09-29-2023, 08:38 PM | #1 |
Second Lieutenant
82
Rep 219
Posts |
exhaust valves only open partially?
I was reading about a, aftermarket valvetronic controller that opens the valves all the way, they claim BMW's only opens the valves partially? Is this true for all BMW including the f85/86?
|
10-01-2023, 01:31 AM | #4 |
Just me
23
Rep 80
Posts |
I think those are more about having total control of when the flaps open/close, than they are about the opening angle. There are some apps that those that for you as well like carly
If your aim is higher flow of exhaust gasses, A sport cat or catless could be better spend tbh. You get additional free Hp |
Appreciate
0
|
10-02-2023, 01:30 PM | #5 | |
Second Lieutenant
82
Rep 219
Posts |
Quote:
|
|
Appreciate
0
|
10-03-2023, 08:26 PM | #6 |
Just me
23
Rep 80
Posts |
What im trying to say, the F85/F86 has quad pipes directly from inside the muffler, 2 of them are always open (have no valves) while the valve is only on the other 2. So it doesnt really matter if valve opens fully or partially
Becoz there is no pressure build up in both scenarios. Its probably just a marketing point for them. |
Appreciate
0
|
Post Reply |
Bookmarks |
|
|