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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 11-24-2009, 11:20 AM   #21
e46bonestock
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thanks Steve,
I've contacted Tim @ germanparts.ca
I've order the kit and just got it delivered today. Tim's awesome. Will install this weekend along with a powersteering fluid flush.
I'm picking up the Mobil1 dexron VI tonight. I remember going to CDN Tire seeing the 1L, but do not recall if the 4.4L jug is available, it would be slightly cheaper, volume discount. Most likely will buy it at partsource, since I have a $10 off $40 for signing up for emails.
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Old 11-24-2009, 11:34 AM   #22
steve.325i
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Originally Posted by e46bonestock View Post
thanks Steve,
I've contacted Tim @ germanparts.ca
I've order the kit and just got it delivered today. Tim's awesome. Will install this weekend along with a powersteering fluid flush.
I'm picking up the Mobil1 dexron VI tonight. I remember going to CDN Tire seeing the 1L, but do not recall if the 4.4L jug is available, it would be slightly cheaper, volume discount. Most likely will buy it at partsource, since I have a $10 off $40 for signing up for emails.
Hi, I bought mine @ partsource for $7.99 a litre. I asked but they didn't have any 4.4L or 5L jugs. They do have some bulk stuf in 5 gal. pails - lol.

I'm glad it worked out.
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Old 11-24-2009, 02:23 PM   #23
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I have actually been doing the same, trying to track down where I can purchase the Texaco ETL 8072B fluid from for my 325xi, since I am extremely uncomfortable using anything other then factory fill fluids in any of the drive train components. As you have learned, this is not an easy task and I doubt I will be able to find factory fluids for the transfer case and front/rear differentials.

But looking at the Mobile Dexron-VI ATF spec sheet, it does not say anything about being compatible or a replacement for ETL 8072B. So my question is, does anyone know if there has been a technical bulletin or similar posted by BMW EXPLICITLY stating "Mobile Dexron-VI ATF is a direct replacement for Texaco ETL 8072B"?


Have you received your order yet? Are the 1 QT bottles of fluid BMW branded or is it a GM branded bottle? How much did you end up paying for your transmission fluid?

This is what I used as the documentation explicitly stated that it was a suitable for the ETL-8072B spec that I needed. Almost 15K on this fluid with a drain/refill mixed in there about 7K miles ago and couldnt be happier.


Link to Spec Sheet

Last edited by GCoop; 11-24-2009 at 02:27 PM.
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Old 11-25-2009, 12:47 AM   #24
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Castrol seems to group ETL-7045E & ETL-8072B. Hell, they cant even get the numbers right. The Bentley definitely seperates the two.

BMW LA2634, LT71141; Texaco ETL-7045-E, ETL-8027B, Shell M1375.4

I read an article online the other day that said there isnt any difference between any of them.

My local BMW dealer told me to use BMW Dexron III. Like they made it or something.

As per GM, all transmission since 2003 (i think - maybe 2002) use Dexron VI.


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Old 11-25-2009, 01:09 PM   #25
e46bonestock
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This is what I used as the documentation explicitly stated that it was a suitable for the ETL-8072B spec that I needed. Almost 15K on this fluid with a drain/refill mixed in there about 7K miles ago and couldnt be happier.


Link to Spec Sheet
I picked up 2 jugs of 5L Mobil1 dexron VI, $30 each. which makes it $6/L.
My tranny is made by GM, I'm happy to put in GM spec fluid.

safe enough
see thread below.

Hi everyone -

I just went through this with the authorized dealer. Part number for ETL 8072B was superseded in BMW part system and guess what, it is now Dexron VI. I originally ordered ETL 8072B but it never came in. So, my trusty part guy at the dealer checked part number again to find this.

This makes good sense as it is a GM transmission after all and I suspect ETL 8072B was nothing more than Dexron III variety, not even synthetic kind.

Now, when I replaced fluid at 67,000 miles, frankly fluid was in such a bad shape and now I understand why so many BMW auto box fails. Fluid was black (lost red coloration all together) and well past useful life. It was fortunate that I did not find any metal shavings, etc. I have absolutely no idea why BMW does not recommend a regular replacement - box manufacturer, GM, does.

I chose Valvoline Dexron VI as it is full synthetic and cheaper than Castrol (I use Mobil 1 wherever, whenever I can but Mobil's Dexron VI is a synthetic blend and Mobil 1 full synthetic ATF really should not be used for this box).

Difference it made was nothing short of stunning. Now box is ultra smooth and shift is super silky.

I did remove the pan but did not replace a filter - I ordered aftermarket filter to one of those BMW specialists. Compared to the OEM part, this replacement (German name, made domestically) was obviously sub-standard and even missing an extension to reach to the bottom of the pan as well as a support against the pan to hold it in place. I will order OEM filter to the dealer and redo this. When you drop a pan and refill, do a refill one extra time after engaging gear - this will allow more of oil trapped in torque converter to be replaced. First fill (after engaging gears) showed darkened fluid. Second fill gave much lighter (red) coloration.

Box holds 9 liters and first fill (pan drop) will initially allow only 4 liters of new fluid. Engage gears and top-off - this will introduce another 2 liters. Then drain and refill - 2.5 liters. So all together you will need 8.5 liters.

All I can say is that the difference is nothing short of amazing. If I knew, I would have done this every 25,000 miles or so.

Speaking of fluid, BMW's schedule for engine oil change is, mandated by the government to reduce ownership cost, way too lenient. I would change much more often. This manifested in clogged oil separator and stranded us one day. We have 2 911s. Porsche, likewise, changed oil change requirement to 20,000 miles - absolutely positively way too long and PCA adamantly recommend shorter oil change intervals.

I love German cars and we tend to follow manufacturers' recommendation/requirements little too strictly. They used to disclose more specifics, but now we get these mysterious ETL 8072B spec. And lifetime fluid that designed to last 50,000 miles, maybe. Whole point is monopolization of after-sale services, which is a huge cash flow to any manufacturers. We all know dealers make money from servicing, not from sales. BMW really wants to sell replacement auto box for $6,000 a pop, I take.

Anyhow, I hope this helps.



http://www.xoutpost.com/bmw-sav-foru...etl-8072b.html
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Old 11-27-2009, 05:56 PM   #26
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I chose Valvoline Dexron VI as it is full synthetic
This is a good point. Dexron VI specs do not require a full synthetic. If you read the labels carefully you will find that many brands are a synthetic blend. I also used Valvoline Dexron VI because it is a full synthetic. I paid $7.25 per quart at my local NAPA.

My local BMW dealer also recommended Dexron VI. They were selling CAM 2 Dexron VI (full synthetic).
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Old 11-30-2009, 05:46 AM   #27
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over the weekend, I've changed the ATF fluids and put in Mobil 1 dexron vi. I have 1/2 L left. fluid added, warmed engine and tranny to 30* and topped up again. It took a while before the tranny light turned off. Shifts are smooth, way smoother than before the ATF change. I couldn't replace the PS fluid, I think I'd have to open up and remove the PS pump. so I used a turkey baster and sucked out the old, and replaced with the new fluid in the reservoir. Probably will do that 5 more times over, every week. Anybody know how to completely drain the power steering fluid?

btw I replaced my rear brakes with EBC red stuff and put my winters on. The rears had textar when I bought the car, textars go fast. Much faster than the fronts. Forgot what the fronts are but. Installed my winters, got pirelli winter carving edge, 16". I prefer serious winter tires over high performance, which I find are not so good on deep snow.

getting back to the tranny, very smooth, I'll try and report back in a week how the tranny is doing. But would like some help or point the way for a PS fluid change DIY please.
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Old 12-07-2009, 03:49 PM   #28
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This past weekend I changed the transmission fluid & filter in my 2002 325xi (A5S390R transmission). At 110k miles, the fluid was definitely past its prime. It did not smell burnt, but it was black. I drained a little under 6 liters from the sump and replaced almost exactly that during the refill procedure.

I replaced the filter with the BMW OEM kit (p/n: 24117557070), which includes the transmission fluid filter, qty:20 M6x16 screws, and sump gasket.

For fluid, after extensive research on the Texaco ETL-8072B oil, I decided to use Mobil 1 Synthetic ATF. My reasoning for using this was simple, it specifically states on the data sheet that it is a suitable replacement for ETL-8072B and it is compatible with existing mineral ATF fluid. My only hesitation to using Dexron VI was that no dealer I talked to could produce a technical article that specifically stated "Dexron VI is a replacement for ETL-8072B". But I know fluids is a sensitive subject around here, so I'll leave it at that.

After having about ~100 miles on the new fluid, "the difference is nothing short of amazing" is an understatement. My car drives and shifts so smooth, it feels brand new. The only regret I have is not changing the fluid & filter sooner. I will be sure to report back once I have several thousand additional miles on the car.
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Old 12-07-2009, 07:59 PM   #29
steve.325i
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This past weekend I changed the transmission fluid & filter in my 2002 325xi (A5S390R transmission). At 110k miles, the fluid was definitely past its prime. It did not smell burnt, but it was black. I drained a little under 6 liters from the sump and replaced almost exactly that during the refill procedure.

I replaced the filter with the BMW OEM kit (p/n: 24117557070), which includes the transmission fluid filter, qty:20 M6x16 screws, and sump gasket.

For fluid, after extensive research on the Texaco ETL-8072B oil, I decided to use Mobil 1 Synthetic ATF. My reasoning for using this was simple, it specifically states on the data sheet that it is a suitable replacement for ETL-8072B and it is compatible with existing mineral ATF fluid. My only hesitation to using Dexron VI was that no dealer I talked to could produce a technical article that specifically stated "Dexron VI is a replacement for ETL-8072B". But I know fluids is a sensitive subject around here, so I'll leave it at that.

After having about ~100 miles on the new fluid, "the difference is nothing short of amazing" is an understatement. My car drives and shifts so smooth, it feels brand new. The only regret I have is not changing the fluid & filter sooner. I will be sure to report back once I have several thousand additional miles on the car.
Ok, I'm one of the guys who used the Mobil Dexron VI. I've got about 1000kms/600miles on it & I am still very happy ... so far. I really hope that doesn't change.

I did my flush/filter @ 113000kms/70000miles. I wasn't having any performance issues before, but the trans is shifting on silk now.

Again, I hope it stay that way for all of us !!!
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Old 03-29-2010, 09:13 PM   #30
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Speeddemon and others that used Dexron VI, how is you tranny doing and how many miles since you went to it?
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Old 03-29-2010, 09:20 PM   #31
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Speeddemon and others that used Dexron VI, how is you tranny doing and how many miles since you went to it?
I am just over 119000kms now & I have no issues. So that's 6000kms or roughly 4000 miles
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Old 04-09-2010, 08:29 AM   #32
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I've been considering doing the flush on my 04 330Xi, but my concern is that its @ 225,000km (140,000miles) and is still running original factory tranny fluid. Here's the issue, my local indie shop (the owner is a good friend of mine), highly recommends against touching the tranny fluid. In fact they stopped doing tranny flushes because of numerous issues they've had with customer cares not shifting into gears after a flush. On the other hand, the local Mr. Lube (where I go for my oil changes; do everything else on car, just hate changing oil) offered a tranny flush as a service the last time I went. Thinking maybe I take them up on the offer this time, let them do the flush and if theres any issues afterwards, they would be liable to fix..... They advertise that all their work is warranty approved. National chain..... I could get them to verify the fluid they intend to flush with and make sure its correct..... Thoughts? The concern is with the high milage on the car, could flushing do more harm than good?
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Old 04-09-2010, 09:20 AM   #33
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Old 04-09-2010, 10:28 AM   #34
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nachos23,
I did my my steptronic tranny oil change in nov09, the car drives really smooth. Still much smoother than before the oil change.
you should see the condition of the oil when you drain it. You'll know what I mean, and wondered why you didn't do it sooner.
I can't say much about the work of indy shops. The failure after changing oils I suspect are either due to crap in oil seals, when changed loosens up and reveals leaks and problems. Or mechanic doing the change is not doing it properly, maybe they didn't top up the fluid when the tranny is at 50*C. If not topped up, tranny might be low in fluid and can cause catostrophic damage.
When you look at the engine bay, you'll notice there's no dipstick for the tranny. The only dipstick you see is the engine oil. After draining tranny fluid, you need to refill, once initially full, plug it, start it up. You should have the car in 4 jack stands, put the car in manumatic mode, go thru the gears 1,2,3. you add a bit of gas so the speedo goes to 30-40 kph. It can help it pump. An infared thermometer is needed to check the temp of the tranny, before needing to top up the tranny fluid.
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Old 04-09-2010, 10:29 AM   #35
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you need to make sure which tranny you have, GM or ZF.
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Old 04-09-2010, 10:51 AM   #36
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you need to make sure which tranny you have, GM or ZF.
according to RealOEM I have the GM tranny (all Xi's do); part number A5S 390R. What I haven't checked is the oil tag on the tranny, but from I've read it appears that all the Xi's seem to be using same fluid...... My thought was that for the first time to get a local lube shop I use to do it, so if there's any issue it lies on them to correct (ie. blown tranny; not changing gears, etc.)..... After the first sucessful, I would do it every 50,000 myself. Just don't want to do job myself and have tranny die.... I do ALL the other jobs on my car, from water pump, alternator, valve cover gaskets, blower removal, full suspension upgrade, so not affraid of working on the car, jst concerned about possible problems that might arise changing fluid with SOOO many miles on it....
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Old 04-09-2010, 10:17 PM   #37
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according to RealOEM I have the GM tranny (all Xi's do); part number A5S 390R. What I haven't checked is the oil tag on the tranny, but from I've read it appears that all the Xi's seem to be using same fluid...... My thought was that for the first time to get a local lube shop I use to do it, so if there's any issue it lies on them to correct (ie. blown tranny; not changing gears, etc.)..... After the first sucessful, I would do it every 50,000 myself. Just don't want to do job myself and have tranny die.... I do ALL the other jobs on my car, from water pump, alternator, valve cover gaskets, blower removal, full suspension upgrade, so not affraid of working on the car, jst concerned about possible problems that might arise changing fluid with SOOO many miles on it....
I don't know where I read it - I did a lot of readng before I did my flush - but yeah, the concessus seems to be that if milage is as high as your then you should just leave it. I don't know. I don't have my own opinion really.

As far as diy's go tranny's are not on my favourite list - they seem to drip forever - BUT this is the third one that I have done (first one on a bmw) and it is the first time that I got a 100% seal.

Last note - I wasn't convinced what tranny I had until I read the label, but I had the A5S 390R as well.
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Old 04-28-2010, 02:09 PM   #38
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This past weekend I changed the transmission fluid & filter in my 2002 325xi (A5S390R transmission). At 110k miles, the fluid was definitely past its prime. It did not smell burnt, but it was black. I drained a little under 6 liters from the sump and replaced almost exactly that during the refill procedure.

I replaced the filter with the BMW OEM kit (p/n: 24117557070), which includes the transmission fluid filter, qty:20 M6x16 screws, and sump gasket.

For fluid, after extensive research on the Texaco ETL-8072B oil, I decided to use Mobil 1 Synthetic ATF. My reasoning for using this was simple, it specifically states on the data sheet that it is a suitable replacement for ETL-8072B and it is compatible with existing mineral ATF fluid. My only hesitation to using Dexron VI was that no dealer I talked to could produce a technical article that specifically stated "Dexron VI is a replacement for ETL-8072B". But I know fluids is a sensitive subject around here, so I'll leave it at that.

After having about ~100 miles on the new fluid, "the difference is nothing short of amazing" is an understatement. My car drives and shifts so smooth, it feels brand new. The only regret I have is not changing the fluid & filter sooner. I will be sure to report back once I have several thousand additional miles on the car.
Just wanted to give a quick update. I am currently at ~123,xxx miles. I've put on ~13k since my transmission fluid change with the Mobile 1 Synthetic AFT and everything is running great (knock on wood). The transmission still shifts like it did after I did the change.

-John
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Old 05-02-2010, 07:53 AM   #39
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Is there a noticeable difference between the shiftings from a dexron III Oil to Dexron VI (Valvoline or Mobil 1) ?

OT:

Does anyone else has the problem, that the A5S390R will pull the converter bypass @ 60 mph (100 km/h) in? if i press down the throttle (no kickdown) the egs pulls the bypass in. My M54B30 is running @ 2000 RPM / 60 mph...
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Old 05-05-2010, 10:36 AM   #40
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