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| 01-17-2014, 07:06 PM | #1 |
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Private First Class
 
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Transmission fluid options
Im sure theres a thread about this but i couldnt find it. I found that amsoil was an option for our cars but it wasnt on their website.
Amsoil 5w30 Manual Syncromesh Amsoil 75w90 MTF these will work in our transmissions? Amsoil is the best out there hands down but I wasn't aware they made anything for our cars. Has anybody ever tried either of them? |
| 01-18-2014, 09:53 AM | #2 |
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Mechanical Engineer
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Royal purple is the way to go, helps our notchy gear boxes. Its what everyone recommends. People (including myself) have also tried RedLine MTL/MT-30 and found it unsatisfactory in our cars.
Technically BMW recommends D4 ATF, but I can't recall anyone ever reporting using it. I'm thinking about trying RedLine D4 next time around. |
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| 01-18-2014, 11:55 AM | #3 |
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Private First Class
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I used royal purple. Wasnt a fan. Ive used amsoil in other cars with troublesome transmissions and it was a world of difference. Will those products listed work in our cars? Viscosity levels and what not?
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| 01-18-2014, 02:55 PM | #4 |
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Second Lieutenant
 
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I'm running Redline D4-ATF. This is Redline's recommendation. Can't address shift feel because I have SMG and use car mostly on track but it's been fine for about 5000 track miles and 2500 street miles.
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| 01-19-2014, 04:17 PM | #5 |
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Private First Class
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my question is tho, will those amsoil products work in our transmissions? I want to use the synchromesh fluid they offer but I don't want to fry my transmission in the process
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| 01-19-2014, 05:43 PM | #6 |
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Colonel
 
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I have been using RP SynchroMax since Aug of 2010 with no issue in the Coupe'.
25+ track events and for the most part, a daily driver... To my maintenance mind, with 30K on the fluid, it is time to change it. I have been an Amsoil user for the last 20 years but nothing in the Amsoil line stands out as being better in this application. |
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| 01-19-2014, 06:33 PM | #7 |
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M = Midlife Crisis
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RP here too - about 20 events. Not daily driver...
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2006 Z4MC - #LL93158
SS Race Cans, RE X Pipe, DKF Sec 1, Fabspeed Headers, OE STB, AS Shifter, Dave Z CDV, GC Coil Overs, Stoptech lines, Hawk DTC Pads, RE Clutch Stop, RE Transmission Mounts, Vibra-Technics Engine Mounts, Poly FCAB & RTAB, LeatherZ M Shift Boot, Tekarbon Rear Spoiler, CF Grills, Advan RS DGM |
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| 01-19-2014, 06:47 PM | #8 |
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Captain
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I changed to Amsoil 75w90 MTF April last year. No problem what so ever. I put about 7k miles since. I noticed the transmission is quieter and smoother especially with clutch out in neutral. Z3 have loyal folloing.
Last edited by RobMCoupe; 01-19-2014 at 07:10 PM.. |
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| 01-19-2014, 09:14 PM | #9 | |
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Private First Class
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| 01-19-2014, 10:16 PM | #10 |
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Captain
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I still get it when I drive carelessly. What I noticed is the grinding is due to not fully in gear when clutch was released. This is caused by slight resistance going to 2nd. I've learn to pause a bit when I feel slight resistance. This is my opinion.
I tried Redline a few years ago. It was smooth for about 15k and started to feel more effort needed to shift. Overall, I am happy with Amsoil so far. |
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| 01-19-2014, 10:40 PM | #11 |
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Private First Class
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Thanks for the insight, im going to a local indie shop tomorow to find out what the trans rebuild is going to run me. Ill ask him what he thinks of the synchromesh stuff. I really think itll help with the grind. If you look at civic si forums. Youll read they have the exact same problem in third as we do in 2nd. When i swapped to the amsoil stuff, it never happend again.
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| 01-20-2014, 05:13 PM | #12 |
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Captain
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I use a 50/50 blend of Red Line MTL and MT90 in my MC transmission. My car sees a lot of driving school track time so I want something a little more viscous than D4 or MTL.
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Jim Millet
2023 Hyundai IONIQ 6 SEL AWD Ultimate Red SOLD: 2007 BMW Z4 M Coupe Imola Red  |
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| 01-20-2014, 05:58 PM | #13 |
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Private First Class
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I appreciate the insight, i went to two indie shops today. Best price i got was 3200 for a rebuild and 4k for brand new. Both installed.
.......ouch |
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| 01-20-2014, 08:33 PM | #14 | |
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| 01-21-2014, 05:13 AM | #15 | |
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Colonel
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Why are you so worried about your transmission? |
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| 01-21-2014, 05:20 AM | #16 | ||
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| 01-21-2014, 03:01 PM | #17 | ||
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///M-fanatic
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  Sorry, that just played out pretty funny in my head  No offense or anything! |
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| 01-21-2014, 03:09 PM | #18 | |
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Colonel
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| 01-21-2014, 06:51 PM | #19 | |||
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