I’ve been using Valvoline full synthetic with a KN filter. Never had an issue
Reviews of VALVOLINE parts For Business
USA
Valvoline full synthetic with max life tech is my current favorite but I think I might be able to unseat him soon.
I went with Valvoline Xerex G40. BASF G40 is the equivalent of G12++. Valvoline/ZEREX G40 Euro Pink coolant meets this newest worldwide standard BASF G40 and German standard VW G12++ .
I personally use 5w50 valvoline fully synthetic racing oil for my r56 and change every 5000 km which is like around 3k miles and it's running good
For the money the best zinc content is valvoline vr1 CONVENTIONAL (not synthetic). It comes in a few flavors.
Brands I recommend are of course Toyota OEM Super Long Life coolant and surprisingly Walmart Asian Red Super Long Life coolant (actually comes out pink ) has never failed me and I offer that as an option to my customers. Then there is the Valvoline zerex Asian I don\u2019t highly recommend this coolant but it does work just not that well from my experience.
I use Valvoline 0W-20 full synthetic and an OEM filter.
I used to run the 10w-40 Valvoline high mileage synthetic blend from Walmart.
I just ordered 6 quarts of Valvoline VPS 75W-90. According to my oil test guy he claims its the #1 in shear strength currently.
I have two gallons of this I've used in my 2009 B6 Passat that is leaking coolant. I don't drive it much, just once in a while. I just don't have the funds to fix the leak, which is likely the water pump. This coolant works just fine for me!
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