BMW 650i 2012-2017 Brakes Specifications
Comprehensive technical specifications for the 2012-2017 BMW 650I brake system, including detailed information on brake discs, pads, calipers, and hydraulic systems. Ideal for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the brakes specifications for the 2012-2017 BMW 650I, including key features, measurements, and technical details
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Key Specifications
Front Brake Disc Diameter
374 mm
Rear Brake Disc Diameter
345 mm
Front Brake Pad Thickness (New)
12 mm
Brake Fluid Capacity
1.0 L
60-0 mph Stopping Distance
110 ft
Available Specifications
Brake System Overview
Detailed description of the brake system components and their functions
Brake System Overview
Detailed description of the brake system components and their functions
Brake Discs
- Front brake disc diameter: 374 mm
- Rear brake disc diameter: 345 mm
- Front brake disc thickness: 36 mm
- Rear brake disc thickness: 24 mm
- Material: High-carbon cast iron with anti-corrosion coating
Brake Pads
- Front brake pad thickness (new): 12 mm
- Rear brake pad thickness (new): 10 mm
- Material: Low-metallic compound for reduced dust and noise
- Wear sensor integrated for pad replacement indication
Note: Brake pads should be inspected every 10,000 miles for wear and tear.
Brake Hydraulics
Technical details of the hydraulic brake system components
Brake Hydraulics
Technical details of the hydraulic brake system components
Brake Calipers
- Front caliper type: Fixed 4-piston aluminum calipers
- Rear caliper type: Floating 2-piston aluminum calipers
- Caliper piston diameter (front): 44 mm
- Caliper piston diameter (rear): 38 mm
Brake Lines
- Material: Stainless steel braided lines
- Front brake line length: 1.2 m
- Rear brake line length: 1.5 m
- Pressure rating: 200 bar
Note: Brake lines should be inspected for cracks or leaks during routine maintenance.
Brake Performance
Performance metrics and specifications for the braking system
Brake Performance
Performance metrics and specifications for the braking system
Stopping Distance
- 60-0 mph stopping distance: 110 ft
- 100-0 km/h stopping distance: 35 m
- Deceleration rate: 1.2 g
Brake Fluid
- Recommended brake fluid: DOT 4
- Brake fluid capacity: 1.0 L
- Boiling point (dry): 230°C
- Boiling point (wet): 155°C
Note: Brake fluid should be replaced every 2 years or 30,000 miles, whichever comes first.
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Brakes Specifications
Brake System Type
- Front Brakes
- Ventilated disc brakes
- Rear Brakes
- Ventilated disc brakes
- Parking Brake
- Electromechanical parking brake
Brake Disc Specifications
- Front Disc Diameter
- 374 mm
- Front Disc Thickness
- 36 mm
- Rear Disc Diameter
- 345 mm
- Rear Disc Thickness
- 24 mm
- Disc Material
- Cast iron with anti-corrosion coating
- Minimum Thickness Front
- 34 mm
- Minimum Thickness Rear
- 22 mm
Brake Pad Specifications
- Front Pad Material
- Low-metallic compound
- Rear Pad Material
- Low-metallic compound
- Front Pad Thickness New
- 12 mm
- Rear Pad Thickness New
- 10 mm
- Minimum Pad Thickness Front
- 3 mm
- Minimum Pad Thickness Rear
- 3 mm
- Part Number Front
- 34116865477
- Part Number Rear
- 34216865478
Brake Fluid Specifications
- Type
- DOT 4 LV
- Capacity
- 1.0 liter
- Boiling Point Dry
- 260°C
- Boiling Point Wet
- 165°C
- Replacement interval
- Every 2 years or 30,000 miles
Brake Caliper Specifications
- Front Caliper Type
- Fixed 4-piston aluminum caliper
- Rear Caliper Type
- Floating single-piston aluminum caliper
- Front Caliper Part Number
- 34116865479
- Rear Caliper Part Number
- 34216865480
Brake Hose Specifications
- Material
- Reinforced rubber with steel braiding
- Front Hose Length
- 450 mm
- Rear Hose Length
- 600 mm
- Maximum Pressure Rating
- 200 bar
Parking Brake Specifications
- Type
- Electromechanical
- Actuation
- Automatic via button or manual override
- Parking Brake Shoe Thickness New
- 5 mm
- Minimum Shoe Thickness
- 2 mm
- Part Number Shoes
- 34416865481
Brake System Operational Parameters
- Maximum Brake Pressure
- 200 bar
- Brake Pedal Travel
- 50-70 mm
- Brake Force Distribution
- 60% front, 40% rear
- Brake Assist System
- Dynamic Brake Control (DBC)
Brake System Diagnostic Specifications
- Fault Codes
-
- DSC 5E20: Brake pressure sensor fault
- DSC 5E21: Brake pressure sensor plausibility
- DSC 5E22: Brake pressure sensor signal
- Diagnostic Tool
- BMW ISTA/D
- Sensor Types
-
- Brake pressure sensor
- Wheel speed sensor
- Parking brake actuator sensor
Brake System Maintenance
- Pad Replacement interval
- Every 30,000-50,000 miles
- Disc Replacement interval
- Every 60,000-80,000 miles
- Brake Fluid Flush interval
- Every 2 years or 30,000 miles
- Parking Brake Adjustment Interval
- Every 50,000 miles
- inspection Interval
- Every 10,000 miles
Service Information Service
Detailed service requirements and schedules for the brake system
- Inspect brake pads and discs for wear
- Check brake fluid level and condition
- Inspect brake hoses for leaks or damage
Perform visual inspection and report any abnormalities
- Replace brake fluid
- Inspect parking brake system
- Check brake caliper operation
Brake fluid replacement is mandatory every 2 years
- Replace brake discs if below minimum thickness
- Replace brake pads if below minimum thickness
- Inspect and adjust parking brake shoes
Ensure all components meet BMW specifications
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the recommended brake pad thickness for the 2012-2017 BMW 650i?
What is the recommended brake pad thickness for the 2012-2017 BMW 650i?
The recommended minimum brake pad thickness for the 2012-2017 BMW 650i is 3mm. Below this thickness, the brake pads should be replaced to ensure optimal braking performance and safety. Always use genuine BMW brake pads or equivalent high-quality aftermarket parts.
Q2 What type of brake fluid is recommended for the BMW 650i?
What type of brake fluid is recommended for the BMW 650i?
The 2012-2017 BMW 650i requires DOT 4 brake fluid with a minimum dry boiling point of 446°F (230°C) and a wet boiling point of 311°F (155°C). BMW recommends using their proprietary brake fluid (part number 81 22 2 282 750) or an equivalent high-performance DOT 4 fluid.
Q3 How often should the brake fluid be replaced on a BMW 650i?
How often should the brake fluid be replaced on a BMW 650i?
BMW recommends replacing the brake fluid every 2 years or 30,000 miles, whichever comes first. This ensures the brake system maintains optimal performance and prevents moisture buildup, which can lower the boiling point of the fluid and reduce braking efficiency.
Q4 What is the rotor thickness specification for the front and rear brakes?
What is the rotor thickness specification for the front and rear brakes?
For the 2012-2017 BMW 650i, the front brake rotors have a minimum thickness specification of 28.4mm (new thickness is 30.4mm), and the rear brake rotors have a minimum thickness of 18.4mm (new thickness is 20.4mm). Rotors should be replaced if they are worn below these specifications or show signs of warping or cracking.
Q5 Can I use aftermarket brake components on my BMW 650i?
Can I use aftermarket brake components on my BMW 650i?
While aftermarket brake components can be used, BMW strongly recommends using genuine BMW parts or high-quality equivalents that meet or exceed OEM specifications. Using substandard parts may compromise braking performance, safety, and could void your vehicle's warranty.
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 Brake System Overview
Coming SoonDetailed guide on the brake system components, maintenance schedules, and troubleshooting tips for the 2012-2017 BMW 650i.
Brake Pad Replacement Procedure
Coming SoonStep-by-step instructions for replacing brake pads on the 2012-2017 BMW 650i, including torque specifications and safety precautions.
Brake Fluid Flush and Replacement Guide
Coming SoonComprehensive guide on performing a brake fluid flush and replacement for the 2012-2017 BMW 650i, including recommended tools and fluid specifications.
Brake Rotor Inspection and Replacement
Coming SoonInstructions for inspecting and replacing brake rotors on the 2012-2017 BMW 650i, including minimum thickness specifications and torque values.
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