40 AM | #7 | | doesn't care about you. Join Date: Aug 2004 Location: Denver, CO Posts: 3,925 |
Quote: Originally Posted by FATHER  hey dustent i win other auction in ebay for a nissan xterra supercharger for $90.00, SO I HAVE 3 OF THEM, one on the ti and two spare, or to future proyects on my friend 325, also the two ebays blower have a 3.90" pulley, so if you like to play with boost i send one to you.... | I have a 3.60" pulley so going to a 3.90" would be less boost. Maybe good for winter though. __________________
'99 Dinan M3 | | | | | 09-11-2006, 03:57 AM | #8 | | Senior Member Join Date: Oct 2005 Location: Puerto Rico Posts: 885 |
O may bad , is 2.90 not 3.90 __________________ BMW...MY NEW TOY Mods: Some plastic parts, ///M Wheels and me | | | | | 09-11-2006, 04:01 AM | #9 | | doesn't care about you. Join Date: Aug 2004 Location: Denver, CO Posts: 3,925 |
Quote: Originally Posted by FATHER O may bad , is 2.90 not 3.90 | I've been thinking about getting a thicker head gasket and trying to run some more boosti. If I ever get around too it, I'll let you know. __________________
'99 Dinan M3 | | | | | 09-12-2006, 11:46 PM | #10 | | Member Join Date: Jul 2006 Location: oregon Posts: 83 |
I still havent been able to find a good shot of it up close. do you guys think it would be possible or not? | | | | | 09-12-2006, 11:49 PM | #11 | | Senior Member Join Date: Mar 2005 Location: Portland Or Posts: 2,666 |
So whats the reason for wanting to shut off the bypass valve? I'm really curious!  Dave __________________
Dave - PDX
1995 318ti - Active Black and Tan.
2005 330xi - Mtech 1 - 6spd - Orient Blue/Black | | | | | 09-12-2006, 11:54 PM | #12 | | Senior Member Join Date: Mar 2005 Location: Portland Or Posts: 2,666 |
Quote: Originally Posted by nickmpower I still havent been able to find a good shot of it up close. do you guys think it would be possible or not? | I just put a JPG in my photo gallery, the Aluminum part with the throttle valve thing is also built in to the later generation eaton blowers. So you do understand that the bypass valve on the supercharger is not a wastegate? Just asking... Dave __________________
Dave - PDX
1995 318ti - Active Black and Tan.
2005 330xi - Mtech 1 - 6spd - Orient Blue/Black | | | | | 09-13-2006, 03:59 AM | #13 | | Senior Member Join Date: Oct 2005 Location: Puerto Rico Posts: 885 |
Is not a good idea close the bypass valve....not power gain only a lot of fuel consuption __________________ BMW...MY NEW TOY Mods: Some plastic parts, ///M Wheels and me | | | | | 09-13-2006, 04:11 AM | #14 | | Member Join Date: Jul 2006 Location: oregon Posts: 83 |
I want to be able to open it and keep it open. Then also have it go between close and open as it wants. basiclly so that you can turn it off when you dont need it on | | | | | 09-13-2006, 01:35 PM | #15 | | doesn't care about you. Join Date: Aug 2004 Location: Denver, CO Posts: 3,925 |
Quote: Originally Posted by nickmpower I want to be able to open it and keep it open. Then also have it go between close and open as it wants. basiclly so that you can turn it off when you dont need it on | You could setup a 2 into 1 valve to do this. When there is vaccum on the bypass valve, it's open. As vaccum approached atmospheric pressure it closes. Why would you want to bypass all the time? I see no advantage to doing this. __________________
'99 Dinan M3 | | | | | |
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