BMW M4 2021-present

BMW M4 2021-present Body Specifications

Detailed technical specifications and documentation for the body system of the 2021-Present BMW M4, including structural design, materials, aerodynamics, and M-specific features.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the body specifications for the 2021-Present BMW M4, including key features, measurements, and technical details. This section covers the structural design, materials, dimensions, and aerodynamic elements of the vehicle.

How to Use

Use the search function to locate specific body specifications by entering keywords such as 'dimensions', 'materials', or 'aerodynamics'. Filter results by section for precise information.

Navigate through the body documentation sections using the table of contents. Each major section is divided into subsections for detailed technical information.

Key Specifications

Length

4794 mm

Width

1887 mm

Height

1393 mm

Drag Coefficient

0.28

Curb Weight

1800 kg

Available Specifications

Exterior Dimensions

Detailed measurements and specifications of the BMW M4's exterior dimensions, including length, width, height, and wheelbase.

Overall Dimensions

Length: 4794 mm
Width: 1887 mm (excluding mirrors)
Height: 1393 mm
Wheelbase: 2857 mm
Track width (front/rear): 1620 mm / 1630 mm

Ground Clearance and Weight

Ground clearance: 120 mm
Curb weight: 1800 kg (approx.)
Weight distribution: 52% front / 48% rear
Gross vehicle weight: 2270 kg

Note: Weight may vary based on optional equipment and configuration.

Body Structure and Materials

Technical details about the body construction, including materials used and structural design features.

Material Composition

Aluminum-intensive front and rear sections
Carbon fiber reinforced plastic (CFRP) roof
High-strength steel used in the passenger cell
Lightweight composite materials for doors and hood

Structural Design

Optimized torsional rigidity for improved handling
Integrated aerodynamic elements for stability
Crash-optimized front and rear structures
Laser-welded seams for enhanced durability

Note: The CFRP roof reduces weight and lowers the center of gravity.

Aerodynamics

Details on the aerodynamic features of the BMW M4, including drag coefficient and active elements.

Drag Coefficient

Drag coefficient (Cd): 0.28
Front air intakes optimized for cooling and airflow
Rear diffuser for reduced lift
Active rear spoiler for dynamic downforce

Active Aerodynamics

Adaptive air flaps in the front grille
Rear spoiler adjusts based on speed and driving mode
Underbody panels for smooth airflow
Aero-optimized side mirrors

Note: Active aerodynamics enhance performance and efficiency.

Exterior Features

Key exterior components and their specifications, including lighting and design elements.

Lighting System

Full LED headlights with adaptive functionality
Laserlight option with a range of up to 600 meters
LED taillights with dynamic turn signals
Automatic high beam assist

Design Elements

Iconic BMW kidney grille with M-specific design
Aggressive front and rear bumpers
Quad exhaust tips with M-specific tuning
Available in various exterior colors and finishes

Note: The kidney grille design is a signature feature of the M4.

Search Specifications

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Component Specifications

Dimensions

Overall Length: 4794 mm

Overall Width: 1887 mm

Overall Height: 1393 mm

Wheelbase: 2857 mm

Track Width Front: 1620 mm

Track Width Rear: 1604 mm

Ground Clearance: 120 mm

Weight

Curb Weight: 1705 kg

Gross Vehicle Weight: 2100 kg

Payload Capacity: 395 kg

Weight Distribution Front: 52.3%

Weight Distribution Rear: 47.7%

Body Materials

Roof: Carbon Fiber Reinforced Plastic (CFRP)

Hood: Aluminum

Doors: Aluminum

Trunk Lid: Aluminum

Chassis: High-Strength Steel and Aluminum

Aerodynamics

Drag Coefficient: 0.28 Cd

Front Air Dam: Active Air Stream Kidney Grille

Rear Spoiler: Integrated Lip Spoiler

Underbody: Full Underbody Paneling

Lighting

Headlights: Type: Adaptive LED
Part Number: 63 12 8 086 123
Beam Range: Up to 500 meters

Taillights: Type: 3D LED
Part Number: 63 21 8 086 124
Dynamic Turn Signal: Yes

Fog Lights: Type: LED
Part Number: 63 17 8 086 125

Windows

Front Windshield: Material: Laminated Glass
Thickness: 5.5 mm
Tint: UV-Protective

Side Windows: Material: Tempered Glass
Thickness: 4.0 mm
Tint: UV-Protective

Rear Windshield: Material: Laminated Glass
Thickness: 5.5 mm
Tint: UV-Protective

Mirrors

Side Mirrors: Type: Electrochromic
Part Number: 51 16 8 086 126
Adjustment: Power-Folding

Rearview Mirror: Type: Auto-Dimming
Part Number: 51 16 8 086 127

Paint

Standard Colors

Alpine White
Sapphire Black Metallic
Toronto Red Metallic
Portimao Blue Metallic

Optional Colors

Frozen Brilliant White Metallic
Frozen Portimao Blue Metallic
Frozen Dark Grey Metallic

Paint Thickness: 120-150 microns

Clear Coat Thickness: 40-50 microns

Safety Features

Airbags: Front: Dual-Stage Airbags
Side: Thorax Airbags
Curtain: Head Airbags

Crumple Zones: Front: High-Strength Steel
Rear: High-Strength Steel

Seatbelt Pretensioners: Yes

Emergency Brake Assist: Yes

Maintenance

Body Wash interval: Every 2 weeks

Wax Application interval: Every 3 months

Paint Inspection Interval: Every 6 months

Corrosion Protection: Electrophoretic Coating

Service Information Service

Detailed service requirements and schedules

10000

Inspect body for damage
Check and clean drainage channels
Inspect and lubricate door hinges

Ensure all body panels are free from corrosion

20000

Inspect and adjust headlight alignment
Check and replace windshield wipers if necessary
Inspect and clean sunroof drainage system

Verify all lighting systems are functioning correctly

30000

Inspect and replace side mirror glass if damaged
Check and adjust door alignment
Inspect and replace weather stripping if necessary

Ensure all doors and windows operate smoothly

Frequently Asked Questions

Find answers to common questions about torque specifications

What are the dimensions of the 2021-Present BMW M4 body?

The 2021-Present BMW M4 has a length of 4794 mm, a width of 1887 mm (excluding mirrors), a height of 1393 mm, and a wheelbase of 2857 mm. The front track is 1620 mm, and the rear track is 1630 mm.

What materials are used in the construction of the BMW M4 body?

The BMW M4 body utilizes a combination of lightweight materials, including high-strength steel, aluminum, and carbon fiber reinforced plastic (CFRP). The roof, hood, and front strut brace are made of CFRP to reduce weight and improve performance.

What is the drag coefficient of the BMW M4?

The BMW M4 has a drag coefficient (Cd) of 0.30, which is optimized for aerodynamic efficiency. This is achieved through features like the active air flap control, aerodynamic underbody panels, and a rear spoiler.

How much does the BMW M4 body weigh?

The curb weight of the BMW M4 varies depending on the trim and options, but the base model weighs approximately 1705 kg (3759 lbs). The use of lightweight materials helps keep the weight lower compared to competitors.

What is the ground clearance of the BMW M4?

The ground clearance of the BMW M4 is approximately 120 mm (4.7 inches), which is designed to balance performance and everyday usability. Lowering the vehicle further may require aftermarket modifications.

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 M4 Body Structure Overview

Coming Soon

Detailed technical overview of the BMW M4 body structure, including material composition and design features.

Aerodynamics of the BMW M4

Coming Soon

Explore the aerodynamic design elements of the BMW M4, including drag coefficient and performance-enhancing features.

BMW M4 Body Maintenance Guide

Coming Soon

Step-by-step guide for maintaining the BMW M4 body, including cleaning, paint care, and inspection procedures.

BMW M4 Genuine Parts Catalog

Coming Soon

Official catalog of genuine BMW M4 body parts, including replacement panels, trim, and accessories.

About the Author

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