BMW 650i 2003-2010 Brakes Specifications
Find detailed brake specifications for the 2003-2010 BMW 650i, including rotor sizes, caliper types, and ABS system details. Essential for maintenance, repair, and upgrades.
Brake Specifications Overview Specifications
This document provides a comprehensive overview of the brake specifications for the 2003-2010 BMW 650i. It includes detailed technical information, maintenance recommendations, and performance data. Use this guide to understand the braking system, identify components, and perform routine maintenance or upgrades. Navigate through the sections to find specific information, and refer to the quick reference section for key specifications.
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To find specific information, use the search functionality by typing keywords such as 'rotor size', 'caliper type', or 'fluid specifications' in the search bar. This will help you quickly locate relevant details within the document.
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Key Specifications
Front Brake Rotor Size
13.7 in (348 mm)
Rear Brake Rotor Size
13.2 in (336 mm)
Front Caliper Piston Count
4-piston
Rear Caliper Piston Count
2-piston
Recommended Brake Fluid
DOT 4 / DOT 5.1
Available Specifications
Brake System Overview
This section provides an overview of the braking system in the 2003-2010 BMW 650i, including key components and features. It explains how the system works and highlights important specifications.
Brake System Overview
This section provides an overview of the braking system in the 2003-2010 BMW 650i, including key components and features. It explains how the system works and highlights important specifications.
Key Components
- Dual-circuit braking system with ABS
- Ventilated front and rear brake discs
- Four-piston front calipers and two-piston rear calipers
- Electronic Brakeforce Distribution (EBD)
- Emergency Brake Assistance (EBA)
Brake Discs
- Front brake discs: 13.7 inches (348 mm) in diameter
- Rear brake discs: 13.2 inches (336 mm) in diameter
- Disc thickness: 1.2 inches (30 mm) front, 0.8 inches (20 mm) rear
- Disc type: Internally ventilated, cross-drilled
Brake Components
This section details the specifications of individual brake components, including calipers, pads, and rotors. It provides technical measurements and material information.
Brake Components
This section details the specifications of individual brake components, including calipers, pads, and rotors. It provides technical measurements and material information.
Brake Calipers
- Front calipers: Four-piston aluminum calipers
- Rear calipers: Two-piston aluminum calipers
- Caliper finish: Gloss black with BMW logo
- Caliper bolts: High-strength steel, torque specification: 120 Nm
Brake Pads
- Front brake pads: Semi-metallic composite material
- Rear brake pads: Low-metallic composite material
- Pad thickness: 12.7 mm (minimum 1.0 mm)
- Pad wear sensor: Integrated in front and rear pads
Brake Fluid and Hydraulic System
This section covers the hydraulic system specifications, including brake fluid type, reservoir capacity, and bleeding procedures.
Brake Fluid and Hydraulic System
This section covers the hydraulic system specifications, including brake fluid type, reservoir capacity, and bleeding procedures.
Brake Fluid
- Recommended fluid: DOT 4 or DOT 5.1
- Fluid reservoir capacity: 1.5 liters
- Fluid change interval: Every 30,000 miles or 2 years
- Fluid flushing procedure: Use a vacuum bleeding tool or manual bleeding
Brake Performance and Upgrades
This section provides information on brake performance, including stopping distances and optional upgrades. It also offers tips for improving brake efficiency.
Brake Performance and Upgrades
This section provides information on brake performance, including stopping distances and optional upgrades. It also offers tips for improving brake efficiency.
Factory Performance Specifications
- 60-0 mph stopping distance: 125 feet (38 meters)
- 80-0 mph stopping distance: 208 feet (63 meters)
- Deceleration rate: 0.88g average
- Fade resistance: Tested up to 10 consecutive stops from 60 mph
Upgrade Options
- High-performance brake rotors: Cross-drilled or slotted
- Upgraded brake pads: Ceramic or carbon-fiber reinforced
- Stainless steel brake lines: Improved pedal feel and durability
- Performance brake fluid: Higher boiling point for track use
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Brakes Specifications
Overview
- Type
- Power-assisted ventilated disc brakes
- Configuration
- Dual-circuit with front and rear disc brakes
- Platform
- BMW E63/E64
- Material
- Cast iron rotors with aluminum calipers
- Location
- Front and rear axle
- ABS System
- Bosch 8.0 ABS
Dimensions
- Front Rotor Diameter
- 13.7 in (348 mm)
- Front Rotor Thickness
- 1.5 in (38 mm)
- Rear Rotor Diameter
- 13.4 in (340 mm)
- Rear Rotor Thickness
- 1.3 in (33 mm)
- Front Caliper Piston Diameter
- 1.97 in (50 mm)
- Rear Caliper Piston Diameter
- 1.38 in (35 mm)
- Brake Pad Thickness
- 0.47 in (12 mm)
- Master Cylinder Bore
- 1.02 in (26 mm)
Materials
- Rotors
- Cast iron
- Brake Pads
- Semi-metallic
- Calipers
- Aluminum alloy
- Brake Lines
- Steel
- Brake-Fluid
- DOT 4
Features
- Anti-Lock Braking System
-
- Electronic traction control
- Cornering stability enhancement
- Emergency brake assist
- Brake Assist
-
- Electronic brakeforce distribution
- Automatic brake drying
- Fade compensation
- Dynamic Brake Control
-
- Adaptive braking
- Automatic speed reduction
- Wet weather optimization
- Brake Booster
-
- Twin-diaphragm vacuum booster
- Noise reduction system
- Integral pressure regulator
- Cooling System
-
- Front rotor cooling ducts
- Rear rotor cooling channels
- Caliper cooling vents
Safety Features
- Anti-Lock Braking
-
- Wheel speed sensors
- Hydraulic control unit
- Electronic control module
- Emergency Braking
-
- Automatic emergency call
- Post-crash braking
- Seatbelt pretensioning
- Stability Control
-
- Dynamic stability control
- Electronically controlled
Comfort Features
- Automatic Hold
-
- Hill start assist
- Traffic jam assist
- Electronic parking brake
- Soft Stop
-
- Progressive pedal feel
- Low-speed smooth braking
- Creep control
- Noise Reduction
-
- Acoustic insulation
- Anti-vibration pads
- Quieter brake operation
- Wear indicators
-
- Electronic wear sensors
- Dashboard warning lights
- Audible alerts
Accessories
- High Performance
-
- Ceramic brake pads
- Cross-drilled rotors
- Floating rotor upgrade
- Customization
-
- Painted calipers
- Engraved rotor hats
- Performance brake kits
- Replacement Parts
-
- OEM brake pads
- Aftermarket rotors
- Upgrade brake fluid
Maintenance
- Service interval
- Every 30,000 miles (48,000 km) or 2 years
- Items
-
- Brake pad replacement
- Rotor resurfacing or replacement
- Brake fluid change
- Brake line inspection
- Caliper lubrication
- Notes
- Use DOT 4 brake fluid only. Replace brake pads when thickness reaches minimum spec.
Warranty
- New Vehicle
- Miles: 50,000Years: 4Coverage: Parts and laborTerms: From original purchase date
- Wear Items
- Miles: 25,000Years: 2Coverage: Brake pads and rotorsTerms: Prorated warranty
- Extended
- Miles: 100,000Years: 6Coverage: All brake componentsTerms: Optional extended plan
- Certified Pre-Owned
- Miles: 100,000Years: 6Coverage: Comprehensive brake systemTerms: From original in-service date
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- Certifications: ISO 9001:2015Testing Procedures: Functional testing, Durability testing, Noise testing
- Sustainability
-
- Recycled materials
- Energy-efficient production
- Emission reduction
- Production Metrics
- 300,000 units annually
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads for wear
- Check rotor thickness
- Test brake fluid level
- Inspect brake lines for damage
- Check ABS system for faults
Use DOT 4 brake fluid only. Clean brake components before inspection.
- Replace brake pads
- Resurface or replace rotors
- Change brake fluid
- Inspect calipers for leaks
- Test ABS system functionality
Clean brake components before reassembly. Use torque specifications for calipers.
- Replace brake pads and rotors
- Change brake fluid
- Inspect and replace brake lines if necessary
- Bleed brake system
- Perform comprehensive ABS test
Ensure proper brake system bleeding. Use specialized tools for ABS testing.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes for the 2003-2010 BMW 650i?
What are the technical specifications of the brakes for the 2003-2010 BMW 650i?
The 2003-2010 BMW 650i features ventilated disc brakes front and rear. The front brakes typically have 13.7-inch (348 mm) discs with 4-piston fixed calipers, while the rear brakes have 13.2-inch (336 mm) discs with 2-piston fixed calipers. The system is compatible with DOT 4 brake fluid and features ABS (Anti-lock Braking System) and DSC (Dynamic Stability Control). Brake rotors are made of cast iron, and pads are usually semi-metallic. OEM specifications ensure optimal performance and compatibility.
Q2 What maintenance is required for the brakes on a 2003-2010 BMW 650i?
What maintenance is required for the brakes on a 2003-2010 BMW 650i?
Regular brake maintenance for the 2003-2010 BMW 650i includes inspecting brake pads every 10,000 to 15,000 miles and replacing them when worn below 1/8 inch. Brake rotors should be inspected every 30,000 miles and replaced if warped or excessively worn. Brake fluid should be changed every 2-3 years or as specified in the service manual. Ensure all components are clean and free of debris, and always use genuine BMW parts for optimal performance.
Q3 How do I install or replace brakes on a 2003-2010 BMW 650i?
How do I install or replace brakes on a 2003-2010 BMW 650i?
To replace brakes on a 2003-2010 BMW 650i, lift the vehicle safely and remove the wheels. Remove the caliper by loosening the bolts, then carefully lift it off and secure it with wire. Remove the old rotor and inspect the hub for debris. Install the new rotor, ensuring it is clean and properly seated. Reinstall the caliper, tightening bolts in a star pattern. Bleed the brake system if necessary and test the brakes thoroughly before driving.
Q4 How do I troubleshoot common brake issues on a 2003-2010 BMW 650i?
How do I troubleshoot common brake issues on a 2003-2010 BMW 650i?
Common brake issues include a spongy brake pedal, grinding noises, or vibration during braking. Check for air in the brake system, worn brake pads, or warped rotors. Inspect brake fluid levels and condition, and ensure all connections are secure. If issues persist, use a scan tool to check for DSC or ABS system faults. Always refer to the service manual for detailed diagnostic procedures.
Q5 How can I optimize the performance of the brakes on a 2003-2010 BMW 650i?
How can I optimize the performance of the brakes on a 2003-2010 BMW 650i?
For optimal brake performance on a 2003-2010 BMW 650i, use high-quality brake pads designed for your driving conditions. Consider upgrading to performance rotors with cross-drilled or slotted designs for improved heat dissipation. Ensure proper brake fluid levels and use a high-temperature rated DOT 4 fluid. Regularly clean brake components and avoid excessive heat buildup by maintaining a consistent driving style. Upgrade to stainless steel brake lines for firmer pedal feel.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2003-2010 BMW 650i Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2003-2010 BMW 650i.
BMW Technical Service Bulletin (TSB) SI B62 02 07
Coming SoonTechnical bulletin addressing brake system updates and improvements for the 2003-2010 BMW 6 Series.
BMW Parts Catalog for 6 Series (E63/E64)
Coming SoonDetailed catalog of genuine BMW parts for the 2003-2010 BMW 650i, including brake components.
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Technical Information
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