Quote:
Originally Posted by Georgeair
Agreed that the shifter isn't going to improve the gear synchros.....
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Correct, but a better tranny fluid should, at least according to Redline. Has anybody tried their oil??? Definitely worth a shot IMO. According to Redline, their best alternative is 'D4ATF', not 'MTL'. Here's what he said:
'The viscosity of the MTF-LT-2 (BMW's oil) is 37.7cSt @ 40°C and 7.4cSt @ 100°C, technically a 70W80. As you can see very close in viscosity and characteristics to the D4ATF, a 70W-80 GL-4.
An SAE 70W-80 gear oil, previously referred to also as a 75W-80 is a broad viscosity range, both the MTL and the D4ATF will satisfy the requirements. It then comes down to which most closely matches the actual viscosity and characteristics of the original, obviously the D4ATF in this instance. As I mentioned previously the MTL can be used and certainly is used in some of these late model BMW transmissions with good results, it is just a higher viscosity. It is used in the previous "no label" transmissions and before that in the earlier BMW transmissions where an 80W GL-4 gear oil is called for and the primary basis for the reference.'
For those having problems, it might be worth a try IMO. Hope this helps.