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      05-13-2026, 01:40 PM   #9
e36mikee
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Drives: e92 m3
Join Date: Apr 2026
Location: CA

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Quote:
Originally Posted by smokinjoe64 View Post

Thanks for bringing that to my attention. So essentially im probably correct to assume the filter brought light to my failing regulator. I believe the pump is still good because pressures on prime/wot etc seem fine but i have the random 5-10second 2.85-2.9 bar pressure when the target is 3 idling and what not. And then leaking pressure when cars been sitting for some hours.

Edit : So upon more research and your post, there is no regulator by itself we just have the transfer unit and the main pump. So i should probably go ahead and replace those as they will likely die soon enough as highlighted by the filter. 50k mile 2010 car.

Last edited by e36mikee; 05-13-2026 at 02:31 PM..
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