03-01-2016, 01:20 PM | #24 | |
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Last edited by aerostar; 03-01-2016 at 03:14 PM.. |
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03-01-2016, 01:46 PM | #25 | ||
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03-01-2016, 03:15 PM | #26 |
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Mis-read his post. High on cold medicine.
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03-01-2016, 09:47 PM | #27 |
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BMW added the Break In Procedure for a reason. That's why it's in the Owners Manual. For more detailed review regarding this topic, view the Manual in the iDrive System as it is explained more into detail.
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03-03-2016, 07:39 AM | #28 |
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I think the break in is more of a guideline and to please the people who speak a break in period.
If it was so crucial, BMW would log red lines in the first 1200 miles so they could void your warranty. I always baby it for the first 100 miles or so and then drive it like I stole it.
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03-03-2016, 10:11 AM | #30 | |
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03-03-2016, 11:39 AM | #31 | ||
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03-03-2016, 01:27 PM | #32 | |
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I believe before BMW would require 1200 mile services on all the cars but now only offer it for the M models. Whatever the reason, BMW realized it was a waste of money. If your theory was correct, break in would not be necessary for all non m models since they don't require a 1200 mile service.
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03-21-2016, 09:51 AM | #33 |
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If it voided my warranty, I would care more, but it doesn't.
If I were planning on keeping the car to 100,000+ miles, I would care more, but I won't. My buddy bought a brand new BMW S1000rr and it had an intake restrictor plate and factory installed rev limiter for the break in. My car doesn't have those things.
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08-23-2016, 09:05 PM | #34 | ||
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I follow Mike Miller's regimen on maintenance on all my vehicles. M or not
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08-24-2016, 02:47 PM | #36 |
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Look obviously BMW doing break-in service for the mass-market cars like the 3-series means they would be shelling out tons of $$$
Use yer brain.. the ramifications are likely long-term.. after the 4 YR warranty.. they dont care then. They can just make more on those robotic assembly lines as long as you shell out more $$$ The laws of physics havent been changed. Sure manufacturing tolerances have improved but variances will always be there.. theres alot of mating moving parts why do you think the S55 is broken in and the others are not? What S55 manufacture tolerances suck? What a 3series owner dont punish their cars? I punish all my cars.. and will baby them on maintenance. Rule: if you care about long-term ownership of yer car, err on the side of caution.. break-in your car 1000-1200mi.. yea I know its too much hassle and $$$ lol If you dont , drive it like you stole it.. big reason I'd never buy a used BMW about as crazy as "lifetime" transmission oil |
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08-29-2016, 03:42 PM | #37 |
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As an automotive engineer working for mass volume and premium manufacturers in their R&D department for the last 10 years and now working into the quality and warranty world and , TRUST ME, you should follow some break in procedure.
For Petrols: Max 4500rpm and no full load for the first 1500 miles Max 4500rpm with full load between 1500 and 2000 miles Max 5000rpm until 3000 miles Past 3000 miles JUST ENJOY and give it mechanical sympathy (i.e. no hard accels while everything is cold etc). For diesels, knock off 1500rpm OFF the above points We used a 50 hour break in procedure and with the average customer running at 30mph = 30*50 = 1500 miles surprise surprise! We ran this on engine and vehicle dynos and in a tight 2-4 year development plan, its not time you want to waste so by all those concerned IT WAS NEEDED. Dont think by doing a very narrow band of RPMs like sitting at 70mph/2000rpm for these miles will cut it, you need wide rpm range, wide fuelling range and temperature range to get the bedding in process we are looking to get. It is true, you could drive it like you stole it, and they will probably have to reimburse you but: 1. Would you get the same exact spec car again 2. Have to run a break in procedure this time 3. Prove you have an issue related to the break in 4. Deal wit the wait of any of the above 5. Whats a couple of months between years of happy usage End of the day you have to consider: very short term inconvenience, oil consumption fuel consumption odd behaviour (hesitation etc) and financial repercussions of any of the above Thanks, Istiaque |
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08-29-2016, 04:04 PM | #38 | |
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I'm interested why different loads, revs, speed etc are required as opposed to constant speeds. Could you give me an insight how this all works please? That is if it's possible without writing a book sized response |
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09-04-2016, 02:58 AM | #39 | |
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