2008 BMW 335xi Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 BMW 335xi and How to Fix Them

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Reviewed by

Andrew Hajjar

Written by RepairPal Car Genius

Updated January 14, 2025

30% chance it's the

Sensor

25% chance it's the

Control Module

25% chance it's the

Throttle

20% chance it's

Something else

The most common reasons a 2008 BMW 335xi 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.

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RepairPal Certified shops can diagnose and repair your 2008 BMW 335xi electronics and electrical issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

How much does it cost to fix a 2008 BMW 335xi 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.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

How urgent is it to address the non-functioning cruise control in my 2008 BMW 335xi?

Addressing the non-functioning cruise control in your 2008 BMW 335xi is crucial for maintaining both comfort and convenience during your drives. While the malfunction may not pose immediate safety risks, it can lead to significant inconveniences, especially on long trips where cruise control is invaluable for reducing driver fatigue and maintaining a steady speed. Ignoring the symptoms of a malfunctioning system, such as blown fuses or faulty brake switches, can exacerbate the problem, potentially leading to more extensive repairs and increased costs down the line. Moreover, a malfunctioning cruise control system can detract from your overall driving experience, causing frustration and discomfort. Therefore, it is advisable to address this issue promptly to restore the functionality of your cruise control and ensure a more enjoyable driving experience.

Related 2008 BMW 335xi Problems

Read about related problems experienced by other BMW 335xi drivers like you.

Mitsubishi Diamante cruise control malfunction after drive line obstruction removal

Some Mitsubishi Diamante owners report experiencing cruise control malfunctions after removing a drive line obstruction, often linked to issues with the control module, sensor, or switch. These problems may stem from failed components that prevent the cruise control system from engaging or holding speed, despite power being available to the dash and fuse. Additionally, throttle actuation issues, such as a faulty throttle position sensor, can lead to the engine's computer overcompensating with fuel, which may result in black exhaust from the tailpipe. Owners are advised to thoroughly troubleshoot the cruise control system and inspect key components like the control module, sensor, and throttle to identify any damage or malfunction caused during the obstruction removal process.

4 model years affected

Avg Mileage: 1162,250

5 others reported problem

1 comment

Acura TL cruise control will not engage after multiple button presses

Some Acura TL owners report experiencing difficulties with their cruise control not engaging, even after multiple button presses. This issue may stem from a faulty cruise control switch on the steering wheel, which can malfunction and prevent proper engagement. Additionally, problems with the control module, sensors, or switches are common culprits behind cruise control failures. Throttle sensor failures can also contribute to these malfunctions. Some owners find that a bad clock spring, located behind the steering wheel, affects the functionality of the cruise control buttons. Furthermore, issues related to the cruise system components, such as the brake switch, cruise servo, or wiring, may also be involved. To diagnose the problem, some owners recommend using a scan tool to identify any fault codes that could be disabling the cruise control system. It is also advisable to check for blown fuses related to the cruise control system, as these can disrupt power supply to essential components. If the cruise control remains unresponsive, it is important to have the necessary components checked or replaced to effectively resolve the issue.

1 model year affected

See More 2008 BMW 335xi Problems

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