View Poll Results: Did you experience timing chain failure on your N20 engine? | |||
Yes, my timing chain failed or required replacement. | 33 | 14.47% | |
No, I have not experienced timing chain failure. | 187 | 82.02% | |
I replaced my timing chain as a preventative measure. | 8 | 3.51% | |
Voters: 228. You may not vote on this poll |
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07-16-2019, 09:25 PM | #90 |
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@JoeyMcMahon101
I do agree that flashing a tune would increase the likelihood of chain failure because of increased stress on potentially faulty parts but that being said... There are a ton of us, myself included- who are running Bootmod3 without any issues (knock on wood, three times). I also believe that a proper flash tune is much safer and less likely to damage motor than a piggyback type tune. Only time will tell. I'm at 73k currently with no issues. Ain't going anywhere and will be sure to report to the group if I encounter any problems going forward. Going to be keeping my F30 for 200k miles plus no matter what happens. Unless I get T-Boned of course. |
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07-17-2019, 08:15 AM | #91 | |
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07-17-2019, 09:01 AM | #92 |
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Model: 2013 F30 328ix, 3/2013 build date
Mileage: 76k Timing Chain Status: No problems (can confirm old guide type) Oil Changes: 10k intervals since 55k (last owner) Stop/Start Coded Status: Coded off since 55k (last owner) |
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07-17-2019, 02:07 PM | #93 | |
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07-17-2019, 02:22 PM | #94 | ||||
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07-17-2019, 03:02 PM | #96 |
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Maybe, maybe not. What we do know for sure is that the vast majority of reported timing chain failures happened with bone stock engines, so one can't say that tuning will have an impact, just that it might. Or it might not.
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07-21-2019, 04:31 PM | #97 |
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Model: MY2012 528i. Mar 2012 build date.
Mileage: 81k miles Timing Chain Status: No problems, no whining sound. Oil Changes: Every 5k miles since new Stop/Start Coded Status: Coded off at 75k miles Additional Details: The clip on one of the guides is crack, saw this by using a bore scope through the oil filler cap. Plan to replace just the guides. You can replace the guides by removing just the valve cover gasket. Picture posted is not the actual one on my car. |
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07-21-2019, 11:14 PM | #98 |
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Model: 2013 N20 328i
Made in South Africa on 11/13 I believe. No timing chain issues at 90k miles. Stage 2 for 10k miles, auto start/stop turned off each drive.
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07-22-2019, 12:28 PM | #99 |
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I have a 6/15 build with the n26. White internals. Safe to assume I should not need to worry about this? I've been doing 5k changes with BMW filter and Redline oil.
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07-26-2019, 10:58 PM | #100 |
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2012 328i. Noticed Engine whine at 78k. Out of warranty, but BMW covered about 75% of the costs as a goodwill repair. My net cost was $830. Phew. If BMw didn't help, this would have been enough to push me to switch to a different brand for my next car.
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07-26-2019, 11:52 PM | #102 | |
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this week my timing chain sound went up a notch, and i too am just over 71000 miles, havent bothered taking it into dealership since i dont take my car there to be serviced (DIY), so I'm sure they'd just say im fked. |
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07-28-2019, 12:17 AM | #103 | ||
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floridaorange10124.50 |
07-28-2019, 03:30 AM | #104 |
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I think a simpler question is why would it... The engine isn't spinning any faster, and the movement of the timing chain is of course based on engine speed. When the engine makes extra power via tuning, the timing chain "doesn't notice", if that makes sense. There could be something I'm missing, but I don't think that there is.
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07-28-2019, 05:18 AM | #105 |
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Tune would increase the boost thus increasing the torque. Higher torque would mean higher stress on the chain and guide. That’s the reason I bring the car in for chain replacement before bm3 tune. Also manage to resolve some minor issues such as thermostat failure and changing the turbo line with valve.
Personally it’s for peace of mind before putting more stress to the engine. |
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07-28-2019, 07:36 PM | #106 | |
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07-29-2019, 12:49 AM | #107 |
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To be honest, my 2013 has 99k miles... Has a small oil pump whine at initial start but once warmed up makes zero noise. I think the oil pump/chain failure is a thing but not everyone is going to experience it. Ive been tuned since 50k and have changed my oil every 6k with liqui moly using Ceratec every 20k miles and dont think my motor is going anywhere anytime soon. I know people are having issues ( proof is in the posts for sure ) but I think alot of it has to do with 15k initial oil change intervals. Ive been doing 6k since day 1 and outisde of that initial whine, once warmed up motor sounds perfect. Ive heard / read people even get that whine with a new pump/chain... No excuse we should not have that noise but I dont think everyone will grenade a motor over 100k. I think the forum posts are a small minority in the world of all the N20s
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07-29-2019, 07:43 AM | #108 |
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Cant agree with that.
Higher torque would mean higher stress on the parts where it is applied to: transmission, clutches, gears, diff, driveshaft... Chain just turns intake and exhaust camshafts, which have same resistance (torque need) regardless if the engine idles or produces 500 lb/f at that moment. |
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07-29-2019, 08:28 AM | #109 |
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Model: 2013 F10 528I AWD
Mileage: 59,069 miles Timing Chain Status: Failed at 57,983 Oil Changes: Only had it for 6 months. Interval change will be every (5k Miles) Stop/Start Coded Status: Bought it coded off Additional Comments: The attached pics below are the invoices I received after everything was done
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07-29-2019, 09:51 AM | #110 |
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You guys might be right on the tune doesn’t increase the risk on timing chain. But before tune, I bring the car in for timing chain change and luckily found out that my guide is broken in 2 separate place. At least now I’m comfortable to keep my car long term.
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