View Full Version : First oil change- how many miles? Surely not 1000!

06-18-2005, 06:51 PM
My dealer has told me that I should do the first oil change, as stated by Infiniti, in 1000 miles.

I find this hard to believe. They claim it may help with my lousy mpg (17). I am currently at 1200 miles or so. Surely this can't be the case?

Oh, and don't call me Shirley.

06-18-2005, 08:31 PM
If the car is brand new i would definetly do an oil change in the first 1000 miles. Your barely breaking the engine in and any shavings or new engine gunk that may come out should be cleaned out by changing the oil. I dont think it will hurt your engine in a big way but i would definetly do it at 1000 or 1500 miles.

Theres just going to be more crap and junk that comes off the engine when its barely brand new. Its good maintenance and a good idea.

06-19-2005, 07:59 AM
It doesn't say in my manual that you must change the oil at 1,000 miles.

It used to be considered necesary to do this, to get rid of metal shavings, etc., generated from breakin. But today's machining tools and precision fitting (not to mention your oil filter) make this pretty much unnecessary.

Follow the owner's manual recommendations and you'll be good.

BTW, congratulations on your new M!

06-19-2005, 08:00 AM
Engine manufacturing isn't what it used to be. The old "shavings in the oil" thing simply isn't true anymore. With the tolerances these engines are built to, it simply can't happen unless there is something truely wrong with your engine.

There is certainly nothing wrong with changing your oil at 1000 miles, but the regularly scheduled 3750 miles is fine too, and you will do absolutely no harm to your engine.

06-30-2005, 09:27 PM
Actually, the 3750 interval is for "severe service," or whatever they call constant stop and go driving at low speeds. The "normal" interval is 7000. The dealer will tell you that 3750 is normal just to make some more $$. Check the manual.

07-01-2005, 01:30 PM
Most wear occurs in the first few miles. 500 is not too soon for the first change.

Urban driving is severe cycle. If you regualraly dash across country on the interstate at legal speeds, you can probably use the longer change interval.

07-01-2005, 03:35 PM
When in the manual does it mention 7000 miles?

07-01-2005, 04:15 PM
Most wear occurs in the first few miles. 500 is not too soon for the first change.

Well, I suppose 100 miles isn't too soon, but the point is it is not necessary. Some habits die hard, but seriously this is old, old information from engines built 20 years or more ago. Some manufacturers currently don't recommend changing the oil prior to 15,000 miles (synthetic, not regular oil). There are no "shavings" in the oil or other such issues anymore with modern manufacturing tolerances.

3750 miles is very conservative for our engines. Anything more frequent, while not harmful, is simply wasteful.

07-01-2005, 05:37 PM
Hey, mine was for free, so why not? (1.8k miles)

07-01-2005, 07:06 PM
Well, I think that when I get the car and have a 1000 miles on it, I will change the oil and put in Mobil 1 and it has done me well with my Audi..

07-01-2005, 07:24 PM
Hey, Mike, when's that dream machine gonna arrive?


07-01-2005, 09:27 PM
When in the manual does it mention 7000 miles?

it's in the service guide, which says that if you follow 'schedule 2', you only need to change the oil every 7500 miles. 'schedule 1' requires oil changes every 3750 miles. it also tells you that 'schedule 2' is only for cars that spend all their time on freeways, but i wouldn't take it too seriously. nobody drives 'all highway miles', that's just used-car salesman talk. 7500 seems reasonable for today's cars and syntethic oils under normal conditions.


07-01-2005, 09:59 PM
Hey, Mike, when's that dream machine gonna arrive?


Still waiting for that free dinner, aren't you <G> Got the VIN this week, Mark thinks around the 15th, if not, soon thereafter.

07-01-2005, 10:16 PM
Personally, I would change it at 1500mi, then again at 5k using Royal Purple or Redline. Those synthetics are simply awesome! The lab for Valvoline buys many of the aftermarket oils and the local Valvoline instant oil change stores buy Royal Purple from the local race shop to sell to the people demanding a high performance oil. So if Valvoline buys it, I'm sure it's a great product.