Yes another oil sensor issue

[sxychubles]

Got the alternator in. Now waiting for a new ps belt to come in because someone in Munich decided to redesign the alternator tensioner to take a torx bit instead of a hex bolt causing me to take the oil cooler lines out and oil spilling everywhere even after emptying the OFH. 🤦🏼*♂️

Everything is fine. Add fire emoji.

[spammysammich]

Wait what? My tensioners are both 14mm hex. When did this happen? I just did them in late 2024 I think.

[nick3753]

Originally Posted by sxychubles

Got the alternator in. Now waiting for a new ps belt to come in because someone in Munich decided to redesign the alternator tensioner to take a torx bit instead of a hex bolt causing me to take the oil cooler lines out and oil spilling everywhere even after emptying the OFH. 🤦🏼*♂️

Everything is fine. Add fire emoji.

Oh the joys of being a DIY mechanic. I really hope this resolves your sensor issue 🙏🏻. All avoidable if they just gave us a dipstick that worked fine for over a 100 plus years of the automobile.

[L4ces]

Had the same problem with reading max and +1qt.
1. purchased aftermarket sensor no good.
2. purchased BMW version; good.

[sxychubles]

Originally Posted by spammysammich

Wait what? My tensioners are both 14mm hex. When did this happen? I just did them in late 2024 I think.

No more! Just did it a few weeks ago, that's the part that came.

[spammysammich]

Oh I didn’t by a full tensioner assembly. Just the damper and pulley separately and reused my tensioner arm. So when I replaced the pulley I just reused the bolt and blue loctite. I forgot that detail. They charge an arm and a gonad for that full assembly.

[sxychubles]

Well car is on the ground. Had a few beers, will report tomorrow

[RocketyMan]

Originally Posted by sxychubles

Well car is on the ground. Had a few beers, will report tomorrow

This can be checked with INPA as soon as the module is plugged in.

[sxychubles]

Lol ok. So alternator is great, reads between 13.6 and 14.1v. oil sensor is still doing the same thing, going to do a few mor drives today to see if it ever calibrates.

[sxychubles]

No change. Problem still exists. Even added a 500ml of oil, pretty sure it's overfilled now. Still getting low oil reading.

Going under tomorrow to check wiring harness again. Ordered yet another sensor. No codes at all, ac compressor may be on the way out. Car sometimes stalls sitting still with ac and sometimes the ac doesn't blast at all. Going back to driving the g82 for now.

[sxychubles]

Guys, it's working. Spent all day trouble shooting. All wiring were good, no short anywhere...however after probing the ground I got a code and cel. Sensor fault. Went back down, disconnected and saw that the terminals are way to wide when compared to a new terminal. Bent them back. Drove for 20min, got a reading. Lost my mind. Restarted car, got another reading, forced reset and after ten minutes got another reading. What a journey it's been. Was thinking of replacing the sensor plug and terminals but honestly might just never touch it again.


In the process of all this, found out my ac compressor is toast. 🤦🏼*♂️ It doesn't end.

[spammysammich]

There’s a reason it’s a forever car… Forever fixing broken shit 😉. Glad you got it sorted

[DrFerry]

Originally Posted by sxychubles

Guys, it's working. Spent all day trouble shooting. All wiring were good, no short anywhere...however after probing the ground I got a code and cel. Sensor fault. Went back down, disconnected and saw that the terminals are way too wide when compared to a new terminal. Bent them back. Drove for 20min, got a reading. Lost my mind. Restarted car, got another reading, forced reset and after ten minutes got another reading. What a journey it's been. Was thinking of replacing the sensor plug and terminals but honestly might just never touch it again. In the process of all this, found out my ac compressor is toast. 🤦🏼*♂️ It doesn't end.

Thanks for posting a follow up. It's good information for others to know i.e. loose or worn sensor connector plug terminals can cause a repetative "no read" oil level situation. Well done finding and fixing it. I'm glad at least this part has worked out for you. Along the way you discovered a low voltage output from the alternator and now an A/C compressor that's on the way out. Yikes... BMW is an abbreviation for Broke My Wallet.

[sxychubles]

Oh for sure. Once this is all buttoned up, the g82 is next for a deflection pulley. Yay!

[omgzirra_exe]

Originally Posted by sxychubles

Oh for sure. Once this is all buttoned up, the g82 is next for a deflection pulley. Yay!

Glad you got it all sorted, although the alternator might have not resolved it, at least you got a new alternator lol.

[nick3753]

Originally Posted by omgzirra_exe

Glad you got it all sorted, although the alternator might have not resolved it, at least you got a new alternator lol.

True, and a bad alternator could leave you stranded. When mine died, I got lucky as the battery lasted just long enough to get me out of a boxed in 2 lane construction zone.

[sxychubles]

Oh for sure. It was a solid replacement. Thank you to everyone who contributed in helping me get to the solution. Solid community effort. Everyone deserves a beer. 🍻

[RocketyMan]

Thanks for reporting back. Glad you got it fixed!

I need to do a write-up on using INPA for checking the oil level sensor. Makes it very easy to T/S.

[sxychubles]

https://www.instagram.com/reel/DaOQq...JsaGJ5ZjdyOHBz

So real.