If you wanted to try an additive I would recommend Red Line. I had a BMW with tank level issues and it corrected it
Pros: corrected tank level issues
Vehicle:
BMW
Reviews of RED LINE parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
4.4
Manufacturer Ranking
#21
125
Spare Parts
6
Country
USA
Spare Parts
Comparisons
With the redline, my car barely burns any oil, and significantly less is directed to my catch can. Night and day difference.
Pros: barely burns oil
Vehicle:
Volkswagen
Redline is what I'm currently using for engine oil, shock fluid, and brake fluid.
Redline 5w-40. 6k mile intervals. Probably much nicer than what my little GTI needs, but I like supporting local businesses and it's amazing oil.
Pros: amazing oil
Vehicle:
Volkswagen
Mileage: 6000 km
I use strictly Redline oils for all my fluids except premix. Engine oil is Redline 10w40.
Vehicle:
Mazda
Redline recommended 10w-40 Full Synthetic for my 1.8 solid lifter JH turbo application and the tech guy suggested modern synthetics don't cause seal leakage (like OG synths of 25 years ago) and holds up way better than the 40w rating in hot temps and protects much better when cold than even the current crop of Castrol 20/50 dino oil I was running. I swapped over the M81 to the same Redline oil and have not yet noticed any new oil leaks yet.
Pros: no seal leakage, better hot/cold protection
Vehicle:
Volkswagen
I order some new drain/fill hardware and the ever-trusty RedLine MT90! Get the car in the air and see dirty fluid on the bottom of the case near the drain plug.
Pros: ever-trusty
Cons: dirty fluid
Vehicle:
Volkswagen
I use only Redline for all my oils-fluids. For engine oil, I have used 10w40 consistently.
Vehicle:
Mazda
The Redline shockproof gear oil line has performed very well for me in differentials, especially in endurance racing applications where a cooler IS NOT used.
Pros: performed very well
i mean i guess the gear oil is ok.. i had redline and liked it a little better. i think i had MT-90 tho ..
Cons: only okay
Vehicle:
Volkswagen Jetta
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