BMW 428i 2014-2016 Brakes Specifications
Detailed brake specifications for the 2014-2016 BMW 428i, including rotor sizes, caliper details, and brake pad information. Essential for maintenance, repairs, and upgrades.
Brake System Specifications Overview Specifications
This document provides a comprehensive overview of the brake system specifications for the 2014-2016 BMW 428i. It includes detailed technical information, key features, and operational guidelines. Use this guide to understand the components, maintenance requirements, and performance metrics of the braking system. Refer to the sections below for specific details and the quick reference section for at-a-glance key specifications.
How to Use
To find specific information, use the search functionality by typing keywords related to the brake system (e.g., 'rotor size', 'caliper type'). Results will highlight relevant sections.
Navigate through the document by selecting sections from the table of contents. Each section contains subsections with detailed technical points. Use the quick reference section for fast access to key specifications.
Key Specifications
Front Rotor Diameter
13 inches (330 mm)
Rear Rotor Diameter
13 inches (330 mm)
Brake Caliper Type (Front)
Fixed 4-piston
Brake Caliper Type (Rear)
Floating single-piston
Brake Fluid Type
BMW Group 5.1
Available Specifications
Front Brake Components
This section details the specifications and features of the front brake components, including rotors, calipers, and pads.
Front Brake Components
This section details the specifications and features of the front brake components, including rotors, calipers, and pads.
Front Brake Rotors
- Ventilated disc design for improved heat dissipation
- Diameter: 13 inches (330 mm)
- Thickness: 24 mm
- Material: High-carbon cast iron
- Surface finish: Cross-drilled for enhanced cooling
Front Brake Calipers
- Fixed 4-piston aluminum calipers
- Dust seals for reduced maintenance
- High-strength, lightweight construction
- Integral parking brake function
Front Brake Pads
- High-friction coefficient for superior stopping power
- Low-dust formulation to reduce wheel cleaning
- Wear sensors for pad replacement alerts
- Compatible with BMW's brake wear indicator system
Rear Brake Components
This section outlines the specifications and features of the rear brake components, including rotors, calipers, and pads.
Rear Brake Components
This section outlines the specifications and features of the rear brake components, including rotors, calipers, and pads.
Rear Brake Rotors
- Ventilated disc design for consistent braking performance
- Diameter: 13 inches (330 mm)
- Thickness: 20 mm
- Material: High-carbon cast iron
- Surface finish: Cross-drilled for enhanced cooling
Rear Brake Calipers
- Floating single-piston calipers
- Self-adjusting parking brake function
- Lightweight aluminum construction
- Integrated with the Electronic Parking Brake (EPB) system
Rear Brake Pads
- High-friction coefficient for reliable stopping power
- Low-dust formulation to reduce wheel cleaning
- Wear sensors for pad replacement alerts
- Compatible with BMW's brake wear indicator system
Brake System Features
This section highlights advanced features and technologies integrated into the braking system of the 2014-2016 BMW 428i.
Brake System Features
This section highlights advanced features and technologies integrated into the braking system of the 2014-2016 BMW 428i.
Electronic Brakeforce Distribution (EBD)
- Optimizes brake force distribution between front and rear axles
- Enhances stability and control during braking
- Integrated with the Dynamic Stability Control (DSC) system
- Reduces stopping distances in emergency situations
Anti-lock Braking System (ABS)
- Prevents wheel lock-up during hard braking
- Maintains tire traction with the road surface
- Reduces skidding and improves control
- Compatible with other advanced driver-assistance systems
Brake Assist
- Provides additional braking force in emergency situations
- Detects rapid pedal application and applies maximum pressure
- Reduces stopping distances in critical situations
- Seamlessly integrated with the ABS system
Maintenance and Service
This section provides guidelines for maintaining and servicing the brake system to ensure optimal performance and safety.
Maintenance and Service
This section provides guidelines for maintaining and servicing the brake system to ensure optimal performance and safety.
Brake Fluid Service
- Recommended brake fluid type: BMW Group 5.1
- Service interval: Every 2 years or 30,000 miles
- Importance of using specified fluid for optimal performance
- Warning signs of contaminated fluid (e.g., color change, moisture content)
Brake Pad Replacement
- Replace pads when thickness reaches 1/8 inch (3 mm)
- Inspect pads every 10,000 miles or as indicated by wear sensors
- Use BMW-approved replacement pads for optimal performance
- Always replace pads in pairs (front or rear) to maintain even braking
Rotor Inspection and Replacement
- Inspect rotors for warping or excessive wear every 12,000 miles
- Replace rotors if thickness variation exceeds 0.001 inches (0.025 mm)
- Always replace rotors in pairs (front or rear) for even braking performance
- Use a dial indicator for precise measurements
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Brakes Specifications
Overview
- Type
- ventilated disc brakes
- Configuration
- front and rear
- Platform
- BMW F32
- Material
- cast iron discs, aluminum calipers
- Location
- front and rear axles
Dimensions
- Front Rotor Diameter
- 13.4 in (340 mm)
- Front Rotor Thickness
- 1.0 in (25 mm)
- Rear Rotor Diameter
- 12.8 in (325 mm)
- Rear Rotor Thickness
- 0.8 in (20 mm)
- Caliper Piston Diameter Front
- 1.97 in (50 mm)
- Caliper Piston Diameter Rear
- 1.38 in (35 mm)
Materials
- Brake Discs
- cast iron with corrosion-resistant coating
- Brake Calipers
- aluminum alloy
- Brake Pads
- semi-metallic friction material
- Brake Fluid
- DOT 4 synthetic glycol-based fluid
Features
- Brake System Types
-
- Adaptive Brake System
- Dynamic Brake Control
- Brake Energy Regeneration
- Assist Technologies
-
- Automatic Emergency Braking
- Dynamic Stability Control (DSC)
- Cornering Brake Control (CBC)
- Cooling Features
-
- front rotor cooling ducts
- rear rotor cooling channels
- caliper ventilation system
- Control Systems
-
- Electronic Brakeforce Distribution (EBD)
- Anti-lock Braking System (ABS)
- Traction Control System (TCS)
Safety Features
- Emergency Braking
-
- Automatic Emergency Braking
- Emergency Brake Assist
- Stability Control
-
- Dynamic Stability Control (DSC)
- Trailer Stability Control
- Brake Assist
-
- Brake Assist System
- Hill Descent Control
Comfort Features
- Convenience
-
- Automatic Hold Function
- Soft Stop Function
- Brake Drying Function
- Noise Reduction
-
- Acoustic Insulation
- Vibration Dampening
- Noise-Reducing Brake Pads
- Driving Assistance
-
- Adaptive Cruise Control
- Stop & Go Function
- Traffic Jam Assistant
Accessories
- Performance Upgrades
-
- High-performance brake pads
- Upgraded brake rotors
- Brembo performance brake kits
- Cosmetic Accessories
-
- Brake caliper covers
- Brake rotor coatings
- Custom brake pad wear sensors
- Maintenance Accessories
-
- Brake fluid test strips
- Brake cleaner spray
- Brake lubricant grease
Maintenance
- Service interval
-
- Inspect brake pads and rotors every 12,000 miles
- Replace brake fluid every 30,000 miles
- Clean and lubricate brake caliper pins every 15,000 miles
- Inspect brake hoses and lines every 30,000 miles
- Replace brake pads when worn below 3mm
- Maintenance Notes
- Always use BMW-approved parts and fluids. Brake system should be serviced by a certified technician.
Warranty
- Basic Warranty
- Miles: 48,000 milesYears: 4 yearsCoverage: Brake system components
- Corrosion Warranty
- Miles: Unlimited milesYears: 12 yearsCoverage: Perforation of brake rotors and drums
- Maintenance Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: Brake fluid replacement
- Accessories Warranty
- Miles: 48,000 milesYears: 4 yearsCoverage: Brake system accessories
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- Casting and machining of brake rotors
- Aluminum alloy casting for calipers
- Friction material application for brake pads
- Assembly and testing of complete brake systems
- Quality Control
- inspection: 100% end-of-line testingCertifications: ISO 9001, IATF 16949Testing: Dynamic and static testing of brake systems
- Sustainability Practices
-
- Recycling of brake materials
- Energy-efficient manufacturing processes
- Reduction of emissions during production
- Production Metrics
- Annual Production: Over 1 million unitsProduction Plants: Munich, Germany, Spartanburg, USA, Dingolfing, GermanySupplier Network: Global network of certified suppliers
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads and rotors
- Check brake fluid level and condition
- Inspect brake hoses and lines
- Test brake system functionality
- Clean and lubricate brake caliper pins
Essential for maintaining optimal braking performance.
- Replace brake fluid
- Inspect and clean brake sensors
- Check ABS and DSC system functionality
- Inspect brake dust shields and hardware
- Measure brake rotor thickness
Recommended to prevent corrosion and maintain system integrity.
- Replace brake pads if worn below 3mm
- Resurface or replace brake rotors if necessary
- Inspect and replace brake hoses if damaged
- Clean and lubricate brake system components
- Perform comprehensive brake system test
Critical for ensuring safe and reliable braking performance.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes for the 2014-2016 BMW 428i?
What are the technical specifications of the brakes for the 2014-2016 BMW 428i?
The 2014-2016 BMW 428i features ventilated disc brakes front and rear. The front brake rotors measure 13.4 inches in diameter, while the rear rotors measure 13.0 inches. The brake system utilizes 4-piston fixed front calipers and 2-piston floating rear calipers. The brake pads are designed for high performance with a heat-resistant friction material. The system is compatible with DOT 4 brake fluid and features ABS (Anti-lock Braking System) technology.
Q2 What are the maintenance requirements for the brakes?
What are the maintenance requirements for the brakes?
Regular brake maintenance for the 2014-2016 BMW 428i includes inspecting brake pads every 10,000 to 15,000 miles, checking brake fluid levels every 6 months, and replacing the brake fluid every 2 years or 30,000 miles. Brake rotors should be inspected for warping or excessive wear every 12,000 miles and replaced as needed. Additionally, the brake sensors should be monitored and replaced when they indicate wear.
Q3 How do I install or replace the brakes?
How do I install or replace the brakes?
To replace the brakes on a 2014-2016 BMW 428i, start by loosening the wheel bolts and raising the vehicle on a lift. Remove the wheels and calipers, taking care not to damage the brake hoses. Remove the old brake pads and rotors, then install the new rotors and pads. Reinstall the calipers, ensuring proper alignment, and bleed the brake system to remove any air bubbles. Tighten all bolts to the specified torque and test the brakes before driving.
Q4 How do I troubleshoot common brake issues?
How do I troubleshoot common brake issues?
Common brake issues in the 2014-2016 BMW 428i include spongy brakes, which may indicate air in the system or worn-out brake pads. If the brake light is illuminated, check the brake fluid level or scan for fault codes using a BMW-specific OBD-II scanner. Warped rotors may cause vibration during braking, requiring resurfacing or replacement. Always inspect for worn or damaged components and test the brakes in a safe environment after any repairs.
Q5 How can I optimize brake performance?
How can I optimize brake performance?
To optimize brake performance on the 2014-2016 BMW 428i, ensure proper alignment and balance of the vehicle, as misalignment can lead to uneven brake wear. Use high-quality, BMW-approved brake pads and rotors designed for your vehicle's specifications. Regularly clean brake components to prevent corrosion and maintain optimal braking efficiency. Consider upgrading to performance brake pads or cross-drilled rotors for improved heat dissipation and stopping power.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
BMW 428i Brake Service Manual
Coming SoonComprehensive guide covering brake system repair, maintenance, and troubleshooting procedures.
Technical Service Bulletin - Brake System Updates
Coming SoonOfficial updates and technical bulletins for brake system improvements and known issues.
BMW Parts Catalog - Brake Components
Coming SoonDetailed listing of genuine BMW brake parts, including pads, rotors, and calipers.
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Technical Information
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