Dash conditioner, dash protectant?

[OldManJames]

i applied 303 and left the car out in the sun for over 3 years. never cracked. they says if you apply 303 on your driving belts and timing belt, it will last longer.

[cheffy30]

I've used olive oil in all my e30's and have never had a cracked dash in the past 7+ years

so then does your interior have a pungent, fruity smell or does it smell like crayons or stale peanuts? spanish or italian olive oil?

[Panici]

I have a single dash crack from the first winter I owned the car (2014). Stored outside while the previous owner stored inside his garage.
There are also a few tiny cracks starting near the VIN plate.

Since then, I've used a sunshade and applied Lexol Vinylex every few months.
Small cracks have not changed in size since!