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How To Clean Brown Exhaust Residue From Bumper

How to remove orange-brown exhaust residue, soot, and stains from the rear bumper of your car or truck.

This car had a professional ceramic coating applied and did get regular decontamination washes and hand washes. The contamination from the exhaust still stuck to the paint and doesn't wash off with normal methods.

Even after hand washing, chemical removal of iron and tar, and clay bar, this exhaust residue still sticks on the rear bumper. In the case of this white BMW, the residue stains are visible over the entire back-end of the car. This is normal with with some European cars, tuned cars, and high-performance cars.

We show you how OBSSSSD Paint Clean safely and effectively removes the exhaust residue which looks like a orange, brownish film. OBSSSSD Paint Clean is a mild pre-wax polish with a cleaning properties, can be used by hand or with a polisher.

See this BMW M3 E92 Coupe go from a dull brownish white to bright white again!

See our How-To Video on removing exhaust residue from bumpers and the rear end of vehicles.

Even after a thorough two-bucket hand wash, iron removal, tar removal, clay bar treatment, and a second hand wash, the stubborn brown exhaust residue remains on the rear bumper, trunk lid, badging, and taillights.

50 / 50 before-and-after picture showing the exhaust residue removed. The left side of the car has been washed, but the dark exhaust residue is still stuck to the paint. On the right side of the car, the exhaust residue has been removed by polishing with the OBSSSSD Paint Clean pre-wax cleanser.

Final results showing this beautiful 2008 BMW M3 E92 Coupe back to bright white again.

How to Remove Exhaust Residue

What You'll Need:

• Car wash soap

• Clay bar kit or Decontamination chemicals

• OBSSSSD Paint Clean

• Microfiber Towels

• Microfiber Applicator or Polisher

• Nitrile Gloves

Step-By-Step Guide

1) Wash Your Car:

Start by giving your car a thorough hand wash to remove loose dirt and grime. Use a strong car wash soap and a wash mitt to clean the surface. Rinse the car well to ensure all soap is removed.

See our in-depth guide on how to wash your car

Washing a car to prepare for ceramic coating
How-To Wash

2) Decontamination:

Use a clay bar/clay mitt or decontamination chemicals to remove any embedded contaminants from the paint surface. This step ensures a smooth and clean surface before polishing.

See our in-depth guide on how to decontaminate your car

Decontaminating your car to prepare for polishing
How-To Decontaminate

3) Rewash the Vehicle:

Wash the car by hand again to remove any residue that was left behind by the decontamination process.

Rewashing the vehicle to remove residue

4) Polish Affected Areas:

For small areas, polish by hand with a microfiber towel or microfiber applicator.

Polishing by hand to remove exhaust residue

5) Polish by Machine:

For large areas, you can use a machine polisher with soft pad.

Polishing by machine to remove exhaust residue

OBSSSSD Paint Clean

OBSSSSD Paint Clean is a pre-wax cleanser + mild abrasive polish. Where OBSSSSD Paint Clean Can Be Used: - Exhaust Residue - Plastic Chome - Black Gloss Plastics (e.g. Interior Piano Black Trim) - B-Pillars - Pre-Wax Cleaner Polish - Light Polishing on Paint Protection Film (PPF) - Light Hand Polishing

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Where To Buy Exhasut Residue Removal Products:

At Auto Obsessed, we understand the importance of maintaining your vehicle's appearance. Our team of experts is here to help you choose the right residue removers and provide professional application services. Contact us today to learn more and give your car the ultimate protection it deserves.

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