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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > best way to clean your exhaust tip from the black residue



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      04-28-2012, 11:38 PM   #23
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I bought a rough, medium, and fine 3 pack of steel wool today at Autozone. Is the fine equal or close enough to 0000? Or is that a specialty grade that will need to be purchased online?
I picked up 0000 at Home Depot. I'm not sure how close fine is to 0000.
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      04-29-2012, 04:29 AM   #24
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i tried car shampoo (SONAX) on another car that i have with supersprint muffler box it did good, then i coated it with the wheel wax, i drove for 3 hrs straight, stopped and with a bottle of water and tissue i had it cleaned again (no effort).
Point is: WAX IT regularly .
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      04-29-2012, 05:12 AM   #25
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I wanna see pictures of how clean you guys claim it gets. Inside and out.
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      04-29-2012, 06:13 PM   #26
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Mothers mag & aluminum polish for me. Leaves them looking like new every time.

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      04-29-2012, 06:41 PM   #27
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Mothers mag & aluminum polish for me. Leaves them looking like new every time.

Is this after you had a very dirty inside pipe? I'm talking years of soot that's never been removed.
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      04-30-2012, 07:46 AM   #28
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Quote:
Originally Posted by Yo-Hi.Red.Devil View Post
Is this after you had a very dirty inside pipe? I'm talking years of soot that's never been removed.
FWIW, I recently tried cleaning out my exhaust tips on my 328i. CPO with 37,000 miles. Looked like it was never cleaned. I got Mother's Mag /aluminum polish, took out the dremel with the polishing white fabric tips, and went at it. 30 minutes later.... any shiny spot on the exhaust looked great, but it couldn't lift the "years of soot that's never been removed." I still have yet to tackle that. I'm sure steel wool or something will remove it, or if I used one of the more aggressive polishing wheels in my sanding/polishing kit. But I haven't yet. I can just say that however much you try by hand, you can't get that grunge off with the mag/alum polish (fine, you could, but it would take hours/days of vigorous rubbing. Who has time for that?).
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      04-30-2012, 10:16 AM   #29
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Wheel cleaner + brush to remove most if not all of the carbon deposit.
Megs power ball + metal polish to remove the rest and polish it to a shine. Leaves a protectant coat too.
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      04-30-2012, 11:44 AM   #30
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Is this after you had a very dirty inside pipe? I'm talking years of soot that's never been removed.
I do this weekly, so no. If you have soot caked on you'll need something to break it up first. I've used a little bit of brake cleaner on a sponge before and it worked well.
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      05-08-2014, 09:26 PM   #31
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Thanks for many good suggestions. What just worked best for me was a combination of brillo pads, brass brush, water, simple green, engine cleaner, flat top stove cleaner, and some elbow grease. Probably six years of carbon build-up on our Acura RDX.
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      05-09-2014, 04:46 PM   #32
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i always use some soapy water and steel wool after i washed my car. Now i have an exhaust that i dont have to do that every wash for lol!
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      05-09-2014, 05:45 PM   #33
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Red scotch bright.

I do the tips last and just dip the pad in the soap bucket. Gets the black off super easy.
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