BMW 528i 2004-2010

BMW 528i 2004-2010 Suspension Specifications

Detailed technical specifications for the suspension system of the 2004-2010 BMW 528i, including front and rear suspension components, alignment settings, and torque values for critical fasteners.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the suspension specifications for the 2004-2010 BMW 528I, 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. Each section is organized by major suspension components and their respective subsections.

Key Specifications

Front Strut Diameter

50 mm

Rear Shock Stroke

120 mm

Front Spring Rate

25 N/mm

Rear Camber Angle

-1.5° to -2.0°

Front Anti-Roll Bar Diameter

24 mm

Available Specifications

Front Suspension

Detailed information about the front suspension system, including struts, control arms, and steering components

Front Strut Assembly

MacPherson strut design with integrated coil spring
Strut diameter: 50 mm
Spring rate: 25 N/mm
Bump stop length: 70 mm
Strut mount bearing type: Ball bearing

Front Control Arms

Material: Forged aluminum
Bushings: Hydraulic rubber bushings
Control arm length: 320 mm
Ball joint type: Sealed, maintenance-free
Note: Replace bushings every 60,000 miles for optimal performance

Note: Inspect control arms for wear or damage during routine maintenance.

Rear Suspension

Technical details of the rear suspension system, including shock absorbers, trailing arms, and springs

Rear Shock Absorbers

Twin-tube gas-filled design
Shock absorber stroke: 120 mm
Damping force: Adjustable (comfort/sport modes)
Mounting type: Top-mounted with rubber isolators
Note: Shock absorbers should be replaced in pairs

Rear Trailing Arms

Material: High-strength steel
Bushings: Polyurethane for improved durability
Trailing arm length: 450 mm
Alignment adjustment: Camber and toe adjustable
Note: Inspect bushings for cracking or wear every 30,000 miles

Suspension Geometry

Specifications and measurements related to suspension alignment and geometry

Alignment Specifications

Front camber: -0.5° to -1.0°
Front toe: 0.10° to 0.20°
Rear camber: -1.5° to -2.0°
Rear toe: 0.15° to 0.25°
Note: Alignment should be checked after suspension component replacement

Ride Height

Front ride height: 140 mm (measured from wheel center to fender)
Rear ride height: 135 mm (measured from wheel center to fender)
Tolerance: ±5 mm
Note: Ride height may vary with aftermarket components

Suspension Components

Detailed specifications for individual suspension components

Anti-Roll Bars

Front anti-roll bar diameter: 24 mm
Rear anti-roll bar diameter: 15 mm
Material: Hollow steel
Bushings: Rubber with graphite coating
Note: Anti-roll bars reduce body roll during cornering

Spring Specifications

Front spring wire diameter: 12 mm
Rear spring wire diameter: 10 mm
Spring free length: 380 mm (front), 400 mm (rear)
Spring rate: 25 N/mm (front), 22 N/mm (rear)
Note: Springs are color-coded for identification

Search Specifications

Search by specification name, value, or description

Component Specifications

Front Suspension

Type: MacPherson strut with lower control arm

Spring Rate: 28 N/mm

Shock ABSorber Type: Gas-filled twin-tube

Strut Part Number: 31306777734

Control Arm Part Number: 31126769717

Bushing Material: Rubber with aluminum housing

Anti Roll Bar Diameter: 25.5 mm

Anti Roll Bar Part Number: 31356758671

Rear Suspension

Type: Multi-link independent suspension

Spring Rate: 32 N/mm

Shock ABSorber Type: Gas-filled monotube

Trailing Arm Part Number: 33326769718

Lateral Link Part Number: 33326769719

Anti Roll Bar Diameter: 15 mm

Anti Roll Bar Part Number: 33556758672

Shock ABSorbers

Front Shock Part Number: 31306777734

Rear Shock Part Number: 33526769720

Front Shock Travel: 150 mm

Rear Shock Travel: 140 mm

Compression Damping: 1200 Ns/m

Rebound Damping: 1800 Ns/m

Springs

Front Spring Part Number: 31336777735

Rear Spring Part Number: 33536777736

Front Spring Free Length: 380 mm

Rear Spring Free Length: 400 mm

Front Spring Wire Diameter: 12.5 mm

Rear Spring Wire Diameter: 13 mm

Bushings

Front Control Arm Bushing Part Number: 31126769721

Rear Trailing Arm Bushing Part Number: 33326769722

Front Anti Roll Bar Bushing Part Number: 31356758673

Rear Anti Roll Bar Bushing Part Number: 33556758674

Bushing Material: Polyurethane with steel sleeve

Alignment Specifications

Front Camber: -0.5° to +0.5°

Rear Camber: -1.5° to -0.5°

Front Toe: 0.10° to 0.20°

Rear Toe: 0.15° to 0.25°

Caster: 6.5° to 7.5°

Thrust Angle: 0° ± 0.2°

Torque Specifications

Front Strut Mount Nuts: 50 Nm

Rear Shock ABSorber Bolts: 70 Nm

Front Control Arm Bolts: 90 Nm

Rear Trailing Arm Bolts: 110 Nm

Anti Roll Bar Link Nuts: 40 Nm

Diagnostic Specifications

Shock ABSorber Leak Test: No visible fluid leakage

Bushing Wear Limit: No cracks or excessive play

Spring Sag Limit: Max 10 mm deviation from free length

Anti Roll Bar Play Limit: Max 2 mm lateral movement

Operational Limits

Max Load Front Axle: 1000 kg

Max Load Rear Axle: 1100 kg

Max Speed With Load: 220 km/h

Min Ground Clearance: 140 mm

Maintenance Specifications

inspection Interval: Every 30,000 miles or 24 months

Lubrication Points

Front control arm bushings
Rear trailing arm bushings
Anti-roll bar links

Replacement intervals: Shock ABSorbers: 60,000 miles or 48 months
Bushings: 80,000 miles or 60 months
Springs: 100,000 miles or 72 months

Service Information Service

Detailed service requirements and schedules for the suspension system

30,000 miles

24 months

Inspect shock absorbers for leaks
Check bushings for wear and cracks
Verify alignment specifications

Replace worn components as necessary

60,000 miles

48 months

Replace shock absorbers
Inspect and lubricate suspension bushings
Check anti-roll bar links for play

Use only BMW-approved parts

100,000 miles

72 months

Replace suspension springs
Inspect and replace all bushings if necessary
Perform full suspension alignment

Ensure all torque specifications are adhered to

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the recommended torque specification for the front strut mount bolts on a 2004-2010 BMW 528i?

The recommended torque specification for the front strut mount bolts is 18 Nm (13 lb-ft) for the three smaller bolts and 64 Nm (47 lb-ft) for the central nut. Ensure proper alignment during installation to avoid suspension noise or premature wear.

What is the ride height specification for the 2004-2010 BMW 528i suspension?

The factory ride height for the 2004-2010 BMW 528i is approximately 140 mm (5.5 inches) from the wheel center to the fender lip for the front suspension and 145 mm (5.7 inches) for the rear suspension. Variations may occur due to trim levels or optional sport suspension packages.

How often should the suspension components be inspected on a 2004-2010 BMW 528i?

BMW recommends inspecting suspension components, including bushings, struts, and control arms, every 30,000 miles or during routine maintenance. Pay special attention to signs of wear such as uneven tire wear, knocking noises, or reduced handling performance.

What is the spring rate for the standard suspension on a 2004-2010 BMW 528i?

The standard suspension spring rate for the 2004-2010 BMW 528i is approximately 22 N/mm (126 lb/in) for the front springs and 28 N/mm (160 lb/in) for the rear springs. Sport suspension packages may have higher spring rates for improved handling.

Can I replace the rear shock absorbers on a 2004-2010 BMW 528i without specialized tools?

Replacing rear shock absorbers requires specialized tools, such as a spring compressor, to safely disassemble and reassemble the suspension components. Improper handling can result in serious injury or damage to the vehicle. It is recommended to consult a professional or refer to the official BMW repair manual.

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 528i Suspension Repair Manual

Coming Soon

Official BMW repair manual for the 2004-2010 528i, covering detailed suspension service procedures, torque specifications, and safety precautions.

Suspension Component Replacement Guide

Coming Soon

Step-by-step guide for replacing common suspension components, including struts, control arms, and bushings, with OEM part recommendations.

BMW Suspension Troubleshooting Tips

Coming Soon

Diagnostic tips for identifying common suspension issues such as noise, uneven tire wear, and handling problems specific to the 2004-2010 BMW 528i.

Genuine BMW Suspension Parts Catalog

Coming Soon

Catalog of genuine BMW suspension parts for the 2004-2010 528i, ensuring compatibility and optimal performance.

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