Quote:
Originally Posted by ShocknAwe
Agree MTL is too thick but D4 too thin and prefer thick fluids.
Would be open to trying MTLV or motul MTL next pending feedback here.
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D4 is between MTL and MT-LV in terms of viscosity and is the Redline recommended fluid for the 128i. I've been runing MTL for years but I have D4 on order for my next change.
MTL: 75W80, VI 201, Vis @ 40°C, cSt 50.8, Vis @ 100°C, cSt 10.4
D4: 70W80, VI 188, Vis @ 40°C, cSt 35.4, Vis @ 100°C, cSt 7.5
MT-LV: 70W/75W, VI 175, Vis @ 40°C, cSt 30.6, Vis @ 100°C, cSt 6.5