BMW 330i 2019-present

BMW 330i 2019-present Suspension Specifications

Comprehensive technical specifications for the 2019-Present BMW 330i suspension system, including detailed component data, alignment settings, and torque values for maintenance and repair.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the suspension specifications for the 2019-Present BMW 330I, including key features, measurements, and technical details

How to Use

Use the search function to locate specific suspension components or specifications by entering keywords such as 'front strut', 'rear shock absorber', or 'spring rate'.

Navigate through the suspension documentation by selecting the relevant section from the table of contents or using the sidebar menu to jump to specific subsections.

Key Specifications

Front Spring Rate

28 N/mm

Rear Spring Rate

32 N/mm

Front Strut Diameter

55 mm

Rear Shock Stroke

120 mm

Wheelbase

2851 mm

Available Specifications

Front Suspension

Detailed information about the front suspension system, including components, measurements, and technical specifications

Front Strut Assembly

MacPherson strut design with integrated coil spring
Strut diameter: 55 mm
Spring rate: 28 N/mm
Bump stop length: 70 mm
Strut mount bearing type: Ball bearing

Front Control Arms

Material: Forged aluminum
Bushings: Hydro rubber with dynamic damping
Control arm length: 420 mm
Ball joint articulation angle: ±30°
Weight: 3.2 kg per arm

Note: The front control arms are designed for reduced unsprung weight and improved handling.

Rear Suspension

Technical details and specifications for the rear suspension system, including multi-link design and damping components

Rear Multi-Link Setup

Five-link independent rear suspension
Upper control arm length: 320 mm
Lower control arm length: 380 mm
Toe link length: 250 mm
Camber adjustment range: ±1.5°

Rear Shock Absorbers

Twin-tube gas-filled design
Shock absorber stroke: 120 mm
Damping force: 1800 N at 0.3 m/s
Spring rate: 32 N/mm
Bump stop length: 60 mm

Note: The rear shock absorbers are tuned for a balance between comfort and sporty handling.

Suspension Geometry

Critical measurements and alignment specifications for the suspension system

Alignment Specifications

Front camber: -0.5° to -1.0°
Rear camber: -1.5° to -2.0°
Front toe: 0.10° to 0.20° (toe-in)
Rear toe: 0.15° to 0.25° (toe-in)
Caster angle: 7.5°

Ride Height

Front ride height: 140 mm (measured from wheel center to fender)
Rear ride height: 135 mm (measured from wheel center to fender)
Ground clearance: 120 mm
Wheelbase: 2851 mm
Track width (front/rear): 1575 mm / 1585 mm

Note: Ride height measurements are for the standard suspension setup.

Optional Adaptive Suspension

Details about the optional adaptive suspension system available for the 2019-Present BMW 330I

Adaptive Dampers

Electronically controlled damping valves
Adjustable damping force in three modes: Comfort, Sport, and Sport+
Response time: 20 ms
Maximum damping force: 2500 N
Integrated ride height sensors

Dynamic Damper Control

Automatically adjusts damping based on road conditions
Integrated with Driving Experience Control system
Adjusts damping force up to 100 times per second
Compatible with xDrive all-wheel drive system
Weight increase over standard suspension: 8 kg

Note: The adaptive suspension system enhances both comfort and dynamic handling.

Search Specifications

Search by specification name, value, or description

Component Specifications

Front Suspension

Type: Double wishbone with adaptive dampers

Spring Rate: 28 N/mm

Damper Type: Electronic damper control (EDC)

Stabilizer Bar Diameter: 25 mm

Bushings: Material: Synthetic rubber
Part Number: 31-33-6-857-367

Alignment Specs: Camber: -0.5 to 0.5 degrees
Toe: 0.10 to 0.20 degrees
Caster: 7.0 to 7.5 degrees

Rear Suspension

Type: Five-link with adaptive dampers

Spring Rate: 32 N/mm

Damper Type: Electronic damper control (EDC)

Stabilizer Bar Diameter: 18 mm

Bushings: Material: Synthetic rubber
Part Number: 33-55-6-857-368

Alignment Specs: Camber: -1.5 to -0.5 degrees
Toe: 0.10 to 0.20 degrees

Adaptive Suspension

System Name: Dynamic Damper Control (DDC)

Modes

Comfort
Sport
Sport+

Response Time: 100 ms

Operating Temperature Range: -40 to 120 °C

Part Number: 37-10-6-857-369

Wheel Alignments

Front: Camber Range: -0.5 to 0.5 degrees
Toe Range: 0.10 to 0.20 degrees
Caster Range: 7.0 to 7.5 degrees

Rear: Camber Range: -1.5 to -0.5 degrees
Toe Range: 0.10 to 0.20 degrees

Tolerance: ±0.2 degrees

Suspension Bushings

Front Lower Control Arm: Part Number: 31-33-6-857-367
Material: Synthetic rubber
Durometer: 70 Shore A

Rear Trailing Arm: Part Number: 33-55-6-857-368
Material: Synthetic rubber
Durometer: 75 Shore A

Replacement interval: Every 60,000 miles or 5 years

Shock ABSorbers

Front: Type: Twin-tube gas-filled
Part Number: 31-33-6-857-370
Stroke Length: 150 mm
Operating Pressure: 20 bar

Rear: Type: Twin-tube gas-filled
Part Number: 33-55-6-857-371
Stroke Length: 140 mm
Operating Pressure: 18 bar

Replacement interval: Every 80,000 miles or 7 years

Springs

Front: Type: Coil spring
Part Number: 31-33-6-857-372
Free Length: 400 mm
Wire Diameter: 12 mm

Rear: Type: Coil spring
Part Number: 33-55-6-857-373
Free Length: 380 mm
Wire Diameter: 13 mm

Replacement interval: Every 100,000 miles or 10 years

Stabilizer Bars

Front: Diameter: 25 mm
Part Number: 31-33-6-857-374
Material: High-strength steel

Rear: Diameter: 18 mm
Part Number: 33-55-6-857-375
Material: High-strength steel

Replacement interval: Every 100,000 miles or 10 years

Diagnostic Specifications

Fault Codes

C1210 - Suspension system malfunction
C1211 - Adaptive damper failure
C1212 - Stabilizer bar actuator fault

Diagnostic Tool: BMW ISTA

Test Procedures

Check damper response time
Verify alignment within specifications
Inspect bushings for wear

Safety information

Warning: Do not attempt to disassemble suspension components without proper tools and training.

Torque Specs: Front Strut Mount Nuts: 90 Nm
Rear Shock ABSorber Bolts: 110 Nm
Stabilizer Bar Link Nuts: 50 Nm

Safety Checks

Inspect for leaks in dampers
Check for cracks in springs
Verify tightness of all suspension bolts

Service Information Service

Detailed service requirements and schedules for the suspension system

10,000 miles

12 months

Inspect suspension bushings for wear
Check damper operation
Verify wheel alignment

Perform visual inspection of all suspension components

30,000 miles

36 months

Lubricate suspension joints
Check stabilizer bar links
Inspect shock absorbers for leaks

Replace worn bushings if necessary

60,000 miles

72 months

Replace suspension bushings
Check spring condition
Inspect and tighten all suspension bolts

Perform full suspension alignment

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of suspension system does the 2019-Present BMW 330i use?

The 2019-Present BMW 330i features a double-joint spring strut front axle and a five-link rear axle. This setup provides a balance of sporty handling and ride comfort. The front suspension includes aluminum components to reduce unsprung weight, while the rear suspension is designed for precise wheel control and stability.

What is the ground clearance of the 2019-Present BMW 330i?

The ground clearance of the 2019-Present BMW 330i is approximately 140 mm (5.5 inches). This measurement ensures a low center of gravity for improved handling while maintaining sufficient clearance for everyday driving conditions.

Can the suspension be adjusted or upgraded on the BMW 330i?

Yes, the BMW 330i offers optional adaptive suspension with electronically controlled dampers. This system adjusts damping forces in real-time based on driving conditions and driver preferences. Additionally, BMW offers M Sport suspension as an upgrade, which lowers the vehicle by 10 mm and provides a firmer, sportier ride.

What is the recommended tire pressure for the BMW 330i to maintain optimal suspension performance?

The recommended tire pressure for the BMW 330i varies based on load and driving conditions. For normal driving, the front tires should be inflated to 32 psi (2.2 bar) and the rear tires to 35 psi (2.4 bar). Always refer to the tire pressure label on the driver's side door jamb for specific recommendations.

How often should the suspension components be inspected?

BMW recommends inspecting the suspension components every 10,000 miles or during routine maintenance intervals. Key components such as shock absorbers, struts, bushings, and control arms should be checked for wear, leaks, or damage to ensure optimal performance and safety.

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 330i Suspension System Overview

Coming Soon

Detailed technical overview of the suspension system, including component descriptions and functionality.

Adaptive Suspension Setup Guide

Coming Soon

Step-by-step guide to configuring and optimizing the adaptive suspension system for various driving conditions.

Suspension Maintenance Checklist

Coming Soon

Comprehensive checklist for inspecting and maintaining suspension components to ensure longevity and performance.

BMW Genuine Suspension Parts Catalog

Coming Soon

Official catalog of genuine BMW suspension parts, including part numbers and compatibility details.

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