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Got a scratch or paint chip on your BMW? A single-panel repair at a 4S shop can cost over $500, but the Evooor Paint Pen lets you fix shallow to medium scratches at home for under $50. No pro skills needed — follow these nine proven steps to restore factory-like gloss in hours.

Works for:

• ✅ Clear coat scratches (white scuff marks)
• ✅ Paint-layer chips exposing primer
• ✅ Small dents ≤5mm

❌ Not for deep scratches exposing bare metal — see Step 2 for handling tips.

Time Required: 2–3 hours

Cost: $30–50

👉 Get the Evooor Paint Pen now and start your DIY repair today — it’s quick, affordable, and perfectly color-matched for BMW paints.

Step 1: Clean and Sand the Damaged Area for Paint Adhesion

You'll Need:

• 400# and 1000# wet-dry sandpaper
• Degreaser (e.g., isopropyl alcohol)
• Microfiber cloth
• Bucket of water

✅ Do:

1. Rinse the car body surface and wlpe.
2. Clean the area with degreaser to remove oil and wax — ensures paint bonds properly.
3. Wet sand with 400# sandpaper to remove rust or peeling edges.
4. Switch to 1000# sandpaper to smooth and blend edges 1 cm beyond the scratch.

❌ Don't:

• Dry sand — it leaves swirl marks on BMW's clear coat.
• Skip degreasing — oil residue causes paint to peel later.

Step 2: Fill Deep Scratches or Dents for Surface Uniformity

If the scratch reaches beyond the paint layer, filling is essential before color application.

Note:

• Use BMW-compatible filler (avoid oil-based putty — it discolors paint).
• On plastic bumpers, apply a light plastic primer first.
• Don't overfill — filler shrinks 5–10% as it dries.

Let it harden for 1 hour, then sand again with 1000# sandpaper until perfectly level.

Goal: a surface polished to the edge without any obstruction.

Step 3: Dry and Check the Surface for Readiness

Allow the area to dry before painting entirely.

✅ Do:

• Maintain temperature 60–80°F (15–27°C) and humidity below 60%.
• Touch test: if no fingerprint remains, the surface is ready.

❌ Don't:

• Spray when humidity exceeds 70% — it causes the clear coat to turn milky.
• Work under 10°C — drying time may exceed 3 hours, leading to cracking.

Step 4: Mask the Area for Precise Spray Control

Use masking tape to protect the surrounding bodywork and trims.

✅ Cover everything except the damaged area — ensures a clean repair edge and no overspray.

Step 5: Prepare the Evooor Paint Pen for Perfect Color Match

How to Match BMW Paint:

1. Locate your BMW paint code (inside driver's door jamb, e.g., 300 Black Sapphire).
2. Confirm your Evooor Paint Pen color formula matches the exact code.

Mixing Instructions:

• Add 1 part thinner to 4 parts paint (e.g., 10ml thinner + 40ml paint).
• Shake for 60 seconds until the mixing ball moves freely.
• Avoid excess thinner — it causes uneven or runny application.

Step 6: Spray the Base Color for Seamless Coverage

1. Attach the paint pen to the Evooor spray gun and connect it to the power source.
2. Hold 12 cm away from the car body.
3. Spray three thin coats, waiting 2 minutes between each.

✅ Thin layers provide smoother color blending.

❌ Thick layers or short intervals cause dripping and a dull finish.

Let the base coat dry for 1 hour before clear coating.

Step 7: Apply the Varnish (Clear Coat) for Factory Gloss

1. Remove the paint pen and straw.
2. Install a new straw and shake the varnish thoroughly.
3. Test spray on cardboard to confirm smooth flow.
4. Spray 2 even layers of clear coat from 12 cm distance, allowing 2–3 minutes between coats.

Result: a factory-level gloss that seals color and enhances reflection.

Step 8: Polish the Repaired Area for Mirror Finish

After 24 hours, polish the area gently.

You'll Need:

• BMW-approved polishing compound
• Soft sponge or pad

✅ Polish in circular motions for 30 seconds per section until the surface shines evenly.

❌ Avoid aggressive rubbing — it may thin or scratch the clear coat.

Step 9: Protect and Maintain for Long-Lasting Shine

• Wait 72 hours before washing the car.
• Use pH-neutral car shampoo only.
• After 1 week, apply synthetic wax (lasts longer than carnauba wax) to protect the color from UV and oxidation.

With proper care, the repaired area can last 2–3 years with consistent shine.

Common Questions & Fixes

Q1: Why does my BMW paint touch-up show a slight color difference?

A: Always test the paint on a sample card first. If it looks lighter, add 1ml more paint per 10ml thinner for a deeper tone.

Q2: How long will the repair last?

A: Around 2–3 years, or longer, with monthly waxing. Metallic finishes may require an extra clear coat yearly.

Q3: Can I fix a scratch exposing bare metal?

A: Apply rust converter (like POR-15) before Step 1. Painting directly over metal can cause bubbling or rust return.

✅ Recap Table

Final Takeaway

The Evooor Paint Pen's BMW-specific color formula delivers exceptional accuracy and gloss, making it the most reliable DIY solution for BMW scratch and chip repair.

By following these detailed steps, you'll restore a factory-grade finish, save hundreds in repair costs, and maintain your BMW's prestige appearance — all from your own garage.

With patience, proper prep, and the right tools, even beginners can achieve professional, showroom-quality results.