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BMW 3-Series (E90 E92) Forum
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I was told to get my first oil change at 15k?
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09-02-2011, 09:25 AM | #24 |
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BMW wouldn't recommend something unsafe for your car.
Driving normally (not tracking it, tons of cold weather driving, etc) ... I don't see the point of doing oil changes frequently.
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09-02-2011, 09:28 AM | #25 |
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Guys - are you seeing that much savings by going to independents over the dealer ?
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09-02-2011, 09:32 AM | #26 |
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That's best for you because you do them both at a 7,500 mile interval. If you wanted to do like 5,000 miles it means you would have to pay outta pocket twice before you got your BMW maintenance change, which would be dumb. 7,500 is completely normal man don't worry. It's synthetic oil so there no problem.
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09-02-2011, 09:37 AM | #27 | |
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09-02-2011, 10:13 AM | #28 | |
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In this case, the manufacturer knows best. There is no way to prove that early oil changes prolong the life of your car. |
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09-02-2011, 11:13 AM | #29 |
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Re the comment, "Welcome to 21st century engineering" (and no disrespect to Mike Miller) here are a couple of sources that indicate that extended drain intervals are perfectly ok, and that in the case of the initial drain of factory fill, you might want to stick with the oem's recommendation.
http://papers.sae.org/2007-01-4133 http://www.bobistheoilguy.com/used-oil-analysis/ The pertinent part of the BITOG article is - "Many modern engines have unique lubricants as their Factory fill and in some cases a special specification lubricant many be needed for the first 100k miles or so. This is for specific “bedding in” reasons and often depends on the engine’s design and certainly on its “wear face” metallurgy! People that chose to ignore the Manufacturer’s advice concerning the first oil change period and the lubricant to be used then are IMO quite foolhardy – especially if they intend to keep their vehicle for many years." The author, Doug Hilliary is well know to people on the BITOG oil forum. He is a professional lubricants engineer and has a special affinity for some of the oils used in BMWs having developed (when he worked for Castrol) Castrol RS 10w60, which became the Castrol TWS used in M cars. He works now for Exxon/Mobil. He regularly attends many of the races in Europe where he gets to meet and exchange information with colleagues and friends that work for the European auto mfrs and lubr mfrs. I tend to give his advice maybe more credence than opinions of others.
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09-02-2011, 11:20 AM | #30 |
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I do mine every 7.5K. Probably no need to do it but I do it anyway.
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09-02-2011, 12:45 PM | #32 | |
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The only time you should really drain the oil as opposed to letting it sit in the pan is if the car is gonna be kept in long term storage..and by long term I dont mean just months...i mean years..oil will sludge as it sits in the pan over extended time |
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09-02-2011, 12:48 PM | #33 |
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The point is that frequent oil changes will keep you engine cleaner and running healthier..if you want to believe BMW...then go w/ God
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09-02-2011, 12:52 PM | #34 | |
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You guys wanna be sheep and follow BMW rhoteric on servicing you car be my guest..those who want a car in top shape will know better...even if there is still some miles to go... its always better to change earlier rather than when its too late. |
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09-02-2011, 02:05 PM | #35 |
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Baaaaaah
Now you are dragging trans and diff fluids into the thread. When will the madness end? Here is a pic of my manual trans and diff fluid after 50k miles, diff looks pretty clean, trans I am going to change after another 25k miles: Trans and diff at 50k miles Last edited by Glim; 09-02-2011 at 02:12 PM.. |
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09-02-2011, 02:08 PM | #36 |
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I brought that up to point out that its not Father knows best here..BMW lifetime fluids..15K oil changes..etc..cheap insurance and peace of mind to replace fluids..even if it "looks" clean.
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09-02-2011, 02:19 PM | #37 |
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I agree, it's cheap insurance, I'm giving you a hard time.
I am old school, I change my oil at 7000 miles, trans and diff at 50k, brake and PS yearly and coolant at 3yrs. |
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09-03-2011, 12:32 AM | #38 |
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Get back to me after you've managed 500k with these ludicrous intervals then we'll chat.
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09-03-2011, 12:39 AM | #39 |
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09-03-2011, 07:20 AM | #41 | |
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Do you think that some of the other expensive (non-routine maintenace) parts of the car may have failed by then? At what point would you consider the car not economically to repair? At 500,000 miles, even a wheel bearing replacement would render the car not economical to repair. Cars do not last forever. I kept my '89 E30 to 260,000 miles. It took 18 years to get to that mileage. By the time 18 years went by my life style had changed and transportation needs changed, and although the E30 is a classic BMW, it was time for a change. I've not added it up to the penny, but I probably spent upwards near $18,000 in maintenance and repair costs - and I do all my own work; so double that for someone who has a shop maintain their car. As far as the E9x, the owner's manual says to change the diff and trans fluid at 100,000 miles. I've followed the BMW maintenance schedule for my car, which has just passed over 153,000 in 5 years and 4 months (oil changes every 17,500 miles on average, and one round of diff and trans fluid changes, and coolant at 98,000). The parts that have failed so far are: A/C compressor, thermostat, and water pump (the drivers seat needs some reconditioning now and the paint on the center console where the sealtbelt buckle rubs is has worn off). I run my car almost 40,000 miles a year, so I'll rack up 250,000 in 8 years. By that time I'll be looking forward to a new car. My E90 will be worth probably $1,500 - $2,000, so even a minor issue will make the car not worth repairing. If the motor dies at 250,000 (which it probably won't - hopefully the VANOS and Valvetronic systems go that long) I'll have "lost" at most $2,000. If I changed the oil at half the 17,000 mile interval (thinking it will help the engine last longer) it would cost me an additional $1,100 in oil maintenance cost. For someone who pays for a shop to change their oil, the number is more like $1,800, so at best it is a break-even proposition. Investing that $1,800 over 8 years is a much better use of that money. So throwing in a life span of 500,000 miles is just a ridiculous argument. No car is worth keeping for 500,000 miles. |
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09-03-2011, 10:42 AM | #42 | |
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Do I believe it? I change plugs when there is evidence they need changing and since my '99 328i was running very strongly on the OEM plugs at 97,000 miles, they remained in the car. Tom |
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09-03-2011, 02:23 PM | #43 |
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The great unknown, maintenance, time and money.
We do not know if changing fluids early is prolonging the life of the part, I believe it does, so I am willing to do it. If your car is paid off, and if early changes cost $2,000 over the life of the car and this has prolonged it's use by 12 months, how much in car payments has that saved you? |
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09-03-2011, 02:31 PM | #44 | |
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