2003 Z4 with ALL of the codes

So my CEL came on. No biggie, probably the gas cap...

u3f00 p29b5 p27a4 p27ca p2400 

UHHH

Is there a common cause for all of these to appear??

2003 Z4 3.0i (M54)

Im getting parts together for the 02Pilot Mod since it's finally springtime and I don't have a garage. I guess the timing could be worse. 

Stored, pending, or active?

Personally, I'd clear them and see what comes back. 2400 is for a evap leak detection pump and u3f00 looks like an airbag code.

How old is the battery? These cars are very sensitive to what may seem like small variances in voltage, and a series of seemingly unrelated codes can be the result.

All the codes?  Pfffftt... That's only five.  

I cleared them on March 9 and this is what I have today, ten days later:

U3F00 (no status given)

P27CA (test conditions are met, validated and stored...)

P29B5 (pending)

P2400 x2 - 1 pending and one confirmed.

I just looked and there are no markings on my battery at all. I bought the car in June 2018 so at least 3 years old. I suppose it's not a bad thing to do

I can't find anything about U3F00. I hope it's not airbag. I spent $500 back in 2018 getting that light to go off after I swapped in a new door and neglected to put the old door's airbag in the new door. The airbag light hasn't come back on yet, so that's encouraging. P27CA comes up with garbage on google, maybe pressure control solenoid?? P29B5 is another black hole, p2400 = evap somewhere

Go find someone with a scan tool that speaks German.  None of those codes show up in Alldata, so they might be garbage.

Euro cars and P codes often don't get along well, because obd2 was a useless American invention, so why give it any more attention than was legally required?

If you ignore the P and extra zeros and stuff, 24 could be ac compressor function.  27 could be fuel adaptation at idle.  29 could be air containment valve for shrouded fuel injectors.

You have any vacuum leaks?

According to https://bmwfaultcodes.com:

27ca - Oxygen sensor after cat.,bank 1,gradient monitoring or Oxygen sensor, restart diagnosis, after cat., bank 1

29b5 - Secondary-air system

Can't find anything for the others. What are you using to scan?

$17 WiFi scanner and the Car Scanner iOS app

i’m getting the feeling from these comments that my run to the grocery store tonight should include a stop at AutoZone

I'd get a scanner that can talk BMW. Modern cars are getting more difficult to diagnose without the appropriate software. Not saying you need to get BMW's tool, as an example I use the Foxwell scanner and then purchase the OEM software packages I need.  It's paid for itself many times over.

Autozone won't be able to help you - all they have is standard OBD2. You want a dedicated scanner like the Foxwell that dj06482 mentioned with the appropriate software packages.

Streetwiseguy said:

Euro cars and P codes often don't get along well, because obd2 was a useless American invention, so why give it any more attention than was legally required?

This is truth.  And BMW is probably the worst offender for this.

You can have BMW specific codes, and OBD-II codes, in a BMW.  Or you can have no BMW-specific codes and have generic OBD-II codes.  Or you can have BMW-specific codes and no OBD-II codes.  And EITHER ONE of them will affect drivability.  It's like a two headed snake is trying to control the engine.

U codes are communication errors.  99% of the time it's ignorable, like the modules just happened to wake up in the wrong order one key-on event.

okay so AZ and oreilly both only found the 2400s. oreilly was an innova 5300LaT.

Am I looking at this? https://www.amazon.com/FOXWELL-Automotive-Diagnostic-Transmission-Registration/dp/B019QCG5RE

Half the price, still work? https://www.amazon.com/Scanner-AUTOPHIX-7810-OBD2-Registration/dp/B07CZB2MWL/

Or this? https://www.amazon.com/CREATOR-Diagnostic-Scanner-Cooper-Communication/dp/B07J66SLK6/

What's this i hear about a $40 sensor and INPA software? I have 3 little kids and no time so probably no?

I can only speak to the first one. I have an earlier version of it and it works fine for what you need. If you get it be sure to update the software, as they do add things in the updates. INPA would add the ability to code things in or out, but I haven't pursued it - certainly an additional level of complexity would be involved.

I have the Foxwell 510 Elite with the Toyota and Honda software. The interface is a little clunky (you press buttons as opposed to using the touch screen), but it's worked as advertised. The transmission in our Odyssey was failing, and the scanner enabled me to read Honda-specific transmission codes and monitor RPM and transmission output shaft speeds, so I could prove the torque converter wasn't locking up at highway speeds. I used this information to have the dealer replace the transmission under warranty. 
 

Each manufacturer has software that unlocks different scanning capabilities, but I can vouch that it's been great for the two pieces of software I own (Honda and Toyota).  I'd also check on the BMW forums to see if people are having the same experience with the BMW-specific software before buying.

Well, before I drop $150 on one of these scanners, is there anyone in the Lansing, MI area with one they'd be willing to plug into my car?