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      03-17-2019, 05:45 AM   #1
MarcoZandrini
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Factory 6MT lube or...

...Redline. Iím tracking my car at VIR at the end of the month. Iíll be changing the oil and filter and flushing the brake fluid. I have 2 quarts of the factory gear lube ready to dump in the box. However, after reading another post about issues with the 6MT, Iím wondering if I should try a Redline fluid.
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      03-17-2019, 09:27 PM   #2
kthor703
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What issues? Got a link to a thread?

I think you should be fine. Are you competing or HPDE?
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      03-18-2019, 09:29 AM   #3
MarcoZandrini
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HDPE with the Tarheel chapter at VIR. No issues but I was reading about owners with 2nd gear synchro issues. BMW has replaced a number of 6MT transmissions because of this issue. I guess Iíll stick with the factory (dealer) lube. Stuff ainít cheeep.
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      03-18-2019, 06:34 PM   #4
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my shop went with pentosin for the fluid change. They said its thicker so I might notice a slight decline in mpg but should provide better protection. It's been good so far!
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      03-19-2019, 03:59 PM   #5
Pray for Mojo
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Local shop put same weight BG Synchroshift in mine and it was horrible going into first when cold. Went back to OE oil and it shifts smooth again. I would stick with the BMW stuff.
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      04-25-2019, 06:41 AM   #6
SteveInfante
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Quote:
Originally Posted by MarcoZandrini View Post
HDPE with the Tarheel chapter at VIR. No issues but I was reading about owners with 2nd gear synchro issues. BMW has replaced a number of 6MT transmissions because of this issue. I guess I’ll stick with the factory (dealer) lube. Stuff ain’t cheeep.
I used RL DT4 when I did it. This was after the recommendation by Chad Moorehead from MSW who is local to me. He builds a ton of the top cars for the SpecE46 series. Shifts were much improved after.
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      04-25-2019, 07:48 AM   #7
ScottSinger
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Quote:
Originally Posted by Pray for Mojo View Post
Local shop put same weight BG Synchroshift in mine and it was horrible going into first when cold. Went back to OE oil and it shifts smooth again. I would stick with the BMW stuff.
BG scares me. The incentives program they have/had for techs to dispense that stuff.
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