BMW 5er G30 G31, Bremsen hinten Beläge wechseln, Anzugsdrehmomente Schrauben, Bremsbeläge, Scheiben

Introduction

This tutorial provides a step-by-step guide on replacing the rear brake pads and discs on a BMW 5 Series G30/G31 model. Proper brake maintenance is crucial for vehicle safety and performance. Following this guide will help you perform the replacement efficiently and correctly.

Step 1: Gather Necessary Tools and Materials

Before starting, ensure you have the following tools and materials ready:

• New brake pads and discs
• Socket set and ratchet
• Torque wrench
• Brake cleaner
• C-clamp or brake piston tool
• Screwdrivers
• Jack and jack stands
• Safety goggles and gloves

Step 2: Prepare the Vehicle

1. Park the vehicle on a level surface.
2. Engage the handbrake to prevent the car from rolling.
3. Loosen the lug nuts on the rear wheels slightly (do not remove them yet).
4. Use the jack to lift the rear of the vehicle and secure it with jack stands.

Step 3: Remove the Rear Wheels

1. Fully remove the loosened lug nuts and take off the rear wheels.
2. Set the wheels aside in a safe location.

Step 4: Remove Old Brake Pads and Discs

1. Locate the brake caliper.
2. Remove the caliper bolts using the socket set.
3. Carefully slide the caliper off the brake disc and support it using a bungee cord or a suitable strap to avoid straining the brake line.
4. Remove the old brake pads from the caliper bracket.
5. If needed, remove the brake disc by taking out the retaining screws (if equipped) and pulling it off the hub.

Step 5: Install New Brake Discs

1. Clean the new brake disc with brake cleaner to remove any protective oil.
2. Position the new brake disc onto the hub.
3. Secure it in place with the retaining screws, if applicable.

Step 6: Prepare Caliper for New Brake Pads

1. Use a C-clamp or brake piston tool to compress the caliper piston back into the caliper housing. This creates space for the new pads.
2. Ensure the piston is fully retracted.

Step 7: Install New Brake Pads

1. Place the new brake pads into the caliper bracket.
2. Ensure they are positioned correctly and aligned with the disc.

Step 8: Reinstall the Caliper

1. Slide the caliper back over the new brake pads and disc.
2. Tighten the caliper bolts to the manufacturer's specified torque using the torque wrench.

Step 9: Reinstall the Wheels

1. Place the rear wheels back on the hub.
2. Hand-tighten the lug nuts to secure the wheels.

Step 10: Lower the Vehicle and Finalize

1. Carefully lower the vehicle back to the ground.
2. Use the torque wrench to tighten the lug nuts to the manufacturer's specified torque.
3. Repeat the process for the other side if necessary.

Conclusion

Replacing the rear brake pads and discs on a BMW 5 Series G30/G31 can enhance your vehicle's safety and performance. Always ensure you have the proper tools and follow torque specifications for securing components. Regular brake maintenance is vital, so consider checking your brakes periodically. If you're unsure or uncomfortable with any step, consult a professional mechanic for assistance.