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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Oil Pump issues - 2020 M340

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      10-31-2023, 10:42 AM   #111
larrylam646
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Quote:
Originally Posted by 8ighty5ive View Post
How can one check list of recalls that have been completed? When I search on BMW website it just shows that they were completed, not which ones though.

This is for a vehicle I am looking to purchase, build is 03/19 - it would give me peace of mind to see oil pump issue has been taken care of.
Enter the VIN of the vehicle in the this NHTSA link...https://www.nhtsa.gov/ to uncover any unrepaired recalls on the vehicle.

Click on the "Learn More" link for details on the vehicle i.e. the # of recalls, description of recalls and other info.

FYI, if the vehicle FW (ilevel) has been updated to S18A-21-03-567 or higher, then the recall affecting the oil pump has been completed. See attached for the details on this specific recall.
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File Type: pdf RCRIT-21V598-2533.pdf (327.6 KB, 103 views)
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      02-27-2024, 05:07 PM   #112
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Quote:
Originally Posted by KyK View Post
Yah it seems like you have the problem. Exactly what was described on fb. I've been tuned since 1k miles so I understand your frustration. Nobody wanted to even service my car until I got referred by a nice ex-bmw tech that said its stupid for me to have to pay for a service. Even then I'm more worried about them reflashing the car and having to pay to get my ecu reunlocked. Apparently abnormally high oil pressure is another symptom so maybe run a log with your flasher and see if that's also there.
On a b58, what would you call abnormally high oil pressure? Anything over 80-85 psi?
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      02-28-2024, 09:26 AM   #113
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Quote:
Originally Posted by stunatu72 View Post
On a b58, what would you call abnormally high oil pressure? Anything over 80-85 psi?
This is not an attempt to answer your question, but are you able to perform an oil level measurement after the engine is warm?
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      02-28-2024, 05:30 PM   #114
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Originally Posted by CrownRoyal79 View Post
This is not an attempt to answer your question, but are you able to perform an oil level measurement after the engine is warm?
I am, at all times. I’m hearing the whirring sound you mentioned in one of your posts. Mine is a 2021 m340i, so oil pump was never a concern. Struggling with dealers as they want to see the engine light or an idrive message before they take me seriously. My oil pressure psi hits 110 at times (at 1800-6000 rpms ) which I’ve communicated and find odd but I’m not sure what the normal range is. Other posters have indicated up to 83 psi on full throttle.
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      02-28-2024, 06:06 PM   #115
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Quote:
Originally Posted by stunatu72 View Post
I am, at all times. I’m hearing the whirring sound you mentioned in one of your posts. Mine is a 2021 m340i, so oil pump was never a concern. Struggling with dealers as they want to see the engine light or an idrive message before they take me seriously. My oil pressure psi hits 110 at times (at 1800-6000 rpms ) which I’ve communicated and find odd but I’m not sure what the normal range is. Other posters have indicated up to 83 psi on full throttle.
https://datazap.me/u/raigen18/log-16...0&data=2-15-19

Mine also hovers around 80 psi at WOT.
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      02-28-2024, 06:14 PM   #116
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Quote:
Originally Posted by siphor1989 View Post
https://datazap.me/u/raigen18/log-16...0&data=2-15-19

Mine also hovers around 80 psi at WOT.
So never hits 90-100-110 psi? Is this an full throttle? What do you see when driving normally?
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      02-28-2024, 06:35 PM   #117
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Quote:
Originally Posted by stunatu72 View Post
So never hits 90-100-110 psi? Is this an full throttle? What do you see when driving normally?
The datalog I posted was a full throttle run through gears 1-3. I don't think i've ever seen it go past 90 psi. It's usually around 35-60 psi just driving normally.
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      02-29-2024, 10:19 PM   #118
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If your over 100psi I would definitely consider a pump change, the pump has a plastic surround and the more psi that is put on it than it was designed for, the more likely you’ll have a catastrophic oil pump failure.
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      03-01-2024, 10:52 AM   #119
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Quote:
Originally Posted by JacobM340i View Post
If your over 100psi I would definitely consider a pump change, the pump has a plastic surround and the more psi that is put on it than it was designed for, the more likely you’ll have a catastrophic oil pump failure.
Even though mine is a 2021, this is also what I’m leaning towards, an oil pump issue. Will test out a friend’s G20, have my Indy mechanic friend take a look and then go back to BMW. Right now they don’t want to touch it since there’s no engine light on. Thank you for the info and tips.
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