Brake Vacuum Assist Failure

Multiple recalls have targeted the power assist vacuum system for the hydraulic brakes, citing lubrication issues leading to pump failure. This can result in a significantly harder brake pedal and reduced braking performance. Estimated repair cost: $800 - $1,500.

Electric Water Pump Failure

A recall addresses potential water ingress and short-circuiting of the electric water pump connector. Failure can lead to overheating and potential engine damage if not addressed promptly. Estimated repair cost: $700 - $1,200.

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2012 BMW Z4 Maintenance guide

Name: Maintenance dataset for 2012 BMW Z4
Creator: Carfocal

v1.0Updated Jul 4, 2026Daniel Wilson4 Sources Analyzed6 Critical Recalls

MAINTENANCE SUMMARY

The 2012 BMW Z4 requires diligent maintenance, particularly concerning its steering and braking systems, which have seen significant recalls. With 7 recalls and 94 TSBs, vigilance for potential issues is key.

View Critical Issue: Power Steering System Failure

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

94 TSBs | 7 Recalls

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Key Takeaways

Prioritize verification of recall completion for steering and braking systems.
The electric water pump is a notable component for inspection due to potential water ingress issues.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance