|
|
|
09-10-2014, 06:49 AM | #243 |
Lieutenant
30
Rep 408
Posts |
To add credence to this, I recently changed the diff oil on my Quaife, probably around a year or less after it was fitted. There was loads of metal in the form of a metallic paste on my magnetic drain plug. The distributor said not to bother changing it so soon, but I'm glad I did, and glad I had the magnetic plug, too. Otherwise all that crap would've been washing over the diff. Changed it again about a month later (this last Sunday) and there was barely anything on the plug, confirming that there is a decent amount of wear metals produced during break-in.
|
Appreciate
1
|
09-10-2014, 11:52 AM | #244 | |
Banned
8
Rep 195
Posts |
Huh?
Quote:
I have yet to hear of any engine failing due to following the mfg recommended schedule. Most of the stuff mentioned in this thread regarding intervals is pure nonsense not supported by any auto maker or scientific evidence. In fact, studies support the idea of extended oil changes. Urban legends, old wives tales, the grizzled geezer, oil forums, or whoever has been spreading this rubbish around for years. All of these oil changes are at best described as anal and a waste of precious resources. |
|
Appreciate
0
|
09-10-2014, 11:55 AM | #245 |
European Editor
10757
Rep 22,992
Posts |
^^Well... some of us also wash(and wax) our car's more than other people do. I suppose that is also wasting our natural resources.
__________________
|
Appreciate
0
|
09-10-2014, 12:18 PM | #246 |
Lieutenant
30
Rep 408
Posts |
Here in the UK the service schedule is 2 years or every 20k miles. We have the same engines and same oils as you guys...
Show me a link to the study that shows less or equal wear from extended OCIs and I'll believe you. Common sense says cleaner oil works better. |
Appreciate
1
|
09-10-2014, 01:19 PM | #247 |
Brigadier General
373
Rep 3,550
Posts |
I like to look at the "Bob is the Oil guy" for information on lubrication. There is a section of the forum where people report oil test results. I checked it briefly right before typing this reply. I don't see anything that would say 20K miles is OK. 10-15K miles if the duty is low and the oil is really good seems to be the highest. If you push the car harder, the interval before the additives are gone decreases. Once the additives are depleted the ability of the oil to suspend the "dirt" in it goes away (so sludge develops) and the ability to vary thickness with temperature may go away (possibly decreasing lubrication).
Running oil twice as long as you won't cause instant failure at least in most cases. It will increase wear, however, leading to an early rebuild. If you are leasing or plan to trade the vehicle in a few years, you may not care. I plan to have my bimmer awhile so I will waste some oil and change it plenty often. I change at 5K miles. I also drive a SUV so it takes me more than 6 months to accumulate 5K miles. I will admit this is overkill, I could probably safely change annually, around 7500 miles, but I'd rather waste oil than waste my bimmer's engine.
__________________
128i Convertible, MT, Alpine White, Black Top, Taupe Leatherette, Walnut, Sport
Ordered 5/22/09, Completed 6/4/09, At Port 6/9/09, On the Georgia Highway 6/13/09, Ship Arrived Charleston 6/24/09 at 10pm, PCD 7/21/09 |
Appreciate
0
|
09-10-2014, 01:40 PM | #248 | |
European Editor
10757
Rep 22,992
Posts |
Quote:
With engine oil cheap in the states and the very hot temps you see there in the summertime, I would change my oil often. The more often the better.
__________________
|
|
Appreciate
0
|
09-10-2014, 03:38 PM | #249 |
Lieutenant
30
Rep 408
Posts |
Yeah, I do mine twice a year. For this engine that seems best. I think BMW just tell you to do whatever suits them best. If they had loads of dealers with not enough service work then I'm sure the OCIs would suddenly become more frequent. As it is, the dealers seem to be really busy, so they get you to service the car half as often and just charge you three times as much. Why should they care - as long as your car makes it out of warranty without breaking down then they don't care.
|
Appreciate
0
|
09-11-2014, 06:17 AM | #250 | |
Major
190
Rep 1,026
Posts |
Quote:
And what scientific evidence have you presented to support your position? So far all I see is heresay. |
|
Appreciate
0
|
09-11-2014, 08:24 AM | #251 |
Lieutenant
30
Rep 408
Posts |
Exactly. Doesn't need a scientific study to work out that clean oil results in less wear than oil with metal particles in it though.
I agree that my car is unlikely to break down due to extended drain intervals, at least in the time that I'll own it for, but that's not really the point here. If you want to maintain your car just enough to keep it from breaking down, then you're probably on the wrong forum. Another example is spark plugs. They don't technically need replacing until the car starts misfiring - the car will still run if they're old. However, I won't be leaving mine in that long and replacing them individually as they fail. |
Appreciate
0
|
09-13-2014, 03:42 PM | #252 |
Private First Class
9
Rep 150
Posts |
I will be refilling my diff an trans fluids soon and would like to hear updates on people that have been running ATF for a while now.
Also what was the conclusion on D4 vs D6? Redline website recommends D6 for my car yet ecstuning says D4. I'd say redline knows better but D6 is also harder to come by it seems |
Appreciate
0
|
09-13-2014, 03:56 PM | #253 |
Lieutenant
30
Rep 408
Posts |
I went for the MTL, personally. The auto transfer fluids don't really have the best lubrication properties for a manual transmission, IMO.
I used Fuchs Titan diff fluid, as recommended by Quaife for my diff. It would work equally as well for the OEM open diff. |
Appreciate
0
|
09-13-2014, 04:26 PM | #254 |
Private First Class
9
Rep 150
Posts |
thanks russ
from what ive read bmw's fluid viscosity is closer to D4 and considering the climate here in Seattle and my short commutes I think ATF will suit me better. maybe? Per RL's website D6 is even lower viscosity but 'most shear-stable' and 'Also satisfies API 70W/75W/80W and GL-4 gear oil requirements' hmmm very convincing! |
Appreciate
0
|
09-13-2014, 04:29 PM | #255 | |
European Editor
10757
Rep 22,992
Posts |
Quote:
__________________
|
|
Appreciate
0
|
09-13-2014, 04:58 PM | #256 | |
Lieutenant
30
Rep 408
Posts |
Quote:
My transmission feels much better with MTL than the thinner fluid that was already in it and the thin Pentosin MTF that I ran for a year. I'm in the chilly UK as well. In all fairness, I'm sure any of the three fluids would be fine though. |
|
Appreciate
0
|
09-13-2014, 07:40 PM | #257 |
Private First Class
9
Rep 150
Posts |
Well looks like Im going with redline atf [d4 most likely] thank you russ and dackel!!
I just drove to 4 different auto parts stores and none had any red line products. lame! |
Appreciate
0
|
09-14-2014, 01:39 PM | #258 | |
European Editor
10757
Rep 22,992
Posts |
Quote:
Please let us know what you feel/think once you change your old oil. Good or Bad.
__________________
|
|
Appreciate
0
|
09-14-2014, 06:05 PM | #259 |
Major
190
Rep 1,026
Posts |
|
Appreciate
0
|
09-14-2014, 07:24 PM | #260 | |
Private First Class
9
Rep 150
Posts |
Quote:
I came from a small town and the local parts store there stocked it so I'm surprised napa, orreileys, pep boys, autozone don't. FCP Euro seems to have good prices and free shipping on orders over $50 tho |
|
Appreciate
0
|
09-14-2014, 08:29 PM | #261 |
Brigadier General
373
Rep 3,550
Posts |
I bought Red Line at JEGS.
__________________
128i Convertible, MT, Alpine White, Black Top, Taupe Leatherette, Walnut, Sport
Ordered 5/22/09, Completed 6/4/09, At Port 6/9/09, On the Georgia Highway 6/13/09, Ship Arrived Charleston 6/24/09 at 10pm, PCD 7/21/09 |
Appreciate
0
|
11-26-2014, 12:37 PM | #262 | |
Private First Class
29
Rep 135
Posts |
Quote:
http://www.bavauto.com/lview.asp?img...7077_IMG01.jpg Use this high quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials and any other assemblies when changing the fluids. For draining differentials we recommed using the Bavarian Autosport adapter part # B3300000. Part Number Description Price Qty. CTA7077 Fluid Transfer Pump - 1-1/2 liters - CTA Tools |
|
Appreciate
0
|
11-26-2014, 03:24 PM | #263 | |
European Editor
10757
Rep 22,992
Posts |
Quote:
Dackel
__________________
|
|
Appreciate
0
|
03-26-2015, 02:44 PM | #264 |
Private
4
Rep 55
Posts |
So I've run D4-ATF in my 6MT 128i for about two years now. I think I've put about 20K KM's so far with the D4. I loved the feel of the D4 after initial change and it's been giving me consistently smooth shifts. I used to have a problem getting into first gear with the original fluid that BMW put in the car. Ever since moving to the D4-ATF, I never had that problem come back.
Now, after a couple years of running this fluid, it seems my 1st to 2nd shifts are getting tougher and requires a bit of strength to go into gear. I'm feeling slight degradation in shift quality between 2nd and 3rd as well. Is it too soon to change out the transmission fluid again? Or should I do it since it seems the fluid has degraded. |
Appreciate
0
|
Post Reply |
Bookmarks |
|
|