[02fbody35th]

Originally Posted by 18Hotwheels-SS

I always figured it was the e-brake

Definitely not the ebrake. I didn’t even enter the car. Just opened the driver door. It’s the fuel pump. Just not sure if it’s supposed to sound like it does

[BMWM.D.]

Originally Posted by 02fbody35th

I would greatly appreciate it if you or anyone could send a video of there’s. Unfortunately there are no Zl1’s For sale with in a hour from me. So to duplicate the concern is near impossible for me. And I really don’t want to take the car into the dealership. Thanks!

Here you go. This one seemed shorter than it is sometimes, but the noise is the same. To me, it just sounds like fuel being returned internally as the pump powers on. Keep in mind this is a powerful pump, and that no fuel is being consumed when it primes. As far as I know, there’s an in-tank regulator and whatever fuel isn’t needed is fed back into the tank. That’s the liquid type sound you’re hearing in my opinion.

https://youtu.be/nenwpgtDwg8

[02fbody35th]

Originally Posted by BMWM.D.

Here you go. This one seemed shorter than it is sometimes, but the noise is the same. To me, it just sounds like fuel being returned internally as the pump powers on. Keep in mind this is a powerful pump, and that no fuel is being consumed when it primes. As far as I know, there’s an in-tank regulator and whatever fuel isn’t needed is fed back into the tank. That’s the liquid type sound you’re hearing in my opinion.

https://youtu.be/nenwpgtDwg8

Yep that’s it! Same exact noise. Man am I relieved to know that it’s normal. What you said makes sense now that I think about it. I greatly appreciate You taken the time to make that video and post it for me!

[BMWM.D.]

Originally Posted by 02fbody35th

Yep that’s it! Same exact noise. Man am I relieved to know that it’s normal. What you said makes sense now that I think about it. I greatly appreciate You taken the time to make that video and post it for me!

No problem. Just for laughs, I decided to hook up my laptop and see if I could activate the pump with HP Tuners. Was able to get a much better sound clip standing near the passenger side.

https://youtu.be/_53CoqpVoeQ

[02fbody35th]

Originally Posted by BMWM.D.

No problem. Just for laughs, I decided to hook up my laptop and see if I could activate the pump with HP Tuners. Was able to get a much better sound clip standing near the passenger side.

https://youtu.be/_53CoqpVoeQ

That’s neat! You the man!