signs of F30 N20/N26 timing chain issue, and OCI to the rescue? - Page 10 - Bimmerfest - BMW Forums



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The sixth generation BMW 3 Series Sedan F30/F31/F34 and the first first generation 4 Series Coupe F32/F33/F36. Get the latest 3 and 4 series pricing from our ordering and pricing guide sticky thread.

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  #226  
Old 01-24-2020, 03:10 PM
DadzBmerN20 DadzBmerN20 is offline
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Originally Posted by JoeyMcMahon666 View Post
2700-3500. xDrive would be closer to the 3500 from the quotes I received.


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Is that with parts + labor or labor only?. I know they have the TC kit, which sells for around under $500 ish, and like me i can take mine to an Indie BMW repair place and only pay for labor.
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  #227  
Old 01-24-2020, 03:44 PM
namelessman namelessman is online now
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Originally Posted by FredoinSF View Post
Anyone have info on part cost and labor hours involved in doing a preventive timing chain job?
My indy quoted $2000 ($500 TC kit + $1500 labor). Oil pump is extra $500 parts + labor.
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  #228  
Old 01-24-2020, 06:29 PM
TopQuark TopQuark is offline
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Originally Posted by namelessman View Post
My indy quoted $2000 ($500 TC kit + $1500 labor). Oil pump is extra $500 parts + labor.
Iím seeing about $1,000 to $1,500 for parts. Countershaft sprocket, for example, have to be replaced too, head gaskets, etc.

$2,000 for labor. Thatís reasonable. Which shop is that? Iím from South Bay Area.
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  #229  
Old 01-24-2020, 07:45 PM
FredoinSF FredoinSF is offline
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The prevention may be worth it compared to engine replacement.


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  #230  
Old 01-24-2020, 07:49 PM
namelessman namelessman is online now
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Originally Posted by TopQuark View Post
I'm seeing about $1,000 to $1,500 for parts. Countershaft sprocket, for example, have to be replaced too, head gaskets, etc.

$2,000 for labor. That's reasonable. Which shop is that? I'm from South Bay Area.
BMW's SIB does not call for countershaft, but valve cover gasket(not head gasket) and oil pan gasket + filter are included(and they do come with TC kit).
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  #231  
Old 01-28-2020, 08:17 PM
Palantir Palantir is offline
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Unfortunately no OCI to the rescue...
2013 328i, N26, 34k miles, no performance upgrades, never beat on, OCI 5k, all maintenance done way ahead of mileage/time, all work so far was performed by the dealer.
Developed the low whining noise recently. Chain had the characteristic shiny bits and appeared loose when wiggled through the oil filler. Tightness slightly improved after running the engine for a few minutes. Whining was mostly noted when in sport and slowing down dropping gear after gear. With music or audio book on it was almost imperceptible. Went in for diagnostics and got a $2800 estimate. The shop is using the attached SIB for doing the work plus adding a new valve cover gasket to the parts list. Estimated work time-2 days.
Thanks to this forum I know about the extended warranty so hopefully BMWNA foots the bill. Remains to be seen after I submit all the papers.
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  #232  
Old 01-29-2020, 04:20 PM
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Hmmm, I thought OCI at 5K miles would prolong or prevent TC issue. I never really liked BMWs OCI of 1 year or 15K for my MY. I averaged around 12K miles/year and after warranty I changed it to every 7K miles since I did my own oil change.

I hope BMW covers your TC replacement; such a critical part should not go bad this soon especially for a BMW.
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  #233  
Old 01-29-2020, 05:33 PM
namelessman namelessman is online now
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Originally Posted by Palantir View Post
Unfortunately no OCI to the rescue...
2013 328i, N26, 34k miles, no performance upgrades, never beat on, OCI 5k, all maintenance done way ahead of mileage/time, all work so far was performed by the dealer.
Developed the low whining noise recently. Chain had the characteristic shiny bits and appeared loose when wiggled through the oil filler. Tightness slightly improved after running the engine for a few minutes. Whining was mostly noted when in sport and slowing down dropping gear after gear. With music or audio book on it was almost imperceptible. Went in for diagnostics and got a $2800 estimate. The shop is using the attached SIB for doing the work plus adding a new valve cover gasket to the parts list. Estimated work time-2 days.
Thanks to this forum I know about the extended warranty so hopefully BMWNA foots the bill. Remains to be seen after I submit all the papers.
If your N20/N26 is still within 7 yrs/70k miles ELW, do bring it to dealer for diagnostics, or else ELW does not pay for repair done by non-dealer after ELW was issued(back in 2017?)

BTW SIB should include VCG and oil pan gasket already.

The diagnosis from the indy shop can help, but dealer tech/foreman needs to submit case to BMWNA with supporting evidence diagnosed by dealer.
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  #234  
Old 01-29-2020, 06:17 PM
Palantir Palantir is offline
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Nameless man are you sure? I did not find info like that at the website? It simply asks for a repair bill and proof of payment?
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  #235  
Old 01-29-2020, 08:01 PM
TopQuark TopQuark is offline
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Originally Posted by Palantir View Post
Unfortunately no OCI to the rescue...
2013 328i, N26, 34k miles, no performance upgrades, never beat on, OCI 5k, all maintenance done way ahead of mileage/time, all work so far was performed by the dealer.
Developed the low whining noise recently. Chain had the characteristic shiny bits and appeared loose when wiggled through the oil filler. Tightness slightly improved after running the engine for a few minutes. Whining was mostly noted when in sport and slowing down dropping gear after gear. With music or audio book on it was almost imperceptible. Went in for diagnostics and got a $2800 estimate. The shop is using the attached SIB for doing the work plus adding a new valve cover gasket to the parts list. Estimated work time-2 days.
Thanks to this forum I know about the extended warranty so hopefully BMWNA foots the bill. Remains to be seen after I submit all the papers.
Make sure they change the pump chain too. The whining is usually from pump chain.
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  #236  
Old 01-29-2020, 08:13 PM
Palantir Palantir is offline
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Make sure they change the pump chain too. The whining is usually from pump chain.[/QUOTE]

They are, thank you. Now the question is should I have gone to indi rather than straight to the dealer. Namelessman pointed a detail that I was unaware of. Also wondering if the ELW applies to original owner only...
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  #237  
Old 01-29-2020, 08:25 PM
namelessman namelessman is online now
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Originally Posted by Palantir View Post
Nameless man are you sure? I did not find info like that at the website? It simply asks for a repair bill and proof of payment?
Do call the number on bmw-rp.com to confirm if BMWNA will pay for non-dealer repair when the ELW is still in effect for your VIN.

Last edited by namelessman; 01-30-2020 at 12:26 AM.
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  #238  
Old 01-29-2020, 08:26 PM
namelessman namelessman is online now
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Originally Posted by Palantir View Post
Also wondering if the ELW applies to original owner only...
ELW is per VIN, so subsequent owners will be covered too.
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  #239  
Old 01-30-2020, 09:54 AM
FredoinSF FredoinSF is offline
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Originally Posted by Palantir View Post
Nameless man are you sure? I did not find info like that at the website? It simply asks for a repair bill and proof of payment?
Yes, the info is correct. Once you receive the letter informing you of the coverage by BMW, reimbursement outside of dealer network ends. There is info about that in the letter IIRC.

PS - If you go to any independent worth his salt, other than disgnosis fee, they should direct you to the dealer for work that is covered rather than take your money. They might even give you a talk track...
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Last edited by FredoinSF; 01-30-2020 at 09:56 AM.
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  #240  
Old 01-30-2020, 10:44 AM
namelessman namelessman is online now
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Originally Posted by FredoinSF View Post
PS - If you go to any independent worth his salt, other than disgnosis fee, they should direct you to the dealer for work that is covered rather than take your money. They might even give you a talk track...
Yes trusted local indies do exactly that.
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  #241  
Old 01-31-2020, 07:35 AM
imtjm imtjm is offline
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Originally Posted by FredoinSF View Post
Yes, the info is correct. Once you receive the letter informing you of the coverage by BMW, reimbursement outside of dealer network ends. There is info about that in the letter IIRC.

PS - If you go to any independent worth his salt, other than disgnosis fee, they should direct you to the dealer for work that is covered rather than take your money. They might even give you a talk track...
It's more than if you receive the letter informing ELW. If the ELW is publicly known/announced, then BMWNA will not reimburse non-dealership repairs.

Even if the indie is worth its salt, they may or may not have ELW info.

Last edited by imtjm; 01-31-2020 at 07:36 AM.
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  #242  
Old 01-31-2020, 10:49 AM
FredoinSF FredoinSF is offline
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It's more than if you receive the letter informing ELW. If the ELW is publicly known/announced, then BMWNA will not reimburse non-dealership repairs.

Even if the indie is worth its salt, they may or may not have ELW info.
Well, my independent from when I lived in the Oakland / Berkeley hills saved me some $$$ a couple of times before I knew how to look stuff up myself.
Once with the R53 Mini Cooper S, we had a check engine light caused by failed O2 sensor. He printed the info, sent me to the dealer. He did same for something on the E63 but I can't recall what the problem was. This was about ten years ago and I don't recall getting letters back then.

If they work on BMW's there is no excuse for them not to look it up by entering the VIN on the web site. That is public info. My opinion.
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  #243  
Old 01-31-2020, 11:13 AM
namelessman namelessman is online now
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Originally Posted by FredoinSF View Post
If they work on BMW's there is no excuse for them not to look it up by entering the VIN on the web site. That is public info. My opinion.
Makes sense, esp. words get out if indies do due diligence or not. That is how trust is built or broken.
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  #244  
Old 02-17-2020, 12:39 AM
[email protected] jcates455@gmail is offline
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n20 timimg chain

It doesn't happen on all n20 engines.
I have a 2013 328i with a n20 pushing 110k miles and it runs like a sewing machine.
its got a jb4 and I run it on stage one almost all the time . I drive pretty hard and do almost 240 miles five days a week .I change my oil at about 7500 miles ALWAYS.
Keep her lubed and she will keep you smiling
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  #245  
Old 02-17-2020, 01:27 AM
TopQuark TopQuark is offline
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Originally Posted by [email protected] View Post
It doesn't happen on all n20 engines.
I have a 2013 328i with a n20 pushing 110k miles and it runs like a sewing machine.
its got a jb4 and I run it on stage one almost all the time . I drive pretty hard and do almost 240 miles five days a week .I change my oil at about 7500 miles ALWAYS.
Keep her lubed and she will keep you smiling
Great to hear this. Pls continue to post your mileage as you pick up more.
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  #246  
Old 02-17-2020, 04:28 PM
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Originally Posted by Palantir View Post
Unfortunately no OCI to the rescue...
2013 328i, N26, 34k miles, no performance upgrades, never beat on, OCI 5k, all maintenance done way ahead of mileage/time, all work so far was performed by the dealer.
Developed the low whining noise recently. Chain had the characteristic shiny bits and appeared loose when wiggled through the oil filler. Tightness slightly improved after running the engine for a few minutes. Whining was mostly noted when in sport and slowing down dropping gear after gear. With music or audio book on it was almost imperceptible. Went in for diagnostics and got a $2800 estimate. The shop is using the attached SIB for doing the work plus adding a new valve cover gasket to the parts list. Estimated work time-2 days.
Thanks to this forum I know about the extended warranty so hopefully BMWNA foots the bill. Remains to be seen after I submit all the papers.
my n20 with 18ki miles;; one day the chain can be moved and he next it is very tight
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  #247  
Old 02-17-2020, 04:39 PM
TopQuark TopQuark is offline
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my n20 with 18ki miles;; one day the chain can be moved and he next it is very tight
That's normal. There is chain pullback depending how the gear was positioned.
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  #248  
Old 02-17-2020, 07:42 PM
[email protected] jcates455@gmail is offline
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Relax bro..
That's normal.The cam comes to rest between valve events and it may feel a smidge loose...perfectly normal.
Take it to dealer for next oil change and ask mechanic to listen to it. He can tell. It sounds like a gear drive or blower whine and gets louder if oil filler cap is removed.
Its a fine engine,,,award winning engine .Not most get it,,not half ,,not even a lot get it...its just very serious when it happens .That's why you hear about it so much.Its an interference engine meaning the pistons will contact the valves if the chain snaps or skips out of phase.....Most engines forien and domestic are the same now days..
I ask mechanic to listen to it at each dealer oil change and I have quite a bit of mechanical knowledge but the second opinion helps with sleep.
Relax and keep the tuning under 300 ft.lbs torque and you will be just fine.I have over 110k on mine and drive like a pregnant badger in traffic for 5 hrs a day without a hickupp
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