BOV options

[5timesturbo]

Recently I was told that i can not run a HKS BOV on my turbo 535i with stock engine management. I was told my only option is a BOV that reroutes the air back in front of the mass air flow sensor. Is this correct? Ifso does this mean I wastedmy money on a hks ssqv bov?

[demetk]

Pic?

[tschultz]

If you blow off, the engine won't read the air being discharged and you will instead get a rich condition as the engine expects more air. When I had Motronic, I used a divertor valve from a VW to plumb back in after the AFM but before the turbo...

[George]

What Tom said is correct. Depending on the boost level and fueling the engine might stumble with the overly rich condition. A diverter valve will eliminate this issue.

[Shadow]

i don't know anything about your setup but just by the comments you have the AFM right before the turbo?

There is a DV adapter for that hks so you can still use it that way.
https://www.vividracing.com/synapse-eng ... 05272.html

Are you not running a valve now?