So my car has had dullness for the past few years. I'm in a desert climate with extreme heat. So usually after washing my car I use a DA polisher and a rubbing compound and a wax after which brings the shine back a little, but the shine will only last maybe a day before it looks hazy again. So the other day after washing my car I decided to experiment with some silicone oil I purchased which I used to fill my fan clutch. I put a small amount on a cloth and rubbed it on the right fender, it was really thick so after it spread a little it was easier. Long story short, it took about 10ml to do my entire car (50ml bottle for $8) and my car now looks like it was just repainted and it's been 2 days. I read online about this and I can't find anyone that has used pure silicone oil on their car. I did read that it attracts dust, repels, water, etc, etc. My car is black and after the first day after doing 60 miles of city driving the car was still just as shiny as ever. When I got home I took a dry cloth and wiped the hood and there was dust, but there would be dust whether I used silicone or not. But I wiped the entire car and it's just like it was the first day I put the silicone on. I did not put this on any of the rubber, or my tires, or my interior. I was already contemplating a paint job, so if the silicone would've messed anything up I wouldn't care because I would've got it repainted anyways. However, I did not want to experiment with my interior or run the risk of messing up and rubber. But I am thoroughly satisfied with this and I would highly recommend it for anyone that may possibly be in the market for a respray. Not sure how it would look with a light car, but for black it looks amazing.

Sorry, pictures don't look so great, but the car literally looks freshly painted in person.

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1990 190E 3.0L

Try using the Turtlewax "Ice" products. They are silicone based and safe to apply to rubber, trim, etc.

Good stuff.

Silicone is good shyte but painters hate the stuff because it is a triple beyotch to paint over or do any type of bodywork which requires fillers/sealers. Regular car wash soaps won't even penetrate the stuff. This includes Dawn and other detergents. You have to use a chemical degreaser such as denatured alcohol, lacquer reducer or acetone to remove it.

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I can't believe how I didn't do this earlier. Yeah, I did read about it being a PITA to get off, but when I do need a respray, I'll let them deal with it. Here is some pics I took when I got home. Car was parked outside all day and this is what a quick wipe down does...I do wipe gently though as this layer of dust is actually sand. But this would be exactly the same without the silicone except for the fact that the car would look completely hazy even after the wipe down. Thanks for the recommendation, but I have literally spent a few hundred $$ over the years and I didn't mention what I previously used because everyone has their opinion about a brand and I didn't want this to be a thread about products, just about my find with the use of silicone oil. I'll see how it goes when I wash my car again. Hopefully the dirt is removed easy and I'll see what everything looks like once I put soap and water on it and dry it off. But if there are no adverse effects, then I will definitely head back to that hobby shop and stock up. I used the 7000 cst because thats what I put in my fan clutch and it was only $8 for 50ml and I think I only used about 10ml -15ml, but they did have lesser cst like 1000, 2000, 3000 for only $4 for a 50ml. I may try one of the lesser viscosity ones next time depending on the outcome of the next wash because it may be easier to spread.

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1990 190E 3.0L