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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 05-13-2013, 08:53 AM
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CALWATERBOY CALWATERBOY is offline
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Hey you transmission flushers....

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Last edited by CALWATERBOY; 05-13-2013 at 08:55 AM.
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  #2  
Old 05-13-2013, 09:44 AM
Phil325i Phil325i is offline
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I assume this relates to AT not MT. I honestly do not believe that if you drain hot lubricant from an MT via the drain plug you will be left with "...10 quarts of fluid" still in the gearbox. That's nonsense.
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Old 05-13-2013, 09:45 AM
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DSXMachina DSXMachina is offline
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Cal, even those flushing machines don't do a perfect job. At one time I needed only two types of fluid in stock, Ford and Everything Else. Now I stock 11 different fluids and still don't have them all. Which brings us to the problem with the machines. They need to be primed with the correct oil, and when you're done they have to be drained and cleaned. Or else the fluid filling up the pump and the lines gets put into the trans. being serviced. Is it correct for the vehicle? Probably not...
Also, I got a bit of a chuckle from the guy's pricing. Some fluids I use cost over $20(!) a QUART. Put in 15 qts of that stuff and there's $300 just in fluid, now add labor and machine time. Lastly, some of my vendors want to sell me "universal" synthetics which would greatly reduce my parts cost and inventory. Never putting any of that in my customer's cars because I wouldn't use it in mine. Are some of the fast flush places using it? Draw your own conclusion. OEM only for my customers unless they specifically allow and name a substitute. Transmissions cost way too much money.
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Old 05-13-2013, 09:46 AM
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DSXMachina DSXMachina is offline
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Quote:
Originally Posted by Phil325i View Post
I assume this relates to AT not MT. I honestly do not believe that if you drain hot lubricant from an MT via the drain plug you will be left with "...10 quarts of fluid" still in the gearbox. That's nonsense.

Auto trans has most of the fluid in the torque converter. At one time tq converters had drain plugs like oil pans. No more.
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Old 05-13-2013, 05:37 PM
Leekay07 Leekay07 is online now
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"If you have a regular coolant flush you will never have to replace your water pump."

LOL what ever. My electronic water pumps going to fail if its changed every 30 days or once in 6 years.
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Old 05-13-2013, 05:59 PM
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CALWATERBOY CALWATERBOY is offline
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Guys & dolls, I make no claims re: accuracy or applicability of the afore-posted YouTube. Indeed, I expressly deny and refuse all objections, counter-claims, and/or expressions of outrage derivitive of same.

My post serves to illuminate but one point of view, and no endorsement from yours truly is expressed or implied.


Now. How's a guy gonna drain his Step without taking the durn thing out; tilting it?
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Old 05-13-2013, 11:07 PM
sptt144 sptt144 is offline
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I had removed and repaired my old '91 Merceds Benz Transmission via a forum contact's DIY site. The only thing wrong with the transmission were the reverse bands after 200K which, were easily replaceable and surprisingly cheap from MB. The torque converter was also drainable. I was very impressed with the German Engineering as I've been through numerous domestic transmissions in far less time. The consensus on that forum from mechanics and DIYers was NOT to do flushes on transmissions as it would force metal shavings and debris into the wrong areas despite receiving new fluid and still ruin the trans. I'm not sure about our trannys and waiting until they fail with the "lifetime" fluid which doesn't make much sense (all vehicle fluids eventually break down). If I was 80 years old, it might be a "lifetime" transmission but I'm not. I would rather drain it, drop the pan, and fill it, then do it again a few months later. At least the fluid would be mostly new and hopefully extend that "lifetime" fluid to a few more years. Best bet is to keep checking the fluid and make sure its nice and red with a sweet smell. Once it's burnt, you may be toast!

Last edited by sptt144; 05-13-2013 at 11:08 PM.
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