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Old 01-06-2010, 08:44 AM   #1
cdb
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Cold Weather Tranny Issues

Gentlemen, looking for some viewpoints as to what could be causing the following to my 98 528i....Basically I am just recently finding that when my car is cold (which is every morning, since I park it outside on the driveway) I have major difficulties getting the car into gear (it is a 5sp manual). Getting into reverse is nearly impossible, causing me to jam and grind it into reverse. From there the gear changes, especially lower gears, are very stiff and challenging. At first I though I might have lost my clutch, but I do not think the clutch is the problem, as once in gear etc., the driving is just fine.

Any suggestions as to what could be the issue here?

Much appreciated.
Christian
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Old 01-06-2010, 09:43 AM   #2
mclovin
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I'd suggest changing out a tranny fluid.

After bmw lifetime fluid i went with Redline ATF D4. Warm weather shifts are much smoother but when the temps were below 10 i had a hard time engagining 1st. There r alot of good reviews about royal purple gear oil. I think my next tranny oil change will be bmw lifetime fluid without obviously keeping it in there for a lifetime.
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Old 01-06-2010, 10:28 AM   #3
MLue1
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I'd recommend changing the tranny fluid, maybe a gear oil like Redline or Royal Purple.

Quote:
Originally Posted by mclovin View Post
...After bmw lifetime fluid i went with Redline ATF D4. Warm weather shifts are much smoother but when the temps were below 10 i had a hard time engagining 1st. There r alot of good reviews about royal purple gear oil...
Wha...isn't ATF D4 automatic transmission fluid...you put ATF in a 5 speed manual tranny... that can't be right.
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Last edited by MLue1; 01-06-2010 at 10:31 AM. Reason: adding comment
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Old 01-06-2010, 11:13 AM   #4
parm
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Quote:
Originally Posted by cdb View Post
Gentlemen, looking for some viewpoints as to what could be causing the following to my 98 528i....Basically I am just recently finding that when my car is cold (which is every morning, since I park it outside on the driveway) I have major difficulties getting the car into gear (it is a 5sp manual). Getting into reverse is nearly impossible, causing me to jam and grind it into reverse. From there the gear changes, especially lower gears, are very stiff and challenging. At first I though I might have lost my clutch, but I do not think the clutch is the problem, as once in gear etc., the driving is just fine.

Any suggestions as to what could be the issue here?

Much appreciated.
Christian
If you want you can try an additive itís a friction modifier with fresh fluid, this could smooth out your tranny. If not the syncros could be worn and the cold weather just makes it hard to engage gears until it warms up then it would just be a little bit easier. As for ATF in a manual gear box this isnít anything new, also used in power steering as well. (My Father builds Transmission for BMW) 30 Years in the trade.
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Old 01-06-2010, 11:46 AM   #5
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Royal purple synchromax is really good but I can't find it anywhere local. Synchromesh is a popular one too and you can get that at GM dealerships I think.
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Old 01-06-2010, 12:45 PM   #6
Max_VQ
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Have I got a story for you...

In the period of 3 days I have tried:
(1) Redline MTL
(2) Royal Purple SyncroMax
(3) PENTOSIN "Lifetime Oil MTF-LT-2" (BMW OEM)

Redline MTL:
In my Maxima, I loved Redline MTL. My BMW doesn't like it very much. The shifts lost their nice "snick" into gear. It felt like I was hitting the syncro just as it went into gear. I hated shifting the car.

Royal Purple:
About 80% better than Redline. But the best was...

PENTOSIN "Lifetime Oil MTF-LT-2" This is designed for ZF manual transmissions. The shifting is now back to awesome. I purchased it from bimmerspecialist.com for $20 per liter in 2007, but I don't see it on their site now.

Link to US site that sells it: http://www.rmeuropean.com/Part-Numbe..._9BA48850.aspx

You should also change your diff oil. Any synthetic 75w90 will do. I used Redline 75w90.

Last edited by Max_VQ; 01-06-2010 at 12:48 PM.
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Old 01-06-2010, 02:45 PM   #7
parm
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I have to agree with Max, My Bmw current and ex. ones, always shifted best with (BMW OEM) tranny fluid compared to any other fulid on the market.
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Old 01-07-2010, 01:23 PM   #8
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Thanks for the help guys. Just had the tranny fluid changed and all is now well!
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Old 01-07-2010, 01:27 PM   #9
mclovin
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Which oil did u end up going with?
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Old 01-08-2010, 10:21 AM   #10
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OEM...Although interestingly enough my mechanic did show me that there is a sticker on the tranny underbody reading "lifetime oil. do not change."......
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Old 01-08-2010, 10:56 AM   #11
mclovin
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Yea that a lie.
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