BMW i3 2014-present Brakes Specifications
Detailed technical specifications and guide for the 2014-Present BMW i3 brakes, covering front and rear brake components, materials, and maintenance tips.
Brake Specifications Overview Specifications
This document provides a detailed overview of the brake specifications for the 2014-Present BMW i3. It includes key technical details, components, and maintenance information to help users understand and utilize the braking system effectively. Use the search functionality to find specific details or navigate through the sections to explore different aspects of the brake system.
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To search for specific information, use the search bar at the top of the document. Type in keywords related to the brake component or specification you are looking for. Results will be highlighted for quick identification.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized by major brake components, with subsections providing detailed specifications and technical points.
Key Brake Specifications
Front Rotor Diameter
11.6 in (295 mm)
Rear Rotor Diameter
11.1 in (282 mm)
Braking Distance (100-0 km/h)
34.4 m
Brake Pad Type (Front)
Organic
Regenerative Braking Capacity
Up to 50 kW
Available Specifications
Brake System Overview
This section provides a general overview of the BMW i3 brake system, including its key components and functionality. It serves as a foundation for understanding the more detailed specifications provided in subsequent sections.
Brake System Overview
This section provides a general overview of the BMW i3 brake system, including its key components and functionality. It serves as a foundation for understanding the more detailed specifications provided in subsequent sections.
Key Components
- Front and rear disc brakes with vented rotors
- Electrically actuated brake system
- Regenerative braking integration
- Anti-lock braking system (ABS)
- Dynamic Stability Control (DSC)
Brake Fluid and Hydraulic System
- DOT 4 brake fluid recommended
- Hydraulic brake actuation with electronic control
- Pressure sensors for optimal braking performance
- Automated brake fluid level monitoring
Front Brake Specifications
This section details the specifications of the front brake components, including rotor size, pad type, and caliper configuration.
Front Brake Specifications
This section details the specifications of the front brake components, including rotor size, pad type, and caliper configuration.
Front Brake Rotor
- Rotor diameter: 11.6 inches (295 mm)
- Vented rotor design for improved heat dissipation
- Made from high-carbon cast iron for durability
- Minimum thickness: 0.79 inches (20 mm)
- Maximum run-out: 0.0006 inches (15 μm)
Front Brake Pads
- Organic brake pads for reduced noise and wear
- Pad thickness: 0.43 inches (11 mm)
- Wear sensor integrated for maintenance alerts
- Operating temperature range: -40°F to 500°F (-40°C to 260°C)
Rear Brake Specifications
This section provides detailed information about the rear brake components, including rotor size, pad type, and caliper configuration.
Rear Brake Specifications
This section provides detailed information about the rear brake components, including rotor size, pad type, and caliper configuration.
Rear Brake Rotor
- Rotor diameter: 11.1 inches (282 mm)
- Solid rotor design for consistent braking performance
- Made from high-carbon cast iron for durability
- Minimum thickness: 0.63 inches (16 mm)
- Maximum run-out: 0.0006 inches (15 μm)
Rear Brake Pads
- Semi-metallic brake pads for increased durability
- Pad thickness: 0.35 inches (9 mm)
- Wear sensor integrated for maintenance alerts
- Operating temperature range: -40°F to 500°F (-40°C to 260°C)
Electronic Brake Features
This section outlines the advanced electronic features of the BMW i3 brake system, including regenerative braking and stability control systems.
Electronic Brake Features
This section outlines the advanced electronic features of the BMW i3 brake system, including regenerative braking and stability control systems.
Regenerative Braking
- Integrated with electric motor for energy recuperation
- Variable regenerative braking modes
- Max regenerative braking force: 0.3g
- Energy recovery up to 50 kW
Electronic Stability Control
- Dynamic Stability Control (DSC) standard
- Cornering Brake Control (CBC) for stability
- Automatic Brake Drying (ABD) in wet conditions
- Hill Descent Control (HDC) for steep inclines
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Brakes Specifications
Overview
- Type
- Regenerative braking system with electric parking brake
- Configuration
- Front-rear diagonal braking system
- Platform
- BMW i3 (2014-Present)
- Material
- Cast iron and aluminum components
- Location
- Front and rear axle
Dimensions
- Front Rotor Diameter
- 11.6 in (295 mm)
- Rear Rotor Diameter
- 11.0 in (280 mm)
- Front Caliper Type
- Single-piston floating caliper
- Rear Caliper Type
- Single-piston floating caliper
- Front Pad Width
- 3.9 in (100 mm)
- Rear Pad Width
- 3.5 in (90 mm)
- Parking Brake Diameter
- 9.4 in (240 mm)
Materials
- Front Rotor Material
- Cast iron
- Rear Rotor Material
- Cast iron
- Caliper Material
- Aluminum alloy
- Brake Pad Material
- Ceramic composite
- Brake Line Material
- Steel-reinforced rubber
Features
- Regenerative Braking
-
- Recovers kinetic energy during deceleration
- Integrated with electric motor
- Enhances overall efficiency
- Brake Assistant
-
- Automatic emergency braking
- Driver-initiated override capability
- Integrated with driver assistance systems
- Driving Modes
-
- Eco Pro mode optimized braking
- Sport mode dynamic braking
- Comfort mode balanced braking
- Thermal Management
-
- Ventilated front discs
- Cooling ducts for consistent performance
- Thermal protection for pads and rotors
- Electronic Controls
-
- Electronic Brakeforce Distribution (EBD)
- Anti-lock Braking System (ABS)
- Dynamic Stability Control (DSC)
Safety Features
- ABS
-
- Four-channel ABS system
- Electronic traction control integration
- EBD
-
- Optimized brake force distribution
- Reduces stopping distance under varying loads
- Emergency Braking
-
- Automatic activation in critical situations
- Audible and visual warnings
- Stability Control
-
- Integrated with DSC system
- Corrects vehicle attitude during hard braking
Comfort Features
- Automatic Hold
-
- Hill start assist
- Traffic jam assist
- Automatic brake hold in stop-and-go traffic
- Creep Control
-
- Low-speed crawling capability
- Smooth transition from brake to accelerator
- Comfort Braking
-
- Progressive pedal feel
- Noise reduction during low-speed braking
- Emergency Brake Assist
-
- Enhanced brake assist in panic stops
- Full autobrake activation
Accessories
- Brake Pads
-
- Ceramic composite pads
- Low dust pads available
- High-performance pads optional
- Rotors
-
- Drilled and slotted rotors
- Coated rotors for corrosion resistance
- Lightweight rotor options
- Fluid And Filters
-
- High-performance brake fluid
- Brake fluid reservoir filter
- Brake system cleaner kit
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Items To inspect
-
- Brake pads and rotors
- Brake fluid level and condition
- Brake lines and hoses
- Caliper operation
- Parking brake function
- Maintenance Notes
- Inspect brake components for wear and damage. Replace brake fluid every 30,000 miles.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Brake system components
- Corrosion Warranty
- Miles: UnlimitedYears: 12Coverage: Perforation of brake rotors and drums
- Maintenance Warranty
- Miles: 36,000Years: 3Coverage: Brake fluid replacement
- Battery Warranty
- Miles: 100,000Years: 8Coverage: Regenerative braking system components
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- CNC machining for rotors
- Aluminum casting for calipers
- Robotic assembly for brake systems
- Quality Control
- inspection: 100% visual and dimensional inspectionTesting: Dynamic testing on brake rigsCertification: Compliance with global brake standards
- Sustainability Practices
-
- Recyclable materials in brake components
- Low-energy manufacturing processes
- Eco-friendly packaging and logistics
- Production Metrics
- Annual Production: Over 25,000 unitsMarket Regions: Global distributionSupplier Network: Tier 1 and Tier 2 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 lines and hoses
- Test parking brake function
- Check ABS and DSC system status
Initial service inspection. No major maintenance required unless issues are found.
- Replace brake fluid
- Clean brake calipers and sliders
- Inspect brake pad wear sensors
- Check rotor thickness
- Test brake assist systems
Intermediate service. Address any wear items found during inspection.
- Replace front and rear brake pads
- Resurface or replace brake rotors
- Inspect and replace brake lines if necessary
- Bleed brake system
- Perform dynamic brake test
Major service interval. Critical for maintaining optimal braking performance.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes on the 2014-Present BMW i3?
What are the technical specifications of the brakes on the 2014-Present BMW i3?
The 2014-Present BMW i3 features ventilated front and rear disc brakes. Front brake discs are 280mm in diameter, while rear discs are 276mm. The brake system is compatible with regenerative braking technology, optimizing energy recovery. The i3 uses DOT 4 brake fluid, and the brake pads are designed for electric vehicle-specific demands, ensuring optimal stopping performance and longevity.
Q2 What are the maintenance requirements for the brakes on the 2014-Present BMW i3?
What are the maintenance requirements for the brakes on the 2014-Present BMW i3?
Regular brake maintenance for the BMW i3 includes inspecting brake pads every 12,000 miles or as indicated by the vehicle's condition-based maintenance system. Brake fluid should be replaced every 2 years or 25,000 miles. Rotors should be inspected for wear and warping at each service interval. Additionally, the parking brake should be checked annually for proper function.
Q3 How do I replace the brake pads on a 2014-Present BMW i3?
How do I replace the brake pads on a 2014-Present BMW i3?
To replace the brake pads on a BMW i3, start by safely lifting the vehicle and removing the wheels. Next, remove the caliper bolts and slide off the caliper. Take out the old brake pads and install the new ones, ensuring proper alignment. Reattach the caliper and tighten the bolts to the specified torque. Repeat for all wheels, then bleed the brake system if necessary and test the brakes before driving.
Q4 How do I troubleshoot common brake issues in the 2014-Present BMW i3?
How do I troubleshoot common brake issues in the 2014-Present BMW i3?
If the brake warning light illuminates, check the brake fluid level and inspect for leaks. If the ABS light is on, scan for fault codes using a BMW-specific OBD-II tool. Spongy brakes may indicate air in the system, requiring bleeding. Unusual noises could signal worn pads or warped rotors. Always refer to the repair manual for detailed diagnostic procedures.
Q5 How can I optimize the braking performance of my BMW i3?
How can I optimize the braking performance of my BMW i3?
To optimize braking performance, ensure proper tire pressure and alignment. Avoid aggressive driving and use regenerative braking effectively. Keep brake pads and rotors clean and free from debris. Consider upgrading to high-performance brake pads for improved stopping power. Regular maintenance and inspections will also ensure consistent braking performance.
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 i3 Service Manual
Coming SoonComprehensive service manual detailing technical specifications, maintenance schedules, and repair procedures for the BMW i3 brake system.
Brake System Technical Bulletin
Coming SoonOfficial technical bulletin addressing updates, common issues, and service recommendations for the BMW i3 brake system.
BMW i3 Parts Catalog
Coming SoonDetailed catalog of genuine BMW parts, including brake components, for the 2014-Present BMW i3.
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Technical Information
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