How to polish a BMW i4?

How to polish a BMW i4?

Learn the expert tips and techniques for polishing your BMW i4 to a showroom shine.

How to polish a BMW i4?

Polishing your BMW i4 is more than just a cosmetic exercise. It's a ritual, a labor of love that not only enhances the car's appearance but also protects its exterior. A well-polished car is a sight to behold, and when it's a BMW i4, it's even more special. This guide will take you through the steps of polishing your BMW i4 to perfection, ensuring it always looks its best.

Understanding the Importance of Polishing

Before we delve into the how-to, it's essential to understand why polishing your BMW i4 is crucial. Polishing is not just about making your car look shiny and new. It's about preserving the car's paintwork, protecting it from the elements, and maintaining its value.

Polishing removes minor scratches, swirl marks, and oxidation that can dull your car's finish. It also provides a smooth surface for the wax or sealant, enhancing its protective qualities. So, if you want your BMW i4 to look its best and last longer, regular polishing is a must.

Choosing the Right Products

Not all car polishes are created equal. Some are abrasive, designed to remove a thin layer of paint to eliminate scratches and oxidation. Others are gentle, meant to clean and brighten the paint without removing any of it. The choice depends on the condition of your BMW i4's paintwork.

For a new or well-maintained car, a non-abrasive polish is the best choice. It will clean and brighten the paint without risking any damage. For a car with noticeable scratches or oxidation, an abrasive polish may be necessary. However, it should be used with care to avoid removing too much paint.

Polishing Tools

Polishing your BMW i4 by hand can be a rewarding experience, but it's also hard work. Using a machine polisher can make the job easier and give better results. There are two types of machine polishers: rotary and dual action.

A rotary polisher is powerful and can remove heavy oxidation and deep scratches. However, it requires skill to use without damaging the paint. A dual action polisher is less powerful but safer for beginners. It's excellent for light to moderate polishing jobs.

The Polishing Process

Now that we have the right products and tools, let's get down to the business of polishing your BMW i4. The process involves several steps, each crucial to achieving the perfect shine.

Step 1: Washing

Before you start polishing, you need to wash your car thoroughly. Any dirt or grit left on the paint can cause scratches during the polishing process. Use a high-quality car wash soap and a soft wash mitt to clean the car. Rinse thoroughly and dry with a microfiber towel.

Step 2: Clay Bar Treatment

After washing, your car's paint should feel smooth to the touch. If it feels rough, it means there are contaminants embedded in the paint. A clay bar can remove these contaminants. Simply spray a clay lubricant on a small area and glide the clay bar over it. Repeat until the paint feels smooth.

Step 3: Polishing

Now comes the fun part: polishing. Apply a small amount of polish on the pad of your machine polisher. Place the pad against the car's surface, turn on the machine, and move it back and forth in a controlled manner. Work on a small area at a time until the entire car is polished.

Step 4: Waxing

After polishing, it's time to protect your hard work with a layer of wax or sealant. This will give your car a brilliant shine and protect the paint from the elements. Apply the wax or sealant with a soft pad, let it dry, and buff it off with a microfiber towel.

Polishing Tips and Tricks

Polishing your BMW i4 can be a straightforward process, but there are a few tips and tricks that can make it even easier and more effective.

Tip 1: Work in the Shade

Polishing in direct sunlight can cause the polish to dry too quickly, making it hard to remove and less effective. Always work in the shade and on a cool surface for the best results.

Tip 2: Use the Right Amount of Polish

More polish doesn't mean more shine. In fact, using too much polish can make it harder to work with and can leave residue on the paint. A small amount of polish is usually enough to achieve a brilliant shine.

Tip 3: Take Your Time

Polishing is not a race. Taking your time to work the polish into the paint will yield better results. It's also less tiring and more enjoyable.

Maintaining the Shine

After you've spent time and effort polishing your BMW i4, you'll want to maintain that shine for as long as possible. Regular washing with a high-quality car wash soap is the first step. Avoid automatic car washes as they can scratch the paint.

Every few months, apply a fresh coat of wax or sealant to protect the paint and keep it looking shiny. If you notice the shine starting to fade, it may be time for another round of polishing.


Polishing your BMW i4 is a rewarding task that can enhance the car's appearance and protect its paint. With the right products, tools, and techniques, you can achieve a professional-level shine at home. So, roll up your sleeves and give your BMW i4 the polish it deserves.

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