Description
Product Overview
The Bosch 5114346-Kit is designed for ignition system maintenance, featuring matched components that support reliable performance. This ignition coil kit includes OE-level parts ensuring precision fitment and reliability. It addresses common symptoms such as misfires, poor acceleration, and difficulty starting, which may be indicative of ignition coil or spark plug issues. The kit includes essential components to assist in troubleshooting ignition system faults, making it a valuable option for those experiencing related problems.
Kit Contents
- 6 x Bosch – (0221504470) Ignition Coils
- 6 x NGK – (LZFR6AP11GS) Laser Platinum Spark Plugs
Cross Reference Numbers
This Bosch 5114346-Kit is equivalent to or replaces the following part numbers: 0221504467.
Vehicle Compatibility
- BMW 528i 3.0 (2010–2011)
- BMW Z4 3.0 (2010–2011)
- BMW X3 3.0 (2010–2012)
- BMW 128i 3.0 (2010–2013)
- BMW 328i 3.0 (2010–2013)
- BMW 328i xDrive 3.0 (2010–2013)
- BMW 528i xDrive 3.0 (2010)
- BMW X5 3.0 (2010)
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
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Frequently Asked QuestionsWhat are the symptoms of a failing ignition coil?
Common symptoms include engine misfires, rough idling, and reduced fuel efficiency. If you experience these issues, it may indicate a need for new ignition coils.
How often should ignition coils be replaced?
While there is no set interval, ignition coils can wear out over time. Signs of deterioration include frequent misfires or check engine light activation.
Can bad spark plugs cause misfires?
Yes, worn or faulty spark plugs can lead to misfires, which may be resolved by replacing them along with the ignition coils.
What is the connection between ignition coils and spark plugs?
Ignition coils provide the necessary voltage to the spark plugs to ignite the air-fuel mixture in the engine. Faulty coils can prevent spark plugs from firing properly.
Are there specific DTC codes associated with ignition coil issues?
Yes, common DTC codes include P0300 (random/multiple cylinder misfire detected) and P0301-P0306 (indicating specific cylinder misfires). These codes may help diagnose ignition system problems.
Order Bosch 5114346-Kit today to support a complete, well-matched repair for your vehicle.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
