Engine-Codes.com
Engine-Codes – BMW – P0355 BMW

P0355 BMW Code - Ignition Coil Cylinder 5

Quick Answer

The P0355 code for BMW vehicles indicates a problem with the ignition coil for cylinder 5. Common causes include Faulty ignition coil, Defective spark plug, Wiring issues. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0355 BMW indicates Ignition Coil Cylinder 5.
Common causes
Common causes include Faulty ignition coil, Defective spark plug, Wiring issues.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0355 BMW Description

The P0355 code for BMW vehicles indicates a problem with the ignition coil for cylinder 5. The ignition coil is a crucial component of the ignition system, responsible for generating the high voltage needed to ignite the air-fuel mixture in the combustion chamber. In this case, the code specifically points to an issue with the ignition coil associated with the fifth cylinder of the engine.

OBDII Code P0355 BMW - Ignition Coil Cylinder 5
P0355 BMW Code - Ignition Coil Cylinder 5

Common Causes of P0355 BMW

  1. Faulty ignition coil
  2. Defective spark plug
  3. Wiring issues
  4. Electrical faults
  5. Mechanical problems within the engine

Symptoms of P0355 BMW

  1. Engine misfires or rough idling
  2. Reduced acceleration and power
  3. Engine stalling or hesitation
  4. Increased fuel consumption
  5. Check Engine Light illuminated on the dashboard

How to Fix P0355 BMW

  1. Diagnose the specific issue by using a diagnostic scanner to confirm the P0355 code and pinpoint the faulty ignition coil for cylinder 5.
  2. Disconnect the battery to ensure safety and prevent any electrical mishaps during the repair process.
  3. Remove the engine cover and locate the ignition coil for cylinder 5.
  4. Replace the faulty ignition coil with a new, high-quality component, ensuring proper installation and secure connections.
  5. Clear the error code using the diagnostic scanner, and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0355 BMW

The typical repair costs for addressing the P0355 code and replacing the ignition coil for cylinder 5 can range from $150 to $300, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to inquire about local rates for a more accurate estimate of the repair costs.

When is the Code Detected?

Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.

Need more information about the P0355 BMW code?

Need more information on how to fix the P0355 BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0355 BMW code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0355 BMW Code

What does the OBDII code P0355 mean for a BMW?

The code P0355 indicates a malfunction in the ignition coil for cylinder 5, which can result in misfires or poor engine performance.

What are common symptoms of the P0355 code?

Common symptoms include a rough idle, engine misfires, a decrease in power, and the check engine light being illuminated.

What can cause the P0355 code to trigger?

Causes can include a faulty ignition coil for cylinder 5, damaged wiring or connectors, a failed powertrain control module (PCM), or issues with the spark plug.

How can I diagnose the P0355 code?

Start by visually inspecting the ignition coil and its wiring for damage. Use a multimeter to test the resistance of the coil and check for spark at the plug.

What should I do if I have a P0355 code?

You should replace the ignition coil for cylinder 5, check the spark plug condition, and inspect the wiring and connectors for any faults.

Is it safe to drive my BMW with a P0355 code?

It is not advisable to drive the vehicle, as continued operation can lead to more severe engine damage and decreased fuel efficiency.

Can I clear the P0355 code after repairs?

Yes, once repairs are made, you can use an OBDII scanner to clear the code. However, ensure the underlying issue is resolved to prevent the code from returning.

What is the average cost to repair the P0355 code?

Repair costs can vary, but replacing the ignition coil typically ranges from $100 to $300, depending on labor rates and parts used.

Will replacing the ignition coil fix the P0355 code?

In most cases, replacing the faulty ignition coil will resolve the P0355 code, but it’s important to confirm there are no other underlying issues.

How can I prevent the P0355 code from reoccurring?

Regular maintenance, such as replacing spark plugs at recommended intervals and inspecting ignition components, can help prevent issues that trigger the P0355 code.

Discuss the causes and fixes for P0355 BMW OBDII Code

Submit a New Comment

Code P0355 BMW comments

No comments found for this page.