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X1 E84 (2011 - 2015)
First generation BMW X1 availbe as a X1 28i with either sDrive (RWD) or xDrive (AWD) or the US exclusive I6 N55 powered X1 35i xDrive.

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  #1  
Old 03-25-2019, 12:07 PM
MV1609 MV1609 is offline
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Newbie here Please be patient!!!

Thinking about purchasing an 2013 X1 from a private seller. I borrowed a friends Foxwell and came up with a few codes that I don't understand. Hoping you folks here can help.....

First, the car....
BMW X1 E84 N20 (best I can tell....) sDrive 28i, 90000k

Its a rough idle, which smooths out when running with the pedal mashed, even if ever so gently. I see a tiny bit of oil leak, from the valve cover (which I am prepared to deal with) but the rough idle is confusing on these newfangled contraptions!!!

This is a one owner car and was probably well cared for (looks pristine under the oil cap compared to my VW at it's comparable age) but I am a bit uncomfortable if I cant get a grip on the problem.

Now the codes....
See the pic*

There is another code present, but I think I can handle that one. It seems to be some kind of climate control code. A re-circulation sensor or something

Can you guys help me with this diagnosis, PLEASE!!
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  #2  
Old 03-25-2019, 12:22 PM
mreric mreric is offline
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i could be a simple spark plug replacement that is needed at that mileage. is an easy job.

but could also be something more.
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Old 03-25-2019, 01:01 PM
Yukoner Yukoner is offline
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Valvetronic problems can be tricky. Here is a thread to read about that exact fault:

https://www.babybmw.net/forum/viewtopic.php?t=104168

It could mean that it just needs its adaptations reset. It could mean you need a new valvetronic actuator motor. More diagnosing would be required.
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Old 03-25-2019, 07:04 PM
Chicone Chicone is offline
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I might be able to help a little because my valvetronic motor was replaced. Rough idle is a symptom. Is there any unusual whining sound when locking/ unlocking the doors? You might want to get a service history or a carfax report.
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Old 03-26-2019, 04:08 AM
MV1609 MV1609 is offline
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Originally Posted by Chicone View Post
I might be able to help a little because my valvetronic motor was replaced. Rough idle is a symptom. Is there any unusual whining sound when locking/ unlocking the doors? You might want to get a service history or a carfax report.
Interestingly enough, yesterday after this post, I pulled one!!! Clean as a whistle. Just tire rotations and passing safety inspections!!

Interestingly enough also, there is a slight "whine" when unlocking, but I didn't notice it coming from the engine bay, just the doors. It seemed normal, like a prior VW I owned. Is that a possible symptom of a waning valvetronic motor??
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Old 03-26-2019, 06:10 AM
Chicone Chicone is offline
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Yes the rough idle, plus the door whine, plus the codes you pulled = valvetronic motor is bad. Mreric mentioned the plugs which at that mileage are overdue, they will be very accessible during the valvetronic service. In that service, they have to remove the coils, there is the potential they might break one or two. Mine was fixed under warranty, it took a couple days in the shop. Valvetronic service is not cheap, and at this point you donít know what other problems there might be. Be careful.
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Old 03-26-2019, 07:11 AM
MV1609 MV1609 is offline
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Quote:
Originally Posted by Chicone View Post
Yes the rough idle, plus the door whine, plus the codes you pulled = valvetronic motor is bad. Mreric mentioned the plugs which at that mileage are overdue, they will be very accessible during the valvetronic service. In that service, they have to remove the coils, there is the potential they might break one or two. Mine was fixed under warranty, it took a couple days in the shop. Valvetronic service is not cheap, and at this point you donít know what other problems there might be. Be careful.
Thanks, I will!! I was prepared to have the valve cover gasket done anyway, for a minor leak, so Ill ask my guy how much it would take to do this, as well.

MUCH APPRECIATED!!!!
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Old 03-27-2019, 10:44 AM
Bucketfoot Bucketfoot is offline
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To each their own, but I do not plan on keeping my X1 beyond 100K miles (or any BMW for that matter). So I would not even consider one with 90K miles on it.
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Old 03-27-2019, 04:06 PM
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A faulty MAF could also throw those errors, I believe. That is a relatively cheap DIY. You can test the MAF if you have a multimeter.
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Old 03-28-2019, 06:02 AM
kevman2 kevman2 is offline
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Mine has 138k and has never had a problem, runs like new. Almost no trade value left, so keeping her until she dies out or needs major repair.

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Old 03-28-2019, 04:52 PM
Yukoner Yukoner is offline
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Quote:
Originally Posted by Bucketfoot View Post
To each their own, but I do not plan on keeping my X1 beyond 100K miles (or any BMW for that matter). So I would not even consider one with 90K miles on it.
There are lots of E84 / E9x examples that have 100K+ miles. It's all about keeping up with scheduled maintenance. For example, if you're not willing to do a transmission service (~$1,500.00 USD at the dealer), then sure, don't keep an X1 past 100K miles.
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Old 03-29-2019, 02:22 PM
Bucketfoot Bucketfoot is offline
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Originally Posted by Yukoner View Post
There are lots of E84 / E9x examples that have 100K+ miles. It's all about keeping up with scheduled maintenance. For example, if you're not willing to do a transmission service (~$1,500.00 USD at the dealer), then sure, don't keep an X1 past 100K miles.
But would you buy an X1 that already has 90K miles on it without a clear understanding of the vehicles maintenance history (which the OP may or may not have -- this is not clear to me).

Again, personally I absolutely would not (of course price plays a roll here too!). A Corolla, Camry, Civic, Accord, etc. maybe, but I would not do this on any BMW.
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Old 03-29-2019, 04:48 PM
Yukoner Yukoner is offline
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Quote:
Originally Posted by Bucketfoot View Post
But would you buy an X1 that already has 90K miles on it without a clear understanding of the vehicles maintenance history (which the OP may or may not have -- this is not clear to me).

Again, personally I absolutely would not (of course price plays a roll here too!). A Corolla, Camry, Civic, Accord, etc. maybe, but I would not do this on any BMW.
I bought an E90 with 45K miles on it. I bought an E84 with 70K miles on it. I had no service history on either vehicle, as both vehicles came from used car dealers.



A used car is a used car. Roll of the dice either way. And you have to be prepared to invest in maintenance. The problem is that people pay, say, $15K for their used X1, and then expect they can just drive around and basically have no maintenance to worry about for "x" amount of time. "x" is an arbitrary number in the new owner's head. Maybe it's the amount of months until the loan is paid off. Maybe it's how much use they "feel" they should get out of it before having to put money into maintenance. Either way, the "x" is not a figure rooted in any logical reality. When I got my E90, I sunk ~$5K into repairs and maintenance within the first 6 months. I'm OK with that. I understood that's what had to happen.

From what I see on the forums and other places, lots of people buying these cars used are buying them because they're "cheap" and there's no way these people could pay the brand new price. In other words, they're overextending themselves by buying a car they can't really, truly afford. Then get angry about higher maintenance costs as compared to a Corolla.
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Old 03-29-2019, 06:47 PM
MV1609 MV1609 is offline
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..... one of the reasons I am interested is that it's a one owner car with what looks like all the maintenance records, and a clean carfax.

..... while we are talking expected maintenance, I did relate earlier in this thread that I previously owned a B5 Passat?. I know about maintenance on German cars..... I'm expecting and prepared to do lots of maintenance, preventative and normal

The verdict is back. It's a bad Valvetronic shaft. I'm getting the car, having the timing chain, vacuum pump done, all at the same time.... here's to another 90k!!!

Thank you guys for all your input!
I'm sure I will be back again soon!!!

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Old 03-29-2019, 06:51 PM
MV1609 MV1609 is offline
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P.S. .....did I mention it's being stolen by me for $5800

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Old 03-30-2019, 04:38 AM
Tommy D Tommy D is online now
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Buyer beware on a 2013 with the N20 engine. https://bmwtechnician.com/2017/08/02...-bmw-bulletin/
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Old 03-30-2019, 12:31 PM
MV1609 MV1609 is offline
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This bulletin is why I was curious about the Valvetronic codes in the first place. If I was gonna do the chain (saw the warnings on the chain while researching the vehicle...) should I just go ahead and do that part, as well.

I have decided to get it all done at once and spare any future headache.....

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Old 03-30-2019, 03:56 PM
Tommy D Tommy D is online now
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Have the service done, it requires more than the timing chain, it should include the oil pump, tensioner, guides, etc. Your BMW shop will advise you. Dealers charge anywhere from $2000 to $4000 for the service. Shop around. It's an all day job.
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Old 03-30-2019, 05:17 PM
Yukoner Yukoner is offline
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The N20 timing chain issue (pre-2014, from my understanding) is a known issue, but it's not COMMONLY happening. You chances aren't in the realm of 50/50 or anything like that. I'm not saying don't get the chain and tensioner changed out, as that would certainly give you a good peace of mind, but I certainly wouldn't be sweating about it every night while going to sleep.
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Old 03-30-2019, 10:45 PM
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Old 04-02-2019, 02:18 PM
MV1609 MV1609 is offline
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Thanks guys for all your input!!!!
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Old 04-02-2019, 02:19 PM
MV1609 MV1609 is offline
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Quote:
Originally Posted by Yukoner View Post
The N20 timing chain issue (pre-2014, from my understanding) is a known issue, but it's not COMMONLY happening. You chances aren't in the realm of 50/50 or anything like that. I'm not saying don't get the chain and tensioner changed out, as that would certainly give you a good peace of mind, but I certainly wouldn't be sweating about it every night while going to sleep.
We checked.... Its loose so it's gotta be changed out.
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Old 04-03-2019, 04:50 PM
Yukoner Yukoner is offline
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We checked.... Its loose so it's gotta be changed out.
In that case, yes, absolutely.
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Old 04-04-2019, 10:00 AM
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Originally Posted by MV1609 View Post
We checked.... Its loose so it's gotta be changed out.
Don't be alarmed when you find that the new timing chain also is loose. It depends on exactly where the motor stopped at that particular start. I have checked mine many times; sometimes it feels loose, sometimes it does not.
If they also are replacing the TC tensioner, I would pay attention to which part number they put in. BMW has used at least three different TC tensioners in the N20 motor. Surely there is a reason for that, so I went ahead and changed the tensioner myself. I posted a DIY on the F26 subforum.

Knowledge is power.

PS: Congrats on your "steal."
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File Type: pdf N20 Timing Chain Tensioner changed.pdf (504.4 KB, 12 views)
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