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X3 F25 (2011 - 2017)
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  #1  
Old 07-08-2019, 11:59 AM
yawning yawning is offline
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New BMW owner - X3 general questions

Hi,

New to BMW, due to growing family wife and I just traded in our cars and I decided to get an X3 and am loving it so far. I've had a dealer look it over and give it the general thumbs up and have ordered new air filters (engine/cabin) as I usually replace those immediately after buying a car.

I asked the dealership for a maintenance schedule and the dealer said almost all maintenance work on the car is "as needed" and there is no schedule but I was wondering if you guys had any general tips or suggestions of things I should do now or soon to get the best service and life from the car.

2013 X3 - 55,000 miles.

I've read that the transmission fluid should be changed out at some point because BMW's lifetime transmission fluid is BS. When should I do that?

I managed to pull my FSC code and update to the 2019 maps, anything else worth updating?
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  #2  
Old 07-08-2019, 09:47 PM
SEANRGEE SEANRGEE is offline
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What model is it please?
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  #3  
Old 07-09-2019, 05:14 PM
yawning yawning is offline
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xDrive 28i
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  #4  
Old 07-09-2019, 09:15 PM
02420X3 02420X3 is offline
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OK, you should be aware of a problem with 2013 28i's and timing chains. The guides have been known to fail, and to destroy engines. BMW has extended the US Warranty to 70,000 miles, but I haven't read of similar extensions in other countries. Whether or not the problem is limited in scope or widespread is unclear. It is something which you may want to research.
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Old 07-11-2019, 11:06 AM
Nerdboss Nerdboss is online now
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Quote:
Originally Posted by yawning View Post
Hi,


I've read that the transmission fluid should be changed out at some point because BMW's lifetime transmission fluid is BS. When should I do that?

I managed to pull my FSC code and update to the 2019 maps, anything else worth updating?
Generally the transmission fluid is changed at 100k now for the ZF 8 speed.
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  #6  
Old 07-11-2019, 04:35 PM
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DBU DBU is offline
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Quote:
Originally Posted by 02420X3 View Post
OK, you should be aware of a problem with 2013 28i's and timing chains. The guides have been known to fail, and to destroy engines. BMW has extended the US Warranty to 70,000 miles, but I haven't read of similar extensions in other countries. Whether or not the problem is limited in scope or widespread is unclear. It is something which you may want to research.
To the OP and in the continuance of the quoted post, here are a few things to do/consider:
- Take the car to the dealer and give him the key. They can then tell you if your vehicle is covered by the extended warranty on the Timing Chain (TC)
- Open oil filler cap and visually observe the TC (with the engine stopped). Do you see any shiny marks on the top part of TC? (Hopefully not).
- Close oil filler cap and start engine. Have someone rev it up a few times. Is there a whining sound that increases with the RPM? (hopefully not).
- Do extensive searches on this forum and Google for something like "N20 TC failure."
- Do NOT use the Automatic Start/Stop (ASS) feature. Have it coded out or simply turn it off each time you drive the car.
- Consider changing the TC tensioner. BMW has used three different TC tensioners on the N20 engines. Having the latest couldn't hurt, could it? There is a DIY somewhere on this forum (I wrote it).
- Finally. if you see shiny marks or hear the whine, document it with video and plead your concern to the dealer. Even if they disallow it, it may come in handy later on if that proved to be wrong.

These engines have the valves going into the cylinder in a space sometimes occupied by the piston. Timing is critical, and if the TC fails the engine needs to be replaced.
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  #7  
Old 07-12-2019, 04:37 AM
scostuart scostuart is offline
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Here is the list of cars that have the 7/70 timing chain extension


https://bmwtechnician.com/2019/01/31...ain-7-70-list/
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Last edited by scostuart; 07-12-2019 at 04:39 AM.
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  #8  
Old 07-12-2019, 07:00 AM
hogwldfltr hogwldfltr is offline
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Quote:
Originally Posted by DBU View Post
To the OP and in the continuance of the quoted post, here are a few things to do/consider:
- Take the car to the dealer and give him the key. They can then tell you if your vehicle is covered by the extended warranty on the Timing Chain (TC)
- Open oil filler cap and visually observe the TC (with the engine stopped). Do you see any shiny marks on the top part of TC? (Hopefully not).
- Close oil filler cap and start engine. Have someone rev it up a few times. Is there a whining sound that increases with the RPM? (hopefully not).
- Do extensive searches on this forum and Google for something like "N20 TC failure."
- Do NOT use the Automatic Start/Stop (ASS) feature. Have it coded out or simply turn it off each time you drive the car.
- Consider changing the TC tensioner. BMW has used three different TC tensioners on the N20 engines. Having the latest couldn't hurt, could it? There is a DIY somewhere on this forum (I wrote it).
- Finally. if you see shiny marks or hear the whine, document it with video and plead your concern to the dealer. Even if they disallow it, it may come in handy later on if that proved to be wrong.

These engines have the valves going into the cylinder in a space sometimes occupied by the piston. Timing is critical, and if the TC fails the engine needs to be replaced.
Does this issue carry over to the N55 as well? Also if you know, if not, why not?
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  #9  
Old 07-12-2019, 09:34 AM
scostuart scostuart is offline
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Quote:
Originally Posted by hogwldfltr View Post
Does this issue carry over to the N55 as well? Also if you know, if not, why not?
No.

It is a N20/N26 problem.
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  #10  
Old Yesterday, 04:37 AM
Z4530i Z4530i is offline
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Transmission fluid interval

Quote:
Originally Posted by Nerdboss View Post
Generally the transmission fluid is changed at 100k now for the ZF 8 speed.
I did transmission and transfer case change at 80,000 miles (2012 x35); based on recommendation else in this forum.
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