BMW 840i 2018-present Body Specifications
BMW 840i 2018-present

BMW 840i 2018-present Body Specifications

Detailed technical specifications and documentation for the body system of the 2018-Present BMW 840i, including structural design, materials, dimensions, and aerodynamics.

Updated

Overview Specifications

Comprehensive description of the body specifications for the 2018-Present BMW 840i, 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

4843 mm (190.7 in)

Drag Coefficient

0.29

Trunk Volume

420 liters (14.8 cu ft)

Wheelbase

2822 mm (111.1 in)

Coolant Capacity

12 liters (3.2 gallons)

Available Specifications

Exterior Dimensions

Detailed measurements and specifications of the BMW 840i's exterior dimensions.

Overall Dimensions
  • Length: 4843 mm (190.7 in)
  • Width: 1902 mm (74.9 in)
  • Height: 1341 mm (52.8 in)
  • Wheelbase: 2822 mm (111.1 in)
  • Track width (front/rear): 1612 mm / 1622 mm (63.5 in / 63.9 in)
Cargo and Trunk Space
  • Trunk volume: 420 liters (14.8 cu ft)
  • Cargo capacity with rear seats folded: 1200 liters (42.4 cu ft)
  • Load width between wheel arches: 1000 mm (39.4 in)
  • Load height: 450 mm (17.7 in)

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

Body Structure and Materials

Technical details about the body construction and materials used in the BMW 840i.

Body Construction
  • Hybrid construction combining steel, aluminum, and carbon fiber reinforced plastic (CFRP)
  • Weight-saving design with optimized rigidity
  • Drag coefficient (Cd): 0.29
  • Aerodynamic features include active air flaps and underbody panels
Material Distribution
  • Aluminum usage: 45% of body structure
  • High-strength steel: 30%
  • CFRP components: 10%
  • Other materials (plastics, composites): 15%

Note: Material distribution contributes to a 50:50 weight balance.

Exterior Features

Key exterior features and their technical specifications.

Lighting System
  • Full LED headlights with adaptive functionality
  • LED daytime running lights
  • Automatic high beam assist
  • LED rear lights with dynamic turn signals
Wheels and Tires
  • Standard wheel size: 19-inch alloy wheels
  • Optional wheel sizes: 20-inch and 21-inch
  • Tire sizes: 245/40 R19 (front), 275/35 R19 (rear)
  • Run-flat tires as standard

Note: Tire sizes may vary depending on wheel and package selection.

Aerodynamics and Cooling

Details about the aerodynamic design and cooling systems.

Aerodynamic Design
  • Active air flaps in the front grille
  • Aerodynamically optimized side mirrors
  • Rear spoiler with integrated brake light
  • Underbody panels for reduced drag
Cooling System
  • Dual-zone cooling system for engine and transmission
  • Air curtains for improved airflow
  • Radiator size: 600 mm x 400 mm
  • Coolant capacity: 12 liters (3.2 gallons)

Note: Cooling system is designed for optimal performance under high loads.

Component Specifications

Dimensions

Overall Length
4851 mm
Overall Width
1902 mm
Overall Height
1346 mm
Wheelbase
2822 mm
Track Width Front
1612 mm
Track Width Rear
1620 mm
Ground Clearance
120 mm

Weight

Curb Weight
1795 kg
Gross Vehicle Weight
2300 kg
Payload Capacity
505 kg
Front Axle Load
1020 kg
Rear Axle Load
775 kg

Body Materials

Roof
Carbon Fiber Reinforced Plastic (CFRP)
Hood
Aluminum
Doors
Aluminum with CFRP reinforcement
Trunk Lid
Aluminum
Frame
High-strength steel with aluminum components

Aerodynamics

Drag Coefficient
0.29 Cd
Frontal Area
2.25 m²
Air Dam
Active Air Stream Kidney Grille
Underbody
Fully covered with aerodynamic panels

Exterior Features

Headlights
Adaptive LED Headlights with BMW Laserlight
Taillights
3D LED Taillights
Mirrors
Electrically folding, heated, and auto-dimming
Sunroof
Panoramic glass sunroof with electric operation
Exhaust System
Dual exhaust with chrome tips

interior Dimensions

Headroom Front
1010 mm
Headroom Rear
950 mm
Legroom Front
1050 mm
Legroom Rear
890 mm
Shoulder Room Front
1480 mm
Shoulder Room Rear
1420 mm

Seating

Front Seats
Sport seats with 14-way power adjustment
Rear Seats
40/20/40 split-folding with integrated armrest
Upholstery
Vernasca Leather with contrast stitching
Seat Heating
Front and rear seats with 3-stage heating
Seat Memory
Driver and front passenger memory function

Cargo Capacity

Trunk Volume
420 liters
Trunk Opening Width
1020 mm
Trunk Opening Height
500 mm
Trunk Floor Material
Carpeted with storage compartments
Cargo Anchors
4 tie-down hooks

Safety Features

Airbags
  • Front airbags
  • Side airbags
  • Head airbags
  • Knee airbags
Safety Cell
High-strength steel with crumple zones
Active Protection
Pre-collision system with seatbelt pretensioners
Parking Assist
Surround View with 3D View
Lane Departure Warning
Active Lane Keeping Assist

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 with 12-year anti-corrosion warranty
Glass Cleaning
Use BMW-approved glass cleaner

Diagnostics

Body Control Module
Integrated into the vehicle's central electronics
Fault Codes
Readable via BMW ISTA diagnostic system
Sensor Check
Regularly check all exterior sensors for obstructions
Lighting Diagnostics
Automatic bulb failure detection
Alignment Check
Check wheel alignment every 15,000 miles

Service Information Service

Detailed service requirements and schedules for the BMW 840I body

10,000 miles
12 months
  • Inspect and clean exterior body panels
  • Check and adjust all exterior lights
  • Inspect and lubricate door hinges and locks
  • Check and clean sunroof drainage system

Use BMW-approved cleaning products

30,000 miles
36 months
  • Inspect and repair any paint chips or scratches
  • Check and replace windshield wiper blades
  • Inspect and clean underbody panels
  • Check and adjust wheel alignment

Ensure all repairs are performed by a certified BMW technician

60,000 miles
72 months
  • Inspect and replace any worn exterior trim pieces
  • Check and replace any damaged exterior sensors
  • Inspect and repair any rust spots
  • Check and replace any worn door seals

Use only genuine BMW replacement parts

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the exterior dimensions of the 2018-Present BMW 840i?

The 2018-Present BMW 840i has an overall length of 4843 mm, a width of 1902 mm (excluding mirrors), and a height of 1341 mm. The wheelbase measures 2822 mm, providing a balanced stance and spacious interior.

Q2

What materials are used in the body construction of the BMW 840i?

The BMW 840i 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.

Q3

What is the drag coefficient of the BMW 840i?

The BMW 840i boasts a drag coefficient (Cd) of 0.29, achieved through aerodynamic design elements such as active air flaps, a flat underbody, and optimized airflow management.

Q4

What is the curb weight of the BMW 840i?

The curb weight of the BMW 840i varies by configuration but typically ranges between 1770 kg and 1850 kg, depending on optional equipment and drivetrain specifications.

Q5

Does the BMW 840i feature adaptive suspension?

Yes, the BMW 840i is equipped with adaptive suspension as standard, which includes Dynamic Damper Control. This system adjusts damping forces in real-time based on driving conditions and driver preferences.

Q6

What is the ground clearance of the BMW 840i?

The BMW 840i has a ground clearance of approximately 120 mm, ensuring a balance between sporty handling and practicality for everyday driving.

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 840i Body Structure Technical Guide

Coming Soon

Detailed technical guide on the materials, design, and construction of the BMW 840i body, including crash safety features and aerodynamic enhancements.

Aerodynamics and Performance Optimization

Coming Soon

Explore how BMW engineers optimized the 840i's aerodynamics for improved performance and fuel efficiency.

Adaptive Suspension and Driving Dynamics

Coming Soon

Learn about the adaptive suspension system and how it enhances driving dynamics and comfort in the BMW 840i.

BMW Genuine Parts and Accessories

Coming Soon

Official BMW guide to genuine parts and accessories for the 840i, ensuring optimal performance and warranty compliance.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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