04-05-2019, 09:28 PM | #1 |
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Bmw M2 service intervals
Has anyone found the M2 service intervals? I've been looking around but all I have found are the inspection 1 and 2 guidelines, nothing about the diff fluid or transmission fluids or m2 specific info.
Does ISTA tell you service required everytime you plug into your car based on elapsed miles or is this something we have to keep an eye on ourselves?
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04-06-2019, 03:35 AM | #2 |
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The transmission has the Filled for Life stuff in it, so it won't need changing for a long time (and certainly not every 2 years as you might have needed to do in the past).
Otherwise the car will tell you when it thinks it's due either on time or mileage, and then it's Inspection 1 or 2 depending on what you had last time. |
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04-06-2019, 04:23 AM | #3 | |
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Yeah that filled for life stuff is completely wack and probably not a good idea for track use. I wish there was a service guide, maybe I'll just swap fluids for the tranny and diff when I do the diff inspection. The car doesn't say too much from what I'm aware of, just the extreme basics and the inspection 1 & 2 doesn't say too much about the diff or tranny either. I guess I'll just do everything periodically, say a couple of years.
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04-25-2019, 08:06 PM | #4 |
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I would suggest emailing Mike Miller, Rech Talk for Roundel magaxpzine and requesting his “Old-School Maintenance Manual”. I follow it religiously...it’s basically what BMW recommended for maintenance before maintenance was included free on new cars!
mikemillerroundelmag@drivewheels.hush.com |
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04-25-2019, 09:32 PM | #5 | |
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Do you have a copy of it via pdf? If so could you maybe send it to me so I don't have to email him? Also pre-service bmws were N/A and didn't have sophisticated electronic locking diffs like the new cars including the m2, so I'm wondering if this even applies to the m2.
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04-26-2019, 11:34 AM | #6 |
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It's probably worth noting that - if the customer was paying - BMW were happy to help generate work for their dealership workshops. So service it often using products that need changing regularly.
Now they are paying (at least in the US), they use longer-lasting products and change them less frequently. It's also worth noting that in the UK - where the customer is still paying - they specify the long lasting stuff and recommend 15k miles or two years for change intervals. Thats for road use only mind and the climate is less extreme (plus the fuel quality is better...) |
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04-26-2019, 02:58 PM | #7 | |
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04-26-2019, 03:04 PM | #8 | |
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If you have BMW Connect active your cell phone has the mileage or dates when all recommended service is due. I do agree that lifetime fluids are a joke. Once every two or three year to change the “lifetime fluids” is good. Note that the coolant fluid is never mentioned. 2-3 years is good for that fluid change also. |
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04-26-2019, 03:58 PM | #9 | |
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No 15k Is way too much synthetic or not, the whole reason why bmw engines fail so soon is because of the infrequent oil changes, especially when driven hard.
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04-26-2019, 04:14 PM | #10 | |
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04-26-2019, 05:05 PM | #11 |
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In the 1990s - also in the UK - the service intervals were 12 months/12k miles.
Most cars were not using fully synthetic engine oils either. Less powerful too mind. |
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04-26-2019, 05:25 PM | #12 |
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Yeah that's annoying.
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04-28-2019, 02:50 PM | #13 |
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If they don't need changing for 10 years in normal use, how so?
There are a bunch of marketing types with the mechanical understanding of a humanities student who need you to explain to them how something that is more than sufficient is not - so they can sell you more of the same at an increased margin... |
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05-04-2019, 01:11 PM | #14 | |
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Tell me, how does a life time fluid deal with increased metal content from wear and tear?
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05-04-2019, 03:57 PM | #15 |
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Ah - Confirmation Bias to the fore.
If you're ragging it on a track day there may well be reason to change the engine oil before and after, but that still won't be due to the fully synthetic oils involved breaking down. Plus, unless your filter is gash, none of that is getting pumped around the engine - it's all being safely collected in the sump. HTH |
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05-04-2019, 05:31 PM | #16 | |
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In regards to the engine oil you'll see increased fuel content from the combustion process and small bits of fuel making it past the piston rings which will degrade oil. Heat cycling to 270*F will degrade your synthetic oil. You do whatever you want, but if you take a look at every performance shop analyzing why bmws break down so much more frequently compared to other brands it is attributed to infrequent maintenance such as oil changes, fluid swaps, and using crappy parts like chinese oil filter elements.
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05-04-2019, 05:52 PM | #17 |
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They are still fully synthetic and not subject to contamination by combustion products so won't degrade at a significant rate. If you're subjecting the transmission to heavy use you want the fluid to trap the wear products and hence it's a good idea to change the fluid more frequently.
But otherwise in normal use they are good for more than the 2 years of a non Life Time Fill fluid. As I mentioned elsewhere, I changed the Life Time Fill fluid on my superannuated E46 at 150k miles and it made a significant difference to shift quality (the colour of the stuff that came out was soot black), but it was still working - and continues to do so some 5 years and 30k miles later using just regular MTF fluid changed every couple of years. Once more, HTH. |
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02-16-2020, 06:01 PM | #18 | |
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02-16-2020, 06:39 PM | #19 | |
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