BMW Z4 2018-present Brakes Specifications
Discover the detailed brake specifications for the 2018-Present BMW Z4 (G29). Learn about rotor sizes, calipers, ABS, and more for maintenance, repair, or upgrade purposes.
Brake System Overview Specifications
This document provides a comprehensive overview of the brake system specifications for the 2018-Present BMW Z4. It includes detailed information about brake components, performance metrics, and maintenance recommendations. Use this guide to understand the technical aspects of the braking system, identify key specifications, and navigate through the sections for specific details.
How to Use
To find specific information, use the search functionality by typing keywords related to the brake system, such as 'brake disc size' or 'friction material'. The search will highlight relevant sections and subsections.
Navigate through the document by exploring the major sections listed in the table of contents. Each section contains subsections with detailed technical points. Use the quick reference section for key specifications at a glance.
Key Specifications
Front Brake Disc Size
330mm x 24mm
Rear Brake Disc Size
265mm x 20mm
100-0 km/h Stopping Distance
Approx. 36 meters
Brake Fluid Change Interval
Every 2 years or 30,000 miles
Brake Pad Replacement Interval
Every 30,000 to 50,000 miles
Available Specifications
General Brake Specifications
This section provides an overview of the key components and specifications of the BMW Z4's brake system, including brake types, disc sizes, and caliper details.
General Brake Specifications
This section provides an overview of the key components and specifications of the BMW Z4's brake system, including brake types, disc sizes, and caliper details.
Brake System Type
- Servo-assisted dual-circuit brake system
- Anti-lock Braking System (ABS) as standard
- Electronic Brakeforce Distribution (EBD)
- Optional M Sport braking system with larger discs
- Rear brake calipers with integral parking brake function
Brake Disc Dimensions
- Front brake discs: 330mm x 24mm
- Rear brake discs: 265mm x 20mm
- Optional M Sport front discs: 348mm x 30mm
- Optional M Sport rear discs: 300mm x 22mm
- Discs made of high-carbon cast iron for durability
Brake Performance and Safety
This section details the performance metrics and safety features of the BMW Z4's brake system, including stopping distances and advanced driver-assistance systems.
Brake Performance and Safety
This section details the performance metrics and safety features of the BMW Z4's brake system, including stopping distances and advanced driver-assistance systems.
Braking Performance
- 100-0 km/h stopping distance: ~36 meters
- 80-0 km/h stopping distance: ~43 meters
- Consistent pedal feel with progressive braking
- Optimized heat dissipation for repeated high-speed braking
- Low brake fade under heavy use
Safety Features
- Automatic Emergency Braking (AEB) as standard
- Dynamic Stability Control (DSC) with brake intervention
- Cornering Brake Control (CBC) for stability during turns
- Brake Assist for emergency stops
- Wet braking optimization
Brake Maintenance and Service
This section provides guidelines for maintaining and servicing the BMW Z4's brake system, including inspection intervals and replacement procedures.
Brake Maintenance and Service
This section provides guidelines for maintaining and servicing the BMW Z4's brake system, including inspection intervals and replacement procedures.
Maintenance Schedule
- Brake fluid change every 2 years or 30,000 miles
- Brake pad replacement every 30,000 to 50,000 miles
- Disc inspection every 12,000 miles
- Caliper and hose inspection every 30,000 miles
- Parking brake adjustment every 12,000 miles
Service Recommendations
- Use BMW-approved brake pads and discs
- Replace brake fluid with BMW Longlife brake fluid
- Clean and lubricate brake components during service
- Check for any software updates for brake systems
- Test brake system after any maintenance
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Brakes Specifications
Overview
- Type
- ventilated disc brakes front and rear
- Configuration
- 4-wheel disc brakes with floating calipers
- Platform
- BMW CLAR (Cluster Architecture)
- Material
- aluminum calipers
- Location
- front and rear axles
Dimensions
- Front Brake Rotor Diameter
- 13.0 in (330 mm)
- Front Brake Rotor Thickness
- 1.1 in (28 mm)
- Rear Brake Rotor Diameter
- 12.8 in (325 mm)
- Rear Brake Rotor Thickness
- 0.9 in (23 mm)
- Front Caliper Piston Diameter
- 4.0 in (100 mm)
- Rear Caliper Piston Diameter
- 2.4 in (60 mm)
- Brake Pad Thickness
- 0.47 in (12 mm)
Materials
- Brake Rotors
- cast iron with cross-drilling
- Calipers
- aluminum alloy
- Brake Lines
- steel reinforced rubber hoses
- Brake Pads
- organic friction material
Features
- Performance
-
- ventilated brake rotors for heat dissipation
- dynamic brake cooling ducts
- brake drying feature in rain mode
- Safety
-
- automatic emergency braking
- brake assist system
- electronic brakeforce distribution
- Comfort
-
- automatic hold function
- soft stop function for smooth braking
- brake pedal with haptic feedback
- Convenience
-
- brake wear sensors
- electronic parking brake
- hill descent control integration
Safety Features
- Anti-Lock Braking System
- Bosch ABS 8.0 with cornering brake control
- Electronic Stability Control
- Dynamic Stability Control (DSC)
- Emergency Braking
- Automatic emergency braking up to 37 mph
Comfort Features
- Automatic Hold Function
- Maintains braking on inclines
- Soft Stop Function
- Reduces jerking during low-speed braking
- Brake Pedal Feedback
- Progressive pedal feel with haptic feedback
Accessories
- High Performance
-
- M Sport brake upgrade
- cross-drilled rotor option
- performance brake pads
- Aesthetic
-
- painted brake calipers
- optional caliper colors
- logo-branded calipers
- Utility
-
- brake fluid moisture sensor
- brake wear indicator reset
- mobile app integration
Maintenance
- Service interval
- Every 12,500 miles or 12 months
- Service Items
-
- Brake fluid check
- Brake pad wear inspection
- Rotor surface inspection
- Brake hose inspection
- ABS sensor cleaning
- Maintenance Notes
- Recommended to use BMW-approved brake fluid (DOT 4)
- Replacement Schedule
- Brake Pads: Every 30,000 - 50,000 milesBrake Rotors: Every 50,000 - 70,000 milesBrake Fluid: Every 2 years or 30,000 miles
Warranty
- Basic Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Brake system components excluding wear items
- Maintenance Warranty
- Miles: 3 years or 36,000 milesYears: 3 yearsCoverage: Brake fluid and inspections
- Corrosion Warranty
- Miles: 12 yearsYears: unlimitedCoverage: Perforation of brake rotors and drums
- Roadside Assistance
- Miles: unlimitedYears: 4 yearsCoverage: Brake system-related emergencies
Production Details
- Manufacturer
- BMW Group
- Manufacturing Process
-
- Casting of brake rotors
- Machining of calipers
- Assembly of brake components
- Quality control testing
- Quality Control
- inspection: Dimensional and surface inspectionTesting: Performance and durability testingCertification: Compliance with DIN and ISO standards
- Sustainability Practices
-
- Recycling of brake materials
- Energy-efficient manufacturing
- Reduced emissions production
- Production Metrics
- Volume: Over 100,000 units annuallyPrecision: Tolerances within 0.01 mmReliability: MTBF (Mean Time Between Failures) > 100,000 miles
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads for wear
- Check brake rotors for warping or scoring
- Test brake fluid moisture levels
- Inspect brake hoses for cracks or damage
- Clean ABS sensors
Visual inspection only, no replacements unless necessary
- Replace brake fluid
- Inspect brake pads and rotors
- Check electronic brake components
- Test parking brake function
- Inspect brake lines for leaks
Recommended to use BMW-approved DOT 4 brake fluid
- Replace front and rear brake pads
- Machining or replacement of brake rotors
- Inspect and clean brake calipers
- Test ABS and DSC systems
- Replace brake hoses if necessary
Major service - requires specialized tools and expertise
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes for the 2018-Present BMW Z4?
What are the technical specifications of the brakes for the 2018-Present BMW Z4?
The 2018-Present BMW Z4 features ventilated disc brakes both front and rear. The front brakes are equipped with 330mm discs and 4-piston fixed calipers, while the rear brakes feature 265mm discs with single-piston floating calipers. The system is compatible with BMW's Dynamic Stability Control (DSC) and Cornering Brake Control (CBC). Brake pads are designed for high performance and durability, with a minimum thickness of 8mm for front pads and 7mm for rear pads. The system is optimized for use with BMW-approved brake fluid (DOT 4 or DOT 5.1).
Q2 What are the maintenance requirements for the brakes?
What are the maintenance requirements for the brakes?
Regular brake maintenance for the 2018-Present BMW Z4 includes inspecting brake pads every 10,000 miles, checking rotor thickness every 15,000 miles, and replacing brake fluid every 30,000 miles. Brake pads should be replaced when worn below 3mm, and rotors should be replaced if they exceed the maximum allowable wear (typically 0.001 inches for lateral runout and 0.0002 inches for radial runout). Ensure all brake components are clean and free from debris, and test the parking brake function periodically.
Q3 How do I install or replace the brakes?
How do I install or replace the brakes?
To replace the brakes on your 2018-Present BMW Z4, start by safely lifting the vehicle and removing the wheels. Inspect the calipers and pads, then remove the caliper bolts and slide the caliper off the rotor. Remove the old brake pads and install the new ones, ensuring proper alignment. If replacing rotors, remove the retaining screws and pull the rotor straight off. Reinstall the rotor and caliper, tightening bolts in a star pattern to the manufacturer's torque specification (approx. 40-50 Nm for caliper bolts). Bleed the brake system if air is introduced, and test the brakes thoroughly before driving.
Q4 How do I troubleshoot common brake issues?
How do I troubleshoot common brake issues?
Common brake issues in the 2018-Present BMW Z4 include spongy brake feel, noise, or reduced stopping power. Check for air in the brake system by bleeding the lines, inspect brake pads for wear, and ensure rotors are not warped or excessively worn. If noise is present, inspect for loose components or debris on the rotors. If the brake warning light is illuminated, use a BMW-specific OBD-II scanner to retrieve fault codes and address the underlying issue. Always refer to the service manual for specific diagnostic procedures.
Q5 How can I optimize brake performance?
How can I optimize brake performance?
To optimize brake performance on your 2018-Present BMW Z4, consider upgrading to high-performance brake pads designed for your driving conditions (e.g., street, track, or cold weather). Ensure proper brake fluid level and use BMW-approved DOT 4 or DOT 5.1 fluid. Avoid overheating brakes by maintaining a safe following distance and using engine braking in hilly terrain. For track use, consider upgrading to lightweight drilled or slotted rotors and high-temperature brake fluid. Always follow BMW's recommended maintenance schedule and inspect brakes regularly.
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 Z4 Brake System Service Manual
Coming SoonComprehensive guide to brake system maintenance, repair, and troubleshooting for the 2018-Present BMW Z4.
Technical Service Bulletin: Brake System Update
Coming SoonOfficial BMW technical bulletin outlining updates and improvements for the brake system in 2018-Present Z4 models.
BMW Z4 Parts Catalog
Coming SoonDetailed catalog of genuine BMW parts for the brake system of the 2018-Present Z4, including part numbers and compatibility.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.