Description
Product Overview
The Bosch Ignition Coil Kit (MPN: 5114177-Kit) supports the maintenance and repair of ignition systems in various BMW models. This kit provides an OE-level, all-in-one set of matched components designed for precision fitment and reliability. Common symptoms of ignition system issues may include engine misfires, rough idling, and decreased fuel efficiency. The components in this kit are meant to address these issues effectively.
Kit Contents
- 6 x Bosch – (0221504464) Ignition Coils
- 6 x NGK – (3199) Laser Platinum Spark Plugs
Cross Reference Numbers
This Bosch 5114177-Kit is equivalent to or replaces the following part numbers: 0221504464, 3199.
Vehicle Compatibility
- BMW 325i 2.5 (2003–2005)
- BMW 325xi 2.5 (2003–2005)
- BMW 330i 3.0 (2003–2005)
- BMW 330xi 3.0 (2003–2005)
- BMW 525i 2.5 (2003–2005)
- BMW 530i 3.0 (2003–2005)
- BMW Z4 2.5 (2003–2005)
- BMW Z4 3.0 (2003–2005)
- BMW 325Ci 2.5 (2003–2006)
- BMW 330Ci 3.0 (2003–2006)
- BMW X5 3.0 (2003–2006)
- BMW X3 2.5 (2004–2005)
- BMW X3 3.0 (2004–2006)
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 signs of a failing ignition coil?
Common signs include engine misfires, rough idling, and difficulty starting the vehicle. Additionally, you may experience a decrease in fuel efficiency.
Can a faulty spark plug affect ignition coil performance?
Yes, a faulty spark plug can lead to increased stress on the ignition coil, potentially causing misfires and other ignition system issues.
How often should ignition coils be replaced?
It is generally recommended to inspect ignition coils during regular maintenance and replace them if symptoms like misfires or rough running occur.
What is the role of the ignition coil in the engine?
The ignition coil transforms the battery’s low voltage into the high voltage needed to ignite the air/fuel mixture in the engine’s cylinders.
Are there any specific diagnostic trouble codes (DTC) related to ignition coils?
Yes, codes such as P0300 to P0306 indicate misfires in the engine and can be directly related to faulty ignition coils or spark plugs.
Order Bosch 5114177-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.
