BMW 745i 2020-present

BMW 745i 2020-present Body Specifications

Detailed technical specifications and documentation for the body system of the 2020-Present BMW 745I, including structural design, materials, aerodynamics, and safety features.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the body specifications for the 2020-Present BMW 745i, including key features, measurements, and technical details

How to Use

Use the search function to locate specific body specifications by entering keywords such as 'dimensions', 'materials', or 'aerodynamics'.

Navigate through the body documentation sections using the table of contents or by scrolling through the document. Each section is clearly labeled for easy access.

Key Specifications

Length

5,220 mm (205.5 in)

Width

1,902 mm (74.9 in)

Height

1,478 mm (58.2 in)

Wheelbase

3,210 mm (126.4 in)

Drag Coefficient

0.24

Available Specifications

Exterior Dimensions

Detailed measurements and specifications of the exterior body dimensions

Overall Dimensions

Length: 5,220 mm (205.5 in)
Width: 1,902 mm (74.9 in)
Height: 1,478 mm (58.2 in)
Wheelbase: 3,210 mm (126.4 in)
Track width (front/rear): 1,625 mm / 1,642 mm (64.0 in / 64.6 in)

Cargo Capacity

Trunk volume: 515 liters (18.2 cu ft)
Maximum cargo capacity with rear seats folded: 1,520 liters (53.7 cu ft)
Load width between wheel arches: 1,050 mm (41.3 in)
Load height: 500 mm (19.7 in)

Note: Cargo capacity may vary depending on optional equipment and configuration.

Body Materials and Construction

Information on the materials and construction techniques used in the body

Material Composition

Aluminum-intensive body structure for reduced weight
High-strength steel used in key safety areas
Carbon fiber reinforced polymer (CFRP) in select components
Magnesium alloy in the instrument panel support

Construction Techniques

Laser welding for precise and strong joints
Adhesive bonding for enhanced rigidity
Hydroforming for complex structural shapes
Hot-stamped steel components for crash safety

Note: The use of advanced materials and techniques contributes to a lightweight yet rigid body structure.

Aerodynamics

Details on the aerodynamic design and features of the body

Drag Coefficient

Drag coefficient (Cd): 0.24
Active air flaps in the front grille
Aerodynamically optimized underbody panels
Streamlined exterior mirrors

Aero Features

Active rear spoiler for improved downforce
Air curtains in the front bumper for reduced turbulence
Seamless door handles for smoother airflow
Aero-optimized wheel designs

Note: Aerodynamic features are designed to enhance fuel efficiency and stability at high speeds.

Exterior Features

Overview of the exterior design elements and features

Lighting

Full LED headlights with adaptive functionality
Laserlight option with a range of up to 600 meters
Dynamic LED taillights with sequential turn signals
Ambient lighting integrated into the exterior design

Design Elements

Iconic BMW kidney grille with active air flaps
Chrome accents on window surrounds and door handles
Dual exhaust tips integrated into the rear bumper
Panoramic glass roof option

Note: Exterior design elements combine aesthetics with functionality for a distinctive appearance.

Search Specifications

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Component Specifications

Dimensions

Overall Length: 5273 mm

Overall Width: 1902 mm

Overall Height: 1498 mm

Wheelbase: 3210 mm

Track Width Front: 1627 mm

Track Width Rear: 1649 mm

Ground Clearance: 140 mm

Weight

Curb Weight: 1995 kg

Gross Vehicle Weight: 2640 kg

Payload Capacity: 645 kg

Front Axle Load: 1120 kg

Rear Axle Load: 875 kg

Body Materials

Construction: Hybrid steel and aluminum

Front Fenders: Aluminum

Hood: Aluminum

Doors: Aluminum

Trunk Lid: Aluminum

Roof: Steel with optional carbon fiber

Aerodynamics

Drag Coefficient: 0.24 Cd

Frontal Area: 2.48 m²

Air Dam: Active air dam with automatic deployment

Underbody Panels: Full-length underbody panels for improved airflow

Exterior Features

Headlights: Adaptive LED headlights with laserlight option

Taillights: 3D LED taillights

Mirrors: Electrically adjustable, heated, and auto-dimming

Windows: Acoustic glass with UV protection

Sunroof: Panoramic sunroof with power tilt and slide

interior Dimensions

Headroom Front: 1020 mm

Headroom Rear: 980 mm

Legroom Front: 1060 mm

Legroom Rear: 990 mm

Shoulder Room Front: 1520 mm

Shoulder Room Rear: 1500 mm

Cargo Capacity

Trunk Volume: 515 liters

Trunk Width: 1050 mm

Trunk Depth: 1100 mm

Trunk Height: 500 mm

Fold Down Rear Seats: 40/20/40 split-folding rear seats

Safety Features

Airbags: Front: Dual-stage airbags
Side: Thorax airbags
Curtain: Full-length curtain airbags

Crash Structure: High-strength steel safety cell

Safety Systems

Dynamic Stability Control (DSC)
Anti-lock Braking System (ABS)
Tire Pressure Monitoring System (TPMS)
Active Protection System

Maintenance

Body Wash interval: Every 2 weeks or as needed

Waxing Interval: Every 3 months

Paint Care: Use BMW-approved paint care products

Rust Protection: Galvanized body panels with 12-year anti-corrosion warranty

Diagnostics

Body Control Module: Part Number: 61355A3E7C1
Diagnostic Tool: BMW ISTA+
Error Codes: B7F001 - Front left door sensor fault, B7F002 - Front right door sensor fault, B7F003 - Rear left door sensor fault, B7F004 - Rear right door sensor fault

Sensor Tolerances: Door Sensor Activation Time: 0.5 seconds
Trunk Sensor Activation Time: 0.7 seconds
Sunroof Sensor Activation Time: 0.6 seconds

Service Information Service

Detailed service requirements and schedules for the BMW 745I body

10000 miles

12 months

Inspect and clean body drainage channels
Check and lubricate door hinges and locks
Inspect sunroof seals and drainage system
Check and adjust alignment of body panels

Use BMW-approved lubricants and cleaning agents

30000 miles

36 months

Inspect and replace worn weatherstripping
Check and tighten all body fasteners
Inspect and repair any paint chips or scratches
Check and adjust alignment of doors and trunk

Ensure all body panels are properly aligned to prevent wind noise

60000 miles

72 months

Inspect and replace sunroof seals if necessary
Check and repair any corrosion spots
Inspect and replace any damaged underbody panels
Check and adjust alignment of all body panels

Perform a thorough inspection of all body components for wear and tear

Frequently Asked Questions

Find answers to common questions about torque specifications

What are the exterior dimensions of the 2020-Present BMW 745i?

The 2020-Present BMW 745i has an overall length of 201.9 inches, a width of 76.8 inches (including mirrors), and a height of 58.2 inches. The wheelbase measures 118.1 inches, providing a spacious interior.

What materials are used in the body construction of the BMW 745i?

The BMW 745i utilizes a combination of high-strength steel, aluminum, and carbon fiber-reinforced plastic (CFRP) in its body construction. This lightweight yet rigid structure enhances performance, fuel efficiency, and safety.

What is the drag coefficient of the BMW 745i?

The BMW 745i has a drag coefficient (Cd) of 0.24, achieved through aerodynamic design elements such as active air flaps, a flat underbody, and optimized airflow management.

What is the curb weight of the BMW 745i?

The curb weight of the 2020-Present BMW 745i is approximately 4,540 lbs (2,060 kg), depending on the specific trim and optional equipment.

Does the BMW 745i feature adaptive air suspension?

Yes, the BMW 745i comes standard with adaptive air suspension, which automatically adjusts to road conditions and driving dynamics, providing a balance of comfort and performance.

What is the ground clearance of the BMW 745i?

The BMW 745i has a ground clearance of approximately 5.5 inches (140 mm), which is optimized for both aerodynamic efficiency and road clearance.

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 745i Body Structure Technical Guide

Coming Soon

Detailed technical guide on the materials, construction, and design of the BMW 745i body structure.

Aerodynamics and Design Features

Coming Soon

Explore the aerodynamic features and design elements that contribute to the BMW 745i's performance and efficiency.

Adaptive Air Suspension System Overview

Coming Soon

Learn about the adaptive air suspension system, its functionality, and how it enhances the driving experience in the BMW 745i.

BMW 745i Exterior Dimensions and Measurements

Coming Soon

Comprehensive resource detailing the exterior dimensions, measurements, and weight distribution of the BMW 745i.

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