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      02-21-2024, 04:43 PM   #55
DrFerry
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Drives: 2008 E92 M3
Join Date: Jul 2010
Location: Greenville, SC

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Quote:
Originally Posted by uhhh_maks View Post
The sucking jet pump is just a check valve. I cut my old one open (ball was flipped like some pics in the OP), it's a hollow metal ball and spring that pushes the ball against a seal. The orientation is such that it could draw fluid in from the bottom and then not let it run back into the pan.

I blew into the new Getrag part to see how well it sealed compared to my old one and it really doesn't hold much pressure.
So not really a 'pump' after all, but a venturi instead, and no drive mechanism such as vacuum, a gear, a belt, a shaft nor electric. Got it. Thanks.
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'08 E92 M3 DCT Melbourne Red/Bamboo Beige Leather/EDC/SSP Spec-R DCT clutch/SSP Pro-Gold DCT Fluid/Quaife LSD/3:45 Final Drive/BE Bearings & ARP Bolts/LUX H8 180/DCT Tune by BPM Sport/PFC Z-Rated Pads/ECS Brass Brake Caliper Guides/Alex Shop Solid Sub-frame Bushings/Motul 600/Tint
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