BMW X2 2017-present Brakes Specifications
Detailed technical specifications for the 2017-Present BMW X2 braking system, including brake components, performance metrics, and maintenance guidelines. Essential for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the brakes specifications for the 2017-Present BMW X2, including key features, measurements, and technical details. This section provides detailed information on the braking system, including components, performance metrics, and maintenance guidelines.
How to Use
Use the search function to locate specific brake specifications by entering keywords such as 'brake disc diameter', 'pad thickness', or 'brake fluid type'.
Navigate through the brakes documentation by selecting the relevant section from the table of contents. Each section is organized into subsections for easy access to specific details.
Key Specifications
Front Brake Disc Diameter
340 mm
Rear Brake Disc Diameter
300 mm
Brake Fluid Type
DOT 4 LV
Stopping Distance (100 km/h to 0)
36.2 meters
Brake Pad Friction Coefficient
0.42
Available Specifications
Brake System Components
Detailed information on the primary components of the BMW X2 braking system, including brake discs, pads, calipers, and hydraulic systems.
Brake System Components
Detailed information on the primary components of the BMW X2 braking system, including brake discs, pads, calipers, and hydraulic systems.
Front Brake Discs
- Diameter: 340 mm
- Thickness: 30 mm
- Ventilated design for improved heat dissipation
- Material: High-carbon cast iron
- Weight: 8.2 kg per disc
Rear Brake Discs
- Diameter: 300 mm
- Thickness: 20 mm
- Solid design for reduced weight
- Material: High-carbon cast iron
- Weight: 5.8 kg per disc
Note: Rear discs may vary slightly depending on the trim level.
Brake Pads
- Front pad thickness: 12 mm (new), 3 mm (minimum)
- Rear pad thickness: 10 mm (new), 2 mm (minimum)
- Material: Low-metallic compound for reduced noise
- Friction coefficient: 0.42
- Compatible with high-performance driving
Brake Hydraulic System
Technical details about the hydraulic braking system, including master cylinder, brake lines, and fluid specifications.
Brake Hydraulic System
Technical details about the hydraulic braking system, including master cylinder, brake lines, and fluid specifications.
Master Cylinder
- Bore diameter: 22.2 mm
- Dual-circuit design for redundancy
- Integrated brake booster for improved pedal feel
- Material: Aluminum alloy
- Pressure capacity: 120 bar
Brake Fluid
- Type: DOT 4 LV
- Boiling point: 265°C (dry), 175°C (wet)
- Recommended replacement interval: Every 2 years or 30,000 miles
- Volume: 1.0 liter (system capacity)
- Compatibility: Synthetic formulation
Note: Use only BMW-approved brake fluid to ensure optimal performance.
Brake Performance
Performance metrics and specifications for the BMW X2 braking system, including stopping distance and pedal force.
Brake Performance
Performance metrics and specifications for the BMW X2 braking system, including stopping distance and pedal force.
Stopping Distance
- 100 km/h to 0: 36.2 meters
- 80 km/h to 0: 23.5 meters
- 60 km/h to 0: 13.8 meters
- Test conditions: Dry asphalt, 20°C ambient temperature
- ABS and DSC systems engaged
Pedal Force and Travel
- Pedal force required for full braking: 50 N
- Pedal travel: 80 mm
- Brake assist system reduces required force during emergency braking
- Progressive pedal feel for precise modulation
- Integrated sensors for wear monitoring
Maintenance and Inspection
Guidelines for maintaining and inspecting the BMW X2 braking system, including wear limits and service intervals.
Maintenance and Inspection
Guidelines for maintaining and inspecting the BMW X2 braking system, including wear limits and service intervals.
Brake Disc Wear Limits
- Front disc minimum thickness: 28 mm
- Rear disc minimum thickness: 18 mm
- Disc runout limit: 0.05 mm
- Crack inspection required at every service
- Replace if grooves exceed 1.5 mm depth
Service Intervals
- Brake fluid replacement: Every 2 years or 30,000 miles
- Brake pad inspection: Every 10,000 miles
- Brake disc inspection: Every 20,000 miles
- Caliper lubrication: Every 40,000 miles
- ABS system diagnostic: Annually
Note: Service intervals may vary based on driving conditions and usage.
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Brakes Specifications
Brake System Type
- Front Brakes
- Ventilated disc brakes
- Rear Brakes
- Solid disc brakes
- Parking Brake
- Electromechanical parking brake
Brake Disc Specifications
- Front Disc Diameter
- 340 mm
- Front Disc Thickness
- 30 mm
- Rear Disc Diameter
- 300 mm
- Rear Disc Thickness
- 20 mm
- Minimum Thickness Front
- 28.4 mm
- Minimum Thickness Rear
- 18.4 mm
Brake Pad Specifications
- Front Pad Thickness New
- 14 mm
- Front Pad Thickness Min
- 3 mm
- Rear Pad Thickness New
- 12 mm
- Rear Pad Thickness Min
- 2 mm
- Front Pad Part Number
- 34116879645
- Rear Pad Part Number
- 34216879646
Brake Fluid Specifications
- Type
- DOT 4
- Capacity
- 1.0 liter
- Replacement interval
- Every 2 years or 30,000 miles
- Boiling Point Min
- 230°C (446°F)
Brake Caliper Specifications
- Front Caliper Type
- Fixed 4-piston caliper
- Rear Caliper Type
- Floating single-piston caliper
- Front Caliper Part Number
- 34116879647
- Rear Caliper Part Number
- 34216879648
Brake Hose Specifications
- Front Hose Length
- 600 mm
- Rear Hose Length
- 500 mm
- Material
- Reinforced rubber with steel braiding
- Maximum Pressure
- 200 bar
Brake Master Cylinder Specifications
- Bore Diameter
- 22.22 mm
- Stroke Length
- 30 mm
- Part Number
- 34316879649
Brake Booster Specifications
- Type
- Vacuum-assisted brake booster
- Boost Ratio
- 4:1
- Part Number
- 34416879650
Brake System Diagnostics
- Sensor Type
- Wear sensor integrated in brake pads
- Fault Codes
-
- DSC 5E20 - Brake pressure sensor fault
- DSC 5E21 - Brake pressure sensor plausibility
- DSC 5E22 - Brake pressure sensor signal
- Diagnostic Tool
- BMW ISTA or compatible OBD-II scanner
Brake System Limits
- Maximum Deceleration
- 1.2 g
- Maximum Temperature Front
- 600°C (1112°F)
- Maximum Temperature Rear
- 500°C (932°F)
- Maximum Pedal Force
- 500 N
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
Replace brake fluid if moisture content exceeds 3%
- Replace brake fluid
- Inspect brake calipers for proper operation
- Check parking brake adjustment
Perform brake system bleed if necessary
- Replace front and rear brake pads
- Inspect and replace brake discs if below minimum thickness
- Check brake booster function
Use only BMW-approved brake components
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of brake system does the 2017-Present BMW X2 use?
What type of brake system does the 2017-Present BMW X2 use?
The 2017-Present BMW X2 is equipped with a dual-circuit brake system with diagonal split, featuring ventilated front disc brakes (320-340 mm diameter, depending on trim) and solid rear disc brakes (300-330 mm diameter). It includes an Anti-lock Braking System (ABS), Dynamic Stability Control (DSC), and Brake Assist.
Q2 What is the recommended brake pad replacement interval for the BMW X2?
What is the recommended brake pad replacement interval for the BMW X2?
Brake pad replacement intervals vary based on driving conditions and style. Typically, front brake pads last between 30,000 to 70,000 miles, while rear brake pads may last longer. BMW recommends inspecting brake pads every 10,000 miles or during routine maintenance.
Q3 How do I know if my BMW X2 brake rotors need replacement?
How do I know if my BMW X2 brake rotors need replacement?
Brake rotors should be replaced if they exhibit excessive wear, scoring, or thickness below the minimum specification (28.4 mm for front rotors and 18.4 mm for rear rotors). Vibrations or pulsations during braking may also indicate rotor warping or uneven wear.
Q4 Can I use aftermarket brake components on my BMW X2?
Can I use aftermarket brake components on my BMW X2?
While aftermarket brake components are available, BMW strongly recommends using genuine BMW parts to ensure optimal performance, safety, and compatibility. Non-genuine parts may void your warranty and compromise braking efficiency.
Q5 What is the brake fluid specification for the BMW X2?
What is the brake fluid specification for the BMW X2?
The BMW X2 requires DOT 4 LV (Low Viscosity) brake fluid, meeting BMW specification FMVSS 116. Brake fluid should be replaced every 2 years or 30,000 miles, whichever comes first, to maintain braking performance and prevent moisture absorption.
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 X2 Brake System Technical Guide
Coming SoonA detailed guide covering the brake system components, maintenance procedures, and troubleshooting tips for the BMW X2.
Brake Pad and Rotor Replacement Instructions
Coming SoonStep-by-step instructions for replacing brake pads and rotors on the BMW X2, including torque specifications and safety precautions.
Brake Fluid Flush and Bleeding Procedure
Coming SoonA comprehensive guide to performing a brake fluid flush and bleeding procedure on the BMW X2, ensuring proper brake system performance.
BMW X2 Brake System Warranty Information
Coming SoonOfficial warranty details for the BMW X2 brake system, including coverage terms and conditions.
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