2006 BMW Z4 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 BMW Z4 and How to Fix Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2006 BMW Z4 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent acceleration and poor engine response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2006 BMW Z4 cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the common problems that could cause the cruise control to stop working in a 2006 BMW Z4?

When troubleshooting cruise control issues in a 2006 BMW Z4, it's important to consider several common problems that could be at play. One frequent culprit is a malfunctioning brake or clutch pedal switch, which can prevent the cruise control from engaging properly. Additionally, wiring issues, particularly short circuits in the third brake light wire near the trunk hinge, can disrupt the cruise control system's functionality. If the vehicle's onboard diagnostics detect a fault, it may trigger a warning light on the dashboard, indicating a need for further investigation. Furthermore, components directly related to the cruise control system, such as the stalk or control module, may also be faulty and require inspection. By systematically checking these areas, DIYers can effectively diagnose and potentially resolve the cruise control malfunction, restoring functionality to this convenient feature.

How urgent is it to address the malfunctioning cruise control in a 2006 BMW Z4?

Addressing a malfunctioning cruise control in a 2006 BMW Z4 is not just a matter of convenience; it is a critical safety concern that should be prioritized. When cruise control fails, it can indicate deeper issues within the vehicle's systems, such as faulty sensors or computer malfunctions, which could compromise the overall safety of the vehicle. Ignoring these symptoms can lead to dangerous situations, especially during long drives where cruise control is frequently utilized. A warning light on the dashboard is a clear signal that something is amiss and should not be overlooked, as it may point to more significant problems that could escalate if left unaddressed. Additionally, a simple check for blown fuses can often reveal the root cause of the malfunction, making it an essential first step in the diagnostic process. By taking prompt action to resolve cruise control issues, you not only enhance your driving experience but also ensure the safety of yourself and others on the road.

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2006 BMW Z4 Cruise Control Issues: Causes & Repair Costs