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laurakeller1

BMW X2 Power Seat System Failure, Common Fix Inside

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Electric seats malfunction

Hey everyone. Having trouble with my 2020 BMW X2's power seat system. When I start the car, seat adjustments don't work at all, and even saved driver profiles only activate after engine start. Getting error codes too. I suspect it's related to the passenger side electric seat, but not entirely sure. Has anyone dealt with similar electric seat issues in their X2? What was the diagnosis and repair process like at your workshop? Looking for some insight before heading to the mechanic. Thanks in advance!

4 comment(s)


erwinhoffmann50

Hey there! I've got some experience working on BMWs (some experience level). I had a similar issue with my 2018 BMW X1 last year. The power seats were acting up just like yours, no response, saved positions not working properly. Initially thought it was the seat motors, but turns out it was actually a battery issue. The main battery was heavily discharged and couldn't provide enough power for the seat systems to work properly. Took it to my regular workshop, and they ran a full diagnostic. They had to replace the battery since it was pretty much done for. Total bill came to about 290 Euro, but it fixed all the electrical gremlins, including the seat issues. Before I can give you more specific advice, could you share: Does the issue happen consistently or intermittently? Are you getting any other electrical issues? How old is your current battery? By the way, the X2 and X1 share a lot of electrical components, so the fix might be similar for you.

laurakeller1 (Author)

Thanks for sharing your experience! Yeah, my issue is pretty consistent, happens every single time I start the car. Just had my service at 34991 KM, and they didn't mention any battery issues, but I'm starting to wonder if that could be the cause. The weird thing is, I'm not seeing any other electrical problems, everything else works fine, it's just the seats being temperamental. The battery's original from 2020, so it should still be okay, but maybe worth checking. Guess I'll have to get it properly diagnosed to be sure. Did your battery give any other warning signs before the seat issues started?

erwinhoffmann50

Hey again! Thanks for those details about your X2. You know what's interesting, my situation started exactly the same way. The seats were the only obvious issue at first, and everything else seemed fine. But looking back, there were some subtle signs I missed. My car would occasionally take a fraction longer to start, especially on cold mornings, but it was so minor I didn't think much of it at the time. Even though your battery's only from 2020, I wouldn't rule it out. These modern BMWs are pretty power-hungry with all their electronics, and factors like short trips, extreme temperatures, or lots of accessory use can wear batteries down faster than you'd expect. My battery was only about 3 years old when it started causing trouble. The consistent nature of your problem matches what I experienced too. Have you noticed if the seat adjustment works better after the car's been running for a few minutes? In my case, once the alternator had been charging the system for a bit, the seats would sometimes work better. One quick test you could try, next time you're in the car, turn on the ignition (without starting the engine) and try to adjust the seats. If they work fine in this mode but act up after starting the engine, it might point more toward a voltage regulation issue rather than just the seats themselves. Just remember though, these are pretty complex systems, so it's worth getting a proper diagnosis. Wouldn't want you replacing parts unnecessarily!

laurakeller1 (Author)

Thanks for all that detailed info! You've actually given me a really good idea about what to look for now. I just went and tried that ignition test you suggested, and interestingly, the seats do work a bit better before starting the engine. Come to think of it, I have noticed the car taking slightly longer to start on cold mornings lately, just like you mentioned. I guess I was too focused on the seat issue to connect the dots. You're probably right about modern BMWs being power-hungry. I do lots of short trips around town, so maybe that's been harder on the battery than I realized. Think I'll get the battery checked out first before diving into any expensive seat system repairs. Really appreciate you sharing your experience, saved me from potentially going down the wrong repair path. I'll update once I get it sorted!

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