BMW 740i 2016-present

BMW 740i 2016-present Suspension Specifications

Detailed technical specifications and maintenance guidelines for the 2016-Present BMW 740i suspension system. Includes front and rear suspension components, torque specs, alignment data, and adaptive air suspension details.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the suspension specifications for the 2016-Present BMW 740i, including key features, measurements, and technical details. This section covers the front and rear suspension systems, adaptive suspension components, and alignment specifications.

How to Use

Use the search function to locate specific suspension components or specifications by entering keywords such as 'front strut', 'rear axle', or 'alignment angles'.

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

Key Specifications

Front Track Width

1610 mm

Rear Track Width

1640 mm

Ride Height Adjustment

± 20 mm

Maximum Load Capacity

650 kg

Damping Force Range

0.5 N/mm to 2.5 N/mm

Available Specifications

Front Suspension System

Details of the front suspension system, including the double-wishbone design, adaptive dampers, and steering components.

Double-Wishbone Design

Upper and lower control arms made of lightweight aluminum alloy
Front track width: 1610 mm
Kingpin inclination: 12.5°
Caster angle: 6.8°

Adaptive Dampers

Electronically controlled dampers with Comfort, Sport, and Adaptive modes
Damping force adjustment range: 0.5 N/mm to 2.5 N/mm
Response time: < 20 ms
Integrated with Dynamic Damper Control (DDC) system

Note: Adaptive dampers require periodic calibration using BMW diagnostic software.

Rear Suspension System

Technical details of the rear suspension system, including the multi-link design and air suspension components.

Multi-Link Design

Five-link rear suspension with aluminum components
Rear track width: 1640 mm
Toe angle: 0.15° ± 0.05°
Camber angle: -1.2° ± 0.2°

Air Suspension

Self-leveling air springs with adjustable ride height
Maximum load capacity: 650 kg
Ride height adjustment range: ± 20 mm
Integrated with Dynamic Drive system for roll stabilization

Note: Air suspension requires regular inspection for leaks and proper compressor function.

Alignment Specifications

Detailed alignment settings for the front and rear suspension systems.

Front Alignment

Camber: -0.5° ± 0.2°
Toe-in: 0.10° ± 0.05°
Caster: 6.8° ± 0.5°
Steering axis inclination: 12.5°

Rear Alignment

Camber: -1.2° ± 0.2°
Toe-in: 0.15° ± 0.05°
Thrust angle: 0.0° ± 0.1°
Ride height: 600 mm ± 5 mm (measured from wheel center to fender)

Note: Alignment settings must be verified after suspension component replacement.

Adaptive Suspension Features

Overview of advanced suspension features, including Dynamic Damper Control and Dynamic Drive.

Dynamic Damper Control (DDC)

Continuously adjusts damping force based on road conditions
Integrated with Driving Experience Control switch
Supports Comfort, Sport, and Adaptive modes
Uses wheel speed, steering angle, and body acceleration sensors

Dynamic Drive

Active roll stabilization system
Reduces body roll by up to 80% during cornering
Uses hydraulic actuators integrated into the stabilizer bars
Operates at pressures up to 200 bar

Note: Dynamic Drive requires periodic fluid level checks and system diagnostics.

Search Specifications

Search by specification name, value, or description

Component Specifications

Front Suspension

Type: Double wishbone with air springs

Spring Rate: 22.5 N/mm

Shock ABSorber Type: Adaptive air suspension

Stabilizer Bar Diameter: 28 mm

Bushings Material: Synthetic rubber with aluminum housing

Part Numbers: Air Spring: 37116793871
Shock ABSorber: 37116793872
Stabilizer Bar: 31356793873

Rear Suspension

Type: Multi-link with air springs

Spring Rate: 20.8 N/mm

Shock ABSorber Type: Adaptive air suspension

Stabilizer Bar Diameter: 24 mm

Bushings Material: Synthetic rubber with aluminum housing

Part Numbers: Air Spring: 37116793874
Shock ABSorber: 37116793875
Stabilizer Bar: 31356793876

Air Suspension System

Compressor Type: Single-piston

Compressor Power: 400 W

Air Tank Capacity: 7 liters

Pressure Range: 8-16 bar

Part Numbers: Compressor: 37116793877
Air Tank: 37116793878
Pressure Sensor: 37116793879

Adaptive Damping System

Damping Modes

Comfort
Sport
Sport+

Response Time: 20 ms

Sensor Types

Acceleration
Position
Pressure

Part Numbers: Control Unit: 37116793880
Sensor Set: 37116793881

Wheel Alignment

Front Camber: -0.5° to -1.0°

Rear Camber: -1.5° to -2.0°

Front Toe: 0.10° to 0.20°

Rear Toe: 0.15° to 0.25°

Caster: 7.5° to 8.5°

Tolerances: ±0.2°

Suspension Bushings

Front Lower Control Arm Bushing: Polyurethane with aluminum housing

Rear Trailing Arm Bushing: Polyurethane with aluminum housing

Durometer Rating: 75 Shore A

Part Numbers: Front Bushing: 31356793882
Rear Bushing: 31356793883

Suspension Mounts

Front Strut Mount: Reinforced rubber with bearing

Rear Shock Mount: Reinforced rubber

Part Numbers: Front Mount: 31356793884
Rear Mount: 31356793885

Suspension Limits

Maximum Load: 600 kg

Maximum Compression: 120 mm

Maximum Rebound: 100 mm

Operating Temperature Range: -40°C to 120°C

Diagnostic Specifications

Fault Codes

C1210 - Air suspension compressor fault
C1211 - Air suspension pressure sensor fault
C1212 - Adaptive damping control unit fault

Diagnostic Tools

BMW ISTA
OBD-II scanner

Test Procedures

Check air suspension pressure
Test compressor operation
Inspect damping system sensors

Maintenance Specifications

inspection Interval: Every 15,000 miles or 12 months

Lubrication Points

Front lower control arm bushings
Rear trailing arm bushings
Stabilizer bar links

Torque Specifications: Front Strut Mount Nuts: 65 Nm
Rear Shock Mount Bolts: 50 Nm
Stabilizer Bar Link Nuts: 40 Nm

Service Information Service

Detailed service requirements and schedules for the suspension system

15,000

Inspect air suspension system for leaks
Check adaptive damping system operation
Lubricate suspension bushings

Replace worn components as necessary

30,000

Inspect and replace suspension bushings if necessary
Check wheel alignment
Test suspension compressor operation

Perform full diagnostic scan for fault codes

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of suspension system does the 2016-Present BMW 740i use?

The 2016-Present BMW 740i is equipped with a double-wishbone front suspension and a multi-link rear suspension. It also features an optional Adaptive Air Suspension system, which adjusts ride height and damping based on driving conditions.

What is the ground clearance of the BMW 740i with Adaptive Air Suspension?

The ground clearance of the BMW 740i with Adaptive Air Suspension varies between 120mm (4.7 inches) in the lowest setting and 160mm (6.3 inches) in the highest setting, depending on the driving mode and load conditions.

How often should the suspension components be inspected?

BMW recommends inspecting the suspension components every 30,000 miles or 3 years, whichever comes first. This includes checking for wear on bushings, ball joints, and shock absorbers, as well as ensuring proper alignment and tire wear.

Can I replace the suspension components with aftermarket parts?

While aftermarket parts may be available, BMW strongly recommends using genuine BMW parts to ensure optimal performance, safety, and compatibility. Non-genuine parts may void the vehicle's warranty and could compromise ride quality and handling.

What is the recommended tire pressure for the BMW 740i to maintain suspension performance?

The recommended tire pressure for the BMW 740i is typically 32 psi (2.2 bar) for the front tires and 35 psi (2.4 bar) for the rear tires. However, this may vary depending on load conditions, so always refer to the tire pressure label on the driver's side door jamb.

Does the BMW 740i suspension support towing?

The BMW 740i is not designed for towing. The suspension system is optimized for passenger comfort and performance, and towing could place excessive stress on the components, leading to premature wear or failure.

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 740i Suspension Maintenance Guide

Coming Soon

A detailed guide on maintaining the suspension system, including inspection intervals, common issues, and replacement procedures.

Adaptive Air Suspension Overview

Coming Soon

An in-depth look at the Adaptive Air Suspension system, including its features, benefits, and how it enhances ride comfort and handling.

Genuine BMW Suspension Parts Catalog

Coming Soon

A catalog of genuine BMW suspension components, including part numbers, specifications, and compatibility information.

BMW 740i Suspension Alignment Specifications

Coming Soon

Detailed alignment specifications for the BMW 740i, including camber, caster, and toe settings for optimal handling and tire wear.

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