Ti Automotive GSS352G3 check valve

[ac427]

Does anyone know if the GSS352G3 fuel pump has an integral check valve?

Does the GSS pump range generally not have check valves?

I checked on the Ti Automotive website but could see nothing in their docs. I tried the send a question too but sadly no response yet.

[Slideways]

I recently found this information about the stock Z4M fuel pump - https://www.zpost.com/forums/showthread.php?t=1408727

Not sure if it will work on the E46, but the OP recommended this pump for the Z4M - WALBRO TI AUTOMOTIVE TIA400-2 F90000262 FUEL PUMP 400LPH HIGH PRESSURE (UNIVERSAL)

[ac427]

I recently found this information about the stock Z4M fuel pump - https://www.zpost.com/forums/showthread.php?t=1408727

Not sure if it will work on the E46, but the OP recommended this pump for the Z4M - WALBRO TI AUTOMOTIVE TIA400-2 F90000262 FUEL PUMP 400LPH HIGH PRESSURE (UNIVERSAL)

Thanks, it's bizarre that it is so difficult to find this information. One supplier said that most in-tank pumps don't have NRV's. I cannot believe that is the case because only a few in-tank pumps in the Ti Automotive catalog mention not having a check valve. I'd rather not assume all the others do based on that though.

Currently i am running a pump badged as "HRC Performance GSS342". Judging by YT videos, it looks like an imatation Walbro. It's the second one i have run (they seem to last 5 years). I have had none of the two goes to start the engine nonsense that others have experienced without an NRV in their fuel pumps.