BMW 640i 2011-2018 Brakes Specifications
Find detailed brake specifications for the 2011-2018 BMW 640i, including rotor sizes, caliper details, and system features. Essential for maintenance, repair, and upgrades.
Brake System Overview Specifications
This document provides a comprehensive overview of the brake system specifications for the 2011-2018 BMW 640i. It includes detailed information about the brake components, technical specifications, and maintenance recommendations. Use this guide to understand the braking system's capabilities, identify key components, and perform routine maintenance. Navigate through the sections to find specific details or use the quick reference section for key specifications.
How to Use
To search for specific information, use the search functionality by typing keywords related to the brake system, such as 'rotor size' or 'brake fluid.' Results will highlight relevant sections.
Navigate through the document by selecting sections from the table of contents. Each section provides detailed information about specific aspects of the brake system, including component specifications and maintenance tips.
Key Specifications
Front Rotor Diameter
13.7 in (348 mm)
Rear Rotor Diameter
13.6 in (345 mm)
Brake Fluid Type
DOT 4 LV
Brake Pad Replacement Interval
Every 30,000 miles
Brake Fluid Change Interval
Every 2 years
Available Specifications
General Brake Specifications
This section outlines the overall specifications of the brake system, including key components and system features.
General Brake Specifications
This section outlines the overall specifications of the brake system, including key components and system features.
Brake System Overview
- Adaptive Brake System with dynamic brake force distribution
- Four-wheel ventilated disc brakes
- Dynamic Stability Control (DSC) integration
- Automatic Brake Drying function
- Brake Standby function
Brake System Features
- Electronic Brakeforce Distribution (EBD)
- Anti-lock Braking System (ABS)
- Cornering Brake Control (CBC)
- Dynamic Brake Control (DBC)
Front Brake Components
This section details the specifications of the front brake components, including rotors, calipers, and pads.
Front Brake Components
This section details the specifications of the front brake components, including rotors, calipers, and pads.
Front Brake Rotors
- Rotor diameter: 13.7 inches (348 mm)
- Rotor thickness: 1.2 inches (30 mm)
- Ventilated disc design for improved heat dissipation
- Made from high-carbon cast iron
- Cross-drilled rotors available on certain models
Front Brake Calipers
- Floating caliper design
- Four-piston fixed front calipers
- High-performance brake pads
- Aluminum caliper construction
- Optional M Sport brake calipers available
Rear Brake Components
This section provides detailed specifications for the rear brake components, including rotors, calipers, and pads.
Rear Brake Components
This section provides detailed specifications for the rear brake components, including rotors, calipers, and pads.
Rear Brake Rotors
- Rotor diameter: 13.6 inches (345 mm)
- Rotor thickness: 0.8 inches (20 mm)
- Ventilated disc design
- Made from high-carbon cast iron
- Cross-drilled rotors available on certain models
Rear Brake Calipers
- Floating caliper design
- Two-piston fixed rear calipers
- High-performance brake pads
- Aluminum caliper construction
Brake Fluid and Maintenance
This section covers the brake fluid specifications and recommended maintenance intervals for the brake system.
Brake Fluid and Maintenance
This section covers the brake fluid specifications and recommended maintenance intervals for the brake system.
Brake Fluid Specifications
- Recommended brake fluid: DOT 4 LV (Low Viscosity)
- Brake fluid capacity: Approximately 1.5 liters
- Change interval: Every 2 years or 30,000 miles
- Use of synthetic brake fluid recommended
- Avoid mixing with other brake fluid types
Maintenance Recommendations
- Inspect brake pads every 12,000 miles
- Inspect brake rotors every 18,000 miles
- Check brake fluid level monthly
- Bleed brake system every 2 years or when replacing components
- Clean brake components regularly to prevent corrosion
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Brakes Specifications
Overview
- Type
- Ventilated disc brakes
- Configuration
- Front and rear
- Platform
- BMW F12/F13
- Material
- Steel rotors with organic brake pads
- Location
- Front and rear axles
Dimensions
- Front Rotor Diameter
- 13.7 in (348 mm)
- Rear Rotor Diameter
- 13.4 in (340 mm)
- Front Rotor Thickness
- 1.2 in (30 mm)
- Rear Rotor Thickness
- 0.9 in (22 mm)
- Front Caliper Piston Count
- 4-piston fixed caliper
- Rear Caliper Piston Count
- 2-piston fixed caliper
- Front Pad Length
- 14.8 in (376 mm)
- Rear Pad Length
- 12.6 in (320 mm)
Materials
- Rotors
- Steel with corrosion-resistant coating
- Brake Pads
- Organic friction material
- Calipers
- Aluminum alloy
- Brake Lines
- Steel-reinforced rubber hoses
Features
- Brake Types
-
- Ventilated front and rear discs
- Fixed front calipers
- Floating rear calipers
- Dynamic Brake Control (DBC)
- Automatic Differential Brake (ADB)
- Assist Systems
-
- Anti-lock Braking System (ABS)
- Dynamic Traction Control (DTC)
- Electronic Brakeforce Distribution (EBD)
- Brake Assist
- Cooling Systems
-
- Front rotor air ducts
- Rear rotor cooling channels
- Caliper ventilation
- Wear indicators
-
- Audible wear sensors
- Visual wear indicators
- Electronic pad wear monitoring
Safety Features
- Anti-Lock Braking
-
- 4-channel ABS with electronic brake distribution
- Emergency brake assistance
- Cornering brake control
- Stability Control
-
- Dynamic Stability Control (DSC)
- Dynamic Traction Control (DTC)
- Electronic Differential Brake (EDB)
- Brake Assist
-
- Automatic emergency brake assist
- Brake force amplification
Comfort Features
- Noise Reduction
-
- Optimized rotor surface finish
- Pads with noise-dampening shims
- Caliper anti-rattle clips
- Pedal Feel
-
- Progressive pedal response
- Hydraulic brake boost
- Servotronic brake assist
- Fade Resistance
-
- High-performance pad compounds
- Ventilated rotor design
- Cooling airflow optimization
Accessories
- Performance Upgrades
-
- High-performance brake pads
- Cross-drilled or slotted rotors
- Upgraded brake lines
- Brake Pads
-
- Standard organic pads
- High-performance semi-metallic pads
- Track-use racing pads
- Rotor Options
-
- OEM replacement rotors
- Lightweight forged rotors
- Two-piece floating rotors
Maintenance
- Service interval
- Every 12,000 to 15,000 miles or as needed
- Service Items
-
- Inspect brake pads and rotors
- Check brake fluid level and condition
- Inspect brake hoses and lines
- Test brake system functionality
- Clean and lubricate brake components
- Maintenance Notes
- Replace brake pads when thickness reaches 1/8 inch or less. Replace rotors if warped or excessively worn.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Brake system components excluding wear items
- Maintenance
- Miles: UnlimitedYears: 1Coverage: Brake fluid and filter changes
- Accessories
- Miles: 2 yearsYears: UnlimitedCoverage: Aftermarket brake components
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- CNC machining of rotors
- Aluminum casting for calipers
- High-temperature treatment for brake pads
- Robotically assembled brake systems
- Quality Control
- inspection: Dimensional and surface inspection of rotorsTesting: Dynamic testing of brake systemsCertification: ISO 9001:2015 certified production
- Sustainability Practices
-
- Recycling of brake materials
- Energy-efficient manufacturing processes
- Reduced emissions during production
- Production Metrics
- Annual Output: Over 100,000 unitsFactory Location: Munich, GermanySupplier Network: Global distribution
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 components
Visual inspection of all brake components. Replace brake pads if worn below 1/8 inch.
- Replace brake fluid
- Inspect and clean brake pads
- Measure rotor thickness
- Inspect caliper slides and pins
- Test ABS and DSC systems
Fluid replacement recommended every 30,000 miles. Check for any signs of brake component wear.
- Replace brake pads
- Resurface or replace rotors
- Inspect and replace brake hoses if necessary
- Bleed brake system
- Test brake performance
Major service interval. Replace pads and rotors as needed. Ensure proper system bleeding.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes on a 2011-2018 BMW 640i?
What are the technical specifications of the brakes on a 2011-2018 BMW 640i?
The 2011-2018 BMW 640i features ventilated disc brakes front and rear. Front brakes typically have 374mm rotors with 4-piston fixed calipers, while rear brakes have 370mm rotors with 2-piston fixed calipers. The system is compatible with DOT 4 brake fluid and is designed to work with 18-inch or larger wheels. Brake pads are specific to each caliper type, and rotors are vented for improved heat dissipation.
Q2 What maintenance is required for the brakes on a 2011-2018 BMW 640i?
What maintenance is required for the brakes on a 2011-2018 BMW 640i?
Regular brake maintenance for the 2011-2018 BMW 640i includes inspecting brake pads every 12,000 miles, replacing pads when worn below 3mm, and resurfacing or replacing rotors as needed. Brake fluid should be changed every 30,000 miles, and the entire system should be inspected for leaks or damage. It is recommended to use OEM or equivalent parts to maintain performance and safety.
Q3 How do I replace the brake pads on a 2011-2018 BMW 640i?
How do I replace the brake pads on a 2011-2018 BMW 640i?
To replace brake pads on a 2011-2018 BMW 640i, start by lifting the vehicle and removing the wheels. Remove the caliper bolts and slide the caliper off the rotor. Remove the old pads and install the new ones, ensuring proper alignment. Reinstall the caliper and torque the bolts to specifications. Bleed the brake system if necessary and test the brakes before driving.
Q4 How do I troubleshoot common brake issues on a 2011-2018 BMW 640i?
How do I troubleshoot common brake issues on a 2011-2018 BMW 640i?
Common brake issues on the 2011-2018 BMW 640i include spongy brakes, which may indicate air in the system or low brake fluid levels. Grinding noises often point to worn pads or warped rotors. Pulling to one side during braking can indicate uneven wear or misaligned calipers. Use a scan tool to check for fault codes and inspect the system for leaks or damage.
Q5 How can I optimize the performance of my brakes on a 2011-2018 BMW 640i?
How can I optimize the performance of my brakes on a 2011-2018 BMW 640i?
To optimize brake performance on a 2011-2018 BMW 640i, consider upgrading to high-performance brake pads and rotors designed for your driving conditions. Ensure proper brake fluid levels and use a high-temperature DOT 4 fluid. Regularly clean and inspect brake components, and avoid aggressive driving that can overheat the brakes. Consider upgrading to cross-drilled or slotted rotors for improved heat dissipation.
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 640i Brake Service Manual
Coming SoonComprehensive guide covering brake system specifications, maintenance, and repair procedures for the 2011-2018 BMW 640i.
Technical Service Bulletin - Brake System Update
Coming SoonOfficial bulletin detailing updates and improvements to the brake system for enhanced performance and reliability.
BMW Brake Parts Catalog
Coming SoonDetailed catalog of genuine BMW brake components, including pads, rotors, and calipers for the 2011-2018 640i.
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Technical Information
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