BMW 330i 2012-2018 Brakes Specifications
Comprehensive technical guide for the 2012-2018 BMW 330I braking system, including detailed specifications, maintenance tips, and performance metrics. Ideal for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the brakes specifications for the 2012-2018 BMW 330I, including key features, measurements, and technical details
How to Use
Instructions for using search to find specific brakes specifications
Instructions for navigating through the brakes documentation sections
Key Specifications
Front Disc Diameter
320 mm
Rear Disc Diameter
280 mm
Brake Fluid Capacity
1.2 liters
ABS Response Time
0.1 seconds
Max Deceleration
10 m/s²
Available Specifications
Brake System Overview
Detailed description of the brake system components and their functionality
Brake System Overview
Detailed description of the brake system components and their functionality
Brake Discs
- Front disc diameter: 320 mm
- Rear disc diameter: 280 mm
- Disc material: High-grade steel with anti-corrosion coating
- Thickness: 20 mm
- Heat resistance: Up to 500°C
Brake Pads
- Front pad thickness: 12 mm
- Rear pad thickness: 10 mm
- Material: Ceramic composite
- Friction coefficient: 0.45
- Wear indicator: Integrated sensor
Note: Regular inspection recommended every 10,000 km
Hydraulic Brake System
Technical details of the hydraulic components and their specifications
Hydraulic Brake System
Technical details of the hydraulic components and their specifications
Brake Fluid
- Type: DOT 4
- Capacity: 1.2 liters
- Pressure range: 0-100 bar
- Temperature range: -40°C to 120°C
- Replacement interval: Every 2 years
Brake Lines
- Material: High-pressure rubber with steel reinforcement
- Diameter: 6 mm
- Length: Front lines 1.5 m, rear lines 1.2 m
- Pressure tolerance: Up to 150 bar
- Flexibility: 180° bend radius
Note: Inspect for leaks during regular maintenance
Electronic Brake Assist
Details on the electronic systems supporting the brake functionality
Electronic Brake Assist
Details on the electronic systems supporting the brake functionality
ABS System
- Type: Bosch 9.0
- Response time: 0.1 seconds
- Sensor count: 4 per wheel
- Operating voltage: 12V
- Temperature tolerance: -30°C to 85°C
Brake Force Distribution
- Front brake force: 60%
- Rear brake force: 40%
- Adjustment: Dynamic based on load sensors
- Max deceleration: 10 m/s²
- Integration: Linked with stability control
Note: System recalibrates after each service
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Brakes Specifications
Brake Type
- Front Brakes
- Ventilated disc
- Rear Brakes
- Solid disc
- Parking Brake
- Electromechanical
Brake Discs
- Front Disc Diameter
- 330 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 Pads
- 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
- 34116861263
- Rear Pad Part Number
- 34216861264
Brake Calipers
- Front Calipers
- Single-piston floating
- Rear Calipers
- Single-piston floating
- Front Caliper Part Number
- 34116861265
- Rear Caliper Part Number
- 34216861266
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 Hoses
- Front Hose Length
- 500 mm
- Rear Hose Length
- 600 mm
- Material
- Reinforced rubber
- Burst Pressure
- 200 bar
Brake Master Cylinder
- Bore Diameter
- 22.2 mm
- Stroke Length
- 30 mm
- Part Number
- 34316861267
Brake Booster
- Type
- Vacuum-assisted
- Boost Ratio
- 4:1
- Part Number
- 34416861268
Parking Brake System
- Type
- Electromechanical
- Cable Length
- 1500 mm
- Actuator Part Number
- 34516861269
- Control Unit Part Number
- 34616861270
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
- Diagnostic interval
- Every 30,000 miles or as needed
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 damage or leaks
Replace brake fluid every 2 years or 30,000 miles
- Replace brake fluid
- Inspect brake calipers for proper operation
- Check parking brake system functionality
Perform brake system diagnostic scan
- Replace brake pads and discs if necessary
- Inspect brake master cylinder and booster
- Check brake system for leaks and proper pressure
Replace brake hoses if signs of wear or damage are present
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the brake rotor thickness specification for the 2012-2018 BMW 330i?
What is the brake rotor thickness specification for the 2012-2018 BMW 330i?
The front brake rotors have a minimum thickness of 22.4 mm and the rear brake rotors have a minimum thickness of 18.4 mm. Always measure rotor thickness during brake service to ensure it meets these specifications.
Q2 What type of brake fluid is recommended for the 2012-2018 BMW 330i?
What type of brake fluid is recommended for the 2012-2018 BMW 330i?
BMW recommends using 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). Always use genuine BMW brake fluid or an equivalent high-performance fluid meeting BMW specifications.
Q3 How often should the brake pads be replaced on a 2012-2018 BMW 330i?
How often should the brake pads be replaced on a 2012-2018 BMW 330i?
Brake pad replacement intervals vary based on driving conditions and style. However, the brake pad wear sensor will alert you when pads reach a thickness of approximately 3 mm. Inspect brake pads every 10,000 miles or during routine maintenance.
Q4 What is the torque specification for the brake caliper bolts on the 2012-2018 BMW 330i?
What is the torque specification for the brake caliper bolts on the 2012-2018 BMW 330i?
The front brake caliper bolts should be torqued to 81 lb-ft (110 Nm), and the rear brake caliper bolts should be torqued to 63 lb-ft (85 Nm). Always use a calibrated torque wrench and follow BMW's tightening sequence.
Q5 Can I use aftermarket brake components on my 2012-2018 BMW 330i?
Can I use aftermarket brake components on my 2012-2018 BMW 330i?
While aftermarket brake components may fit, BMW strongly recommends using genuine BMW parts or OEM-equivalent parts that meet BMW's strict quality and performance standards. Using non-approved parts may affect braking performance and void your 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, operation, and maintenance for the 2012-2018 BMW 330i.
Brake Pad Replacement Procedure
Coming SoonStep-by-step instructions for replacing brake pads on the 2012-2018 BMW 330i, including torque specifications and safety precautions.
Brake Fluid Flush and Bleeding Guide
Coming SoonComprehensive guide on performing a brake fluid flush and bleeding procedure for the 2012-2018 BMW 330i.
Brake Rotor Inspection and Replacement
Coming SoonLearn how to inspect, measure, and replace brake rotors on the 2012-2018 BMW 330i, including minimum thickness specifications.
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