01-14-2019, 07:26 AM | #133 | |
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The RVS is not a regular oil additive because it's actually forming a ceramic coating to bearings. I think it's similar to LiquidMoly's Ceratec if you have heard of it? But anyway I tend to agree you that oil additive is not enough to prevent the issue discussed here. But maybe in addition to regular maintenance it could help something. So I'm not saying that you just put some additive in and then you can red line it when cold and do 20k miles without changing your oil There is actually a recent thread here discussing the said additives: https://f30.bimmerpost.com/forums/sh....php?t=1470625 The conclusion seems to be that it reduces fuel consumption a little. |
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01-14-2019, 08:28 AM | #134 | ||
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02-07-2019, 05:09 PM | #135 |
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Bit of an update. I'm going to try to fix the light scoring on intake and exhaust cam bearings. However, for now I have put the car into storage as I got a great deal on a Cadillac ATSV 6 spd Manual with a small flame damage. I will work on that first then put
the N20 engine together and see if everything works. I would imagine most N20 engines would show some cam bearing scoring especially if running on the stop and go. |
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02-07-2019, 05:47 PM | #136 | |
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How do you go about fixing scoring on the bearings without just replacing them?
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02-27-2019, 02:51 PM | #137 |
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I have and 2013 F25 N20 and had my timing chain guide fail this week at approximately 60K miles. BMW have kindly stepped up and are fixing everything under the extended warranty. Thank you BMW NA. They did not question anything, just advised me they would not be charging me anything to replace the timing chain, guide and oil pump. I have a friend with a 2016 F25 N20, they are wondering if they are in the same boat or is there vehicle after the design change. Any idea?
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02-27-2019, 05:38 PM | #138 | |
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02-27-2019, 06:09 PM | #139 |
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I am taking mine in next week to hopefully get mine replaced under warranty. It has been whining for a months now. Not really loud so I hope they hear it enough to replaced it.
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02-27-2019, 06:59 PM | #140 |
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bmw Bellevue? Thats where I tried to get mine changed under warranty and was told its "turbo" sounds like im some dumbass.
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02-27-2019, 07:46 PM | #141 |
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No Seattle. I have a pretty good relationship with my SA so I am hoping they will hear something and help me out. They replaced my steering rack due to a clunk in the steering that was close to 3g.
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03-06-2019, 06:41 PM | #142 |
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My car has been at the dealer for 2 days now with no word back about the noise that I believe to be the timing chain issue and also an oil leak.
My hope is they are waiting to hear back from BMW so they can start the work under my CPO/ extended warranty for the chain. |
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03-07-2019, 02:17 AM | #143 | |
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03-07-2019, 07:17 AM | #144 |
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04-17-2019, 05:50 PM | #146 |
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04-18-2019, 03:46 PM | #147 | |
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Just as FYI ... it seems that BMW Canada has also extended the timing chain warranty. I emailed BMW Canada and below is their response:
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06-18-2019, 01:49 PM | #148 |
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2013 N20. 82k miles. Heard whine and took into dealership. Called BMW NA and they paid 50% despite being out of warranty. Always worth a call.
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06-25-2019, 01:53 PM | #149 | |
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07-22-2019, 02:03 AM | #151 | |
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I always turn off the ASS function, engine oil every 8-10k km based on the cbs. Making sure properly warm up before driving it hard. Production date 12/2014 |
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07-22-2019, 07:34 PM | #152 | |
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07-25-2019, 12:59 PM | #153 |
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Some of the comments on this video are worth checking out
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08-01-2019, 02:38 PM | #154 |
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I just came across this:
https://www.bmwblog.com/2013/09/29/b...20-n26-engine/ Wonder what happened? BMW informed NHTSA of initiating a recall but I haven't read anywhere where they actually issued one... hmm
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