BMW X4 2014-2018 Brakes Specifications
Find detailed brake specifications for the 2014-2018 BMW X4, including rotor sizes, caliper types, and brake pad requirements. Perfect for maintenance, repair, or upgrades.
2014-2018 BMW X4 Brakes Overview Specifications
This document provides a detailed overview of the brake specifications for the 2014-2018 BMW X4. It includes technical details, components, and performance features. Use this guide to understand the braking system, its components, and how to maintain or upgrade your vehicle's brakes. Navigate through the sections for in-depth information or use the quick reference for key specifications.
How to Use
To find specific information, use the search functionality by typing keywords related to the brake components or features you are looking for.
Navigate through the sections by expanding each major category. Each section contains detailed subsections with technical points. Use the quick reference section for fast access to key specifications.
Key Specifications
Front Brake Rotor Size
350mm
Rear Brake Rotor Size
330mm
Front Caliper Piston Count
4-piston
Rear Caliper Piston Count
2-piston
Anti-lock Braking System (ABS)
Standard
Available Specifications
Brake System Overview
This section provides a general overview of the braking system in the 2014-2018 BMW X4, including key components and features.
Brake System Overview
This section provides a general overview of the braking system in the 2014-2018 BMW X4, including key components and features.
Key Components
- Front and rear disc brakes with vented rotors
- 4-piston fixed calipers at the front
- 2-piston fixed calipers at the rear
- Anti-lock Braking System (ABS)
- Electronic Brakeforce Distribution (EBD)
- Brake Assist
Brake System Features
- Regenerative braking system
- Automatic Brake Drying function
- Start-Off Assistant (hill start assist)
- Emergency braking preparation
- Wear indicators for brake pads
Front Brake Components
This section details the specifications of the front brake components in the 2014-2018 BMW X4.
Front Brake Components
This section details the specifications of the front brake components in the 2014-2018 BMW X4.
Front Brake Discs
- Vented disc type
- 350mm diameter
- 30mm thickness
- Dual-servo design
- High-carbon content for improved heat dissipation
Front Brake Calipers
- 4-piston fixed calipers
- Aluminum construction
- Floating caliper design
- Rigid mounting for consistent braking performance
- High-friction brake pads
Rear Brake Components
This section details the specifications of the rear brake components in the 2014-2018 BMW X4.
Rear Brake Components
This section details the specifications of the rear brake components in the 2014-2018 BMW X4.
Rear Brake Discs
- Solid disc type
- 330mm diameter
- 20mm thickness
- Precision-machined surface
- Corrosion-resistant coating
Rear Brake Calipers
- 2-piston fixed calipers
- Aluminum construction
- Floating caliper design
- Integrated parking brake function
- Low-dust brake pads
Brake Performance Features
This section highlights the advanced performance features of the braking system in the 2014-2018 BMW X4.
Brake Performance Features
This section highlights the advanced performance features of the braking system in the 2014-2018 BMW X4.
Advanced Braking Features
- Dynamic Brake Control (DBC)
- Adaptive Brake Lights
- Automatic Emergency Braking (AEB)
- Cornering Brake Control (CBC)
- Brake Mode settings (Comfort, Sport, etc.)
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Brakes Specifications
Overview
- Type
- Ventilated disc brakes front, Solid disc brakes rear
- Configuration
- Dual-circuit braking system with diagonally split circuits
- Platform
- BMW X4 (F26)
- Material
- Cast iron rotors, Aluminum calipers
- Location
- Front and rear axle
Dimensions
- Front Rotor Diameter
- 13.7 in (348 mm)
- Front Rotor Thickness
- 1.2 in (30 mm)
- Rear Rotor Diameter
- 12.8 in (325 mm)
- Rear Rotor Thickness
- 0.9 in (22 mm)
- Front Pad Area
- 43.2 sq in (278 cm2)
- Rear Pad Area
- 29.5 sq in (191 cm2)
- Slot Size
- 0.16 in (4 mm)
Materials
- Rotors
- Cast iron with corrosion-resistant coating
- Brake Pads
- High-friction organic compound
- Calipers
- Aluminum alloy
- Brake Lines
- Stainless steel reinforced rubber hoses
Features
- Performance
-
- Dynamic Brake Control
- Cornering Brake Control
- Adaptive Brake Assist
- Electronic Brakeforce Distribution
- Automatic emergency brake drying
- Convenience
-
- Automatic Hold function
- Hill Descent Control
- Brake Fade Compensation
- Soft Stop function
- Design
-
- Floating-caliper design
- Internally ventilated rotors
- Piston-type front calipers
- Rear caliper with integrated parking brake
Safety Features
- Emergency Braking
-
- Automatic emergency braking
- Emergency Brake Assist
- Stability Control
-
- Dynamic Stability Control (DSC)
- Anti-lock Braking System (ABS)
- Traction Control System (TCS)
- Parking Brake
-
- Electronic parking brake
- Auto Hold function
- Manual release mechanism
Comfort Features
- Assist Systems
-
- Brake Assist
- Start-off Assistant
- Hill Descent Control
- Noise Reduction
-
- Rotors with noise-dampening coating
- Pads with wear sensors
- Caliper piston seals with silent operation
- Convenience
-
- One-touch brake hold
- Automatic brake pad wear compensation
Accessories
- Upgrade Options
-
- High-performance brake pads
- Cross-drilled rotors
- Steel brake lines
- Ceramic brake pads
- Maintenance Kits
-
- Brake pad wear sensor kit
- Rotor resurfacing kit
- Brake fluid flush kit
- Replacement Parts
-
- OEM rotor replacement set
- OEM brake pad set
- Brake caliper repair kit
Maintenance
- Service interval
- Every 12,000 miles (19,312 km) or 12 months
- Common Maintenance
-
- Brake fluid check
- Pad wear inspection
- Rotor condition check
- Brake line inspection
- Parking brake adjustment
- Notes
- Replace brake pads when wear reaches 1/8 inch (3 mm) or when sensor indicates wear
Warranty
- Brake Pads
- Miles: 12,000 milesYears: 1 yearCoverage: Wear-related defects only
- Rotors
- Miles: 50,000 milesYears: 4 yearsCoverage: Manufacturing defects only
- Calipers
- Miles: 50,000 milesYears: 4 yearsCoverage: Manufacturing defects only
- General
- Miles: 50,000 milesYears: 4 yearsCoverage: Brake system components manufacturing defects
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- High-strength casting for rotors
- Precision machining for calipers
- Thermal treatment for rotor durability
- Dynamic balancing for rotors
- Quality Control
- inspection: Dimensional and surface quality checksTesting: Functional testing of braking performanceCertifications: Compliance with FMVSS 135 standards
- Sustainability Practices
- Recyclable materials used in calipers and rotors
- Production Metrics
- Rotor Tolerances: Machined to ±0.001 in (±0.025 mm)Caliper Seal Leakage: Max leakage < 0.1 ml/minPad Coefficient Variation: ±5% of nominal friction coefficient
Service Information for brakes Service
Maintenance and service requirements specific to BMW X4 brakes
- Inspect brake pads for wear
- Check rotor condition and measure thickness
- Inspect brake lines for damage or leaks
- Test brake fluid for moisture content
- Visual inspection of calipers and mounting hardware
Check brake pad wear sensors and replace if faulty
- Replace brake pads if worn below 1/8 inch
- Clean and lubricate brake caliper slides
- Inspect parking brake function
- Check ABS sensor operation
- Brake fluid flush and replacement
Use BMW-approved brake fluid (DOT 4)
- Replace front and rear rotors if warped or worn
- Inspect and replace brake lines if necessary
- Service parking brake cables
- Perform dynamic brake test
- Check brake system for leaks
Use manufacturer-approved tools for rotor resurfacing
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes for the 2014-2018 BMW X4?
What are the technical specifications of the brakes for the 2014-2018 BMW X4?
The 2014-2018 BMW X4 features ventilated disc brakes front and rear. Front rotors are 13.7 inches (348 mm) in diameter, while rear rotors are 12.9 inches (330 mm). Brake calipers are 4-piston front and 2-piston rear. Compatible brake pads include BMW OEM or equivalent aftermarket options. Always ensure compatibility with your specific model year and trim (e.g., xDrive28i, xDrive35i).
Q2 What maintenance is required for the brakes on a 2014-2018 BMW X4?
What maintenance is required for the brakes on a 2014-2018 BMW X4?
Regular brake maintenance for the 2014-2018 BMW X4 includes inspecting brake pads every 5,000 miles and rotors every 12,500 miles. Brake fluid should be checked every 15,000 miles and flushed every 30,000 miles. Clean brake components and ensure proper lubrication of moving parts. Address any brake system warnings promptly to avoid damage.
Q3 How do I install or replace brakes on a 2014-2018 BMW X4?
How do I install or replace brakes on a 2014-2018 BMW X4?
To replace brakes on a 2014-2018 BMW X4, start by safely lifting the vehicle and removing the wheels. Remove the caliper, taking care not to damage the brake hose. Remove the old rotor and install the new one. Replace the brake pads, ensuring proper alignment. Reinstall the caliper and bleed the brake system if necessary. Test the brakes thoroughly before driving.
Q4 How do I troubleshoot common brake issues in a 2014-2018 BMW X4?
How do I troubleshoot common brake issues in a 2014-2018 BMW X4?
Common brake issues include spongy brake pedals, squeaking noises, or dashboard warnings. Check brake fluid levels and inspect for leaks. Inspect pads and rotors for wear. If the ABS light is on, use an OBD-II scanner to diagnose the issue. Address any problems promptly to ensure safety and prevent further damage.
Q5 How can I optimize the performance of my BMW X4 brakes?
How can I optimize the performance of my BMW X4 brakes?
For optimal brake performance in your 2014-2018 BMW X4, use high-performance brake pads and rotors. Ensure proper bedding-in of new brakes by gradually increasing stopping force. Maintain clean brake components and check for even wear. Consider upgrading to ceramic pads for reduced dust and noise.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2014-2018 BMW X4 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the BMW X4.
Technical Bulletin: Brake Pad Wear Update
Coming SoonOfficial update on brake pad wear inspection and replacement procedures for 2014-2018 models.
BMW X4 Parts Catalog
Coming SoonDetailed listing of genuine BMW parts and accessories for the X4 model range.
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