BMW X5 2013-2018 Brakes Specifications
Detailed technical specifications and service information for the 2013-2018 BMW X5 brake system. Includes brake components, torque values, maintenance guidelines, and diagnostic procedures.
Overview Specifications
Comprehensive description of the brakes specifications for the 2013-2018 BMW X5, including key features, measurements, and technical details. This section covers the braking system's components, performance metrics, and maintenance guidelines.
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Key Specifications
Front Rotor Diameter
348 mm (13.7 in)
Rear Rotor Diameter
345 mm (13.58 in)
Brake Fluid Type
DOT 4 LV
Stopping Distance (100-0 km/h)
36.5 meters (120 ft)
Maximum Deceleration
1.2 g
Available Specifications
Brake System Components
This section provides detailed information about the primary components of the BMW X5 braking system, including rotors, calipers, pads, and brake lines.
Brake System Components
This section provides detailed information about the primary components of the BMW X5 braking system, including rotors, calipers, pads, and brake lines.
Front Brake Rotors
- Diameter: 348 mm (13.7 in)
- Thickness: 30 mm (1.18 in)
- Material: High-carbon cast iron
- Ventilation: Cross-drilled and vented for improved heat dissipation
Rear Brake Rotors
- Diameter: 345 mm (13.58 in)
- Thickness: 24 mm (0.94 in)
- Material: High-carbon cast iron
- Ventilation: Solid design with internal cooling fins
Note: Rear rotors are designed for balanced braking performance and reduced weight.
Brake Pad Specifications
This section outlines the technical details of the brake pads used in the 2013-2018 BMW X5, including material composition and wear indicators.
Brake Pad Specifications
This section outlines the technical details of the brake pads used in the 2013-2018 BMW X5, including material composition and wear indicators.
Front Brake Pads
- Material: Low-metallic ceramic compound
- Thickness (new): 12 mm (0.47 in)
- Minimum thickness: 3 mm (0.12 in)
- Wear sensor: Integrated electronic wear indicator
Rear Brake Pads
- Material: Semi-metallic compound
- Thickness (new): 10 mm (0.39 in)
- Minimum thickness: 2 mm (0.08 in)
- Wear sensor: Integrated electronic wear indicator
Brake Fluid and Hydraulics
This section covers the brake fluid specifications and hydraulic system details, including master cylinder and ABS system information.
Brake Fluid and Hydraulics
This section covers the brake fluid specifications and hydraulic system details, including master cylinder and ABS system information.
Brake Fluid
- Type: DOT 4 LV (Low Viscosity)
- Capacity: 1.0 liter (33.8 fl oz)
- Boiling point (dry): 260°C (500°F)
- Boiling point (wet): 160°C (320°F)
Hydraulic System
- Master cylinder diameter: 25.4 mm (1 in)
- ABS system: Bosch 9.1 with dynamic brake control
- Brake line pressure: 120 bar (1740 psi)
- Pedal ratio: 4.2:1
Note: The hydraulic system is designed for precise brake modulation and enhanced safety.
Brake Performance Metrics
This section provides performance metrics for the braking system, including stopping distances and deceleration rates.
Brake Performance Metrics
This section provides performance metrics for the braking system, including stopping distances and deceleration rates.
Stopping Distance
- From 100 km/h (62 mph): 36.5 meters (120 ft)
- From 60 km/h (37 mph): 14.2 meters (46.6 ft)
- From 30 km/h (19 mph): 3.8 meters (12.5 ft)
Deceleration Rates
- Maximum deceleration: 1.2 g
- Average deceleration (100-0 km/h): 10.5 m/s²
- Pedal force required: 50 N (11.2 lbf)
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Brakes Specifications
Brake Type
- Front Brakes
- Ventilated disc brakes
- Rear Brakes
- Solid disc brakes
- Parking Brake
- Electromechanical parking brake
Brake Discs
- Front Disc Diameter
- 348 mm
- Front Disc Thickness
- 30 mm
- Rear Disc Diameter
- 345 mm
- Rear Disc Thickness
- 24 mm
- Minimum Thickness Front
- 28.4 mm
- Minimum Thickness Rear
- 22.4 mm
- Part Number Front
- 34116793871
- Part Number Rear
- 34216793872
Brake Pads
- Front Pad Thickness New
- 14 mm
- Front Pad Thickness Min
- 3 mm
- Rear Pad Thickness New
- 12 mm
- Rear Pad Thickness Min
- 3 mm
- Part Number Front
- 34116858963
- Part Number Rear
- 34216858964
Brake Fluid
- Type
- DOT 4
- Capacity
- 1.0 liter
- Replacement interval
- Every 2 years or 30,000 miles
- Boiling Point Min
- 230°C
- Boiling Point Wet
- 155°C
Brake Caliper
- Front Caliper Type
- Floating caliper
- Rear Caliper Type
- Fixed caliper
- Piston Diameter Front
- 60 mm
- Piston Diameter Rear
- 42 mm
- Part Number Front
- 34116793873
- Part Number Rear
- 34216793874
Brake Lines
- Material
- Stainless steel braided
- Front Line Length
- 1200 mm
- Rear Line Length
- 1100 mm
- Pressure Rating
- 2000 psi
Brake Booster
- Type
- Vacuum-assisted
- Booster Diameter
- 250 mm
- Part Number
- 34316793875
Parking Brake System
- Type
- Electromechanical
- Actuation
- Automatic
- Part Number Motor
- 34416793876
- Part Number Switch
- 34416793877
Brake Wear Sensors
- Front Sensor Part Number
- 34356793878
- Rear Sensor Part Number
- 34356793879
- Resistance New
- 0.5 ohms
- Resistance Worn
- 1.5 ohms
Brake System Diagnostics
- 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
- Test Procedures
-
- Check brake fluid level
- Inspect brake pad thickness
- Test brake pressure sensor
Service Information Service
Detailed service requirements and schedules for the brake system
- Inspect brake pad thickness
- Check brake fluid level
- Inspect brake discs for wear
Replace brake fluid every 2 years or 30,000 miles
- Replace brake fluid
- Inspect brake lines for leaks
- Check parking brake function
Ensure all brake components are within specified tolerances
- Replace brake pads if necessary
- Inspect brake calipers for proper operation
- Check brake booster function
Replace brake discs if below minimum thickness
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the recommended brake pad thickness for the 2013-2018 BMW X5?
What is the recommended brake pad thickness for the 2013-2018 BMW X5?
The recommended minimum brake pad thickness for the 2013-2018 BMW X5 is 3mm. Below this thickness, the brake pads should be replaced to ensure optimal braking performance and safety. Front brake pads typically measure 12mm when new, while rear brake pads measure 10mm when new.
Q2 What type of brake fluid is recommended for the 2013-2018 BMW X5?
What type of brake fluid is recommended for the 2013-2018 BMW X5?
BMW recommends using DOT 4 brake fluid for the 2013-2018 BMW X5. The brake fluid should meet BMW specification FMVSS 116 DOT 4. It is crucial to replace the brake fluid every 2 years or 30,000 miles, whichever comes first, to maintain braking efficiency and prevent moisture absorption.
Q3 How often should the brake rotors be inspected or replaced on a 2013-2018 BMW X5?
How often should the brake rotors be inspected or replaced on a 2013-2018 BMW X5?
Brake rotors should be inspected every 10,000 miles or during routine maintenance. Replacement is necessary if the rotor thickness falls below the minimum specification: 28.4mm for front rotors and 18.4mm for rear rotors. Warping, scoring, or excessive wear also warrant rotor replacement.
Q4 What is the torque specification for the brake caliper bolts on a 2013-2018 BMW X5?
What is the torque specification for the brake caliper bolts on a 2013-2018 BMW X5?
The torque specification for the brake caliper bolts on the 2013-2018 BMW X5 is 81 Nm (60 lb-ft) for the front calipers and 35 Nm (26 lb-ft) for the rear calipers. Always use a calibrated torque wrench and follow BMW's tightening sequence to ensure proper installation.
Q5 Can I use aftermarket brake components on my 2013-2018 BMW X5?
Can I use aftermarket brake components on my 2013-2018 BMW X5?
While aftermarket brake components may be compatible, BMW strongly recommends using genuine BMW parts or OEM-equivalent parts that meet BMW's specifications. Using non-approved components may compromise braking performance, safety, and warranty coverage.
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 X5 Brake System Service Manual
Coming SoonOfficial BMW service manual detailing brake system maintenance, repair procedures, and specifications for the 2013-2018 X5.
Brake Fluid Replacement Guide
Coming SoonStep-by-step guide for replacing brake fluid in the 2013-2018 BMW X5, including safety precautions and recommended tools.
Brake Pad and Rotor Replacement Tutorial
Coming SoonComprehensive tutorial for replacing brake pads and rotors on the 2013-2018 BMW X5, including torque specifications and alignment tips.
BMW Brake System Troubleshooting
Coming SoonDiagnostic guide for common brake system issues in the 2013-2018 BMW X5, such as squeaking, vibration, and reduced braking performance.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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