Ignition Coil & Spark Plugs for BMW X6 (2008-2014) 4.4L V8

Direct-Fit Ignition Coil & Spark Plugs for 2008-2014 BMW X6

What it is: A complete set of eight precision-wound ignition coils and eight platinum-tipped spark plugs designed to restore optimal combustion and resolve misfire codes on the 4.4L twin-turbo V8.

The Stock X6 Ignition Weakness

The N63 and S63 powerplants are notorious for excessive engine bay temperatures and aggressive heat cycling due to their reverse-flow "hot-V" twin-turbocharger configuration. Over time, this extreme thermal load degrades the epoxy resin and internal windings of the factory ignition coils, leading to internal shorting and high-voltage leaks. Simultaneously, the OEM spark plug electrodes wear down under high boost pressures, gradually increasing the spark gap. This combination manifests as erratic idling, hesitation under heavy acceleration, flashing check engine lights, and recurring drivetrain malfunction warnings associated with P0300-series engine misfire codes.

The Engineering Solution

This comprehensive ignition service kit engineers out the factory shortcomings by utilizing upgraded materials built for extreme thermal resistance. The replacement coils feature reinforced dielectric epoxy, high-conductivity copper core windings, and upgraded silicone boots that resist cracking and moisture intrusion even in the punishing environment of the N63's hot-V valley. Paired with eight platinum-tipped spark plugs, this kit ensures a concentrated, high-energy spark that prevents spark blowout under peak manifold pressure. The platinum center electrode provides superior resistance to erosion compared to standard copper plugs, maintaining a precise gap over an extended service life to help ensure smooth idle, restored fuel economy, and consistent power delivery throughout the RPM range.

Technical Specifications

Compatibility

• 2008-2014 BMW X6 xDrive50i (4.4L V8)
• 2010-2014 BMW X6 M (4.4L V8)
• 2010-2011 BMW X6 ActiveHybrid (4.4L V8)

The BMW Precision Standard

Engineered to meet exact OEM dimensional tolerances for the E71 chassis, this ignition package is designed to ensure plug-and-play installation. Designed specifically for Euro applications, it delivers precise voltage output to communicate flawlessly with the DME, ensuring a clean idle, restored torque, and a reliable, code-free dashboard.

Common Questions

What is included in this ignition tune-up kit?
This complete kit includes eight precision-wound ignition coils with upgraded silicone boots and eight platinum-tipped spark plugs to service all eight cylinders on your 4.4L V8.

Will this kit fit my 2010-2014 BMW X6 M?
Yes, this set is a direct fit for the 2010-2014 BMW X6 M with the 4.4L S63 V8, as well as the 2008-2014 X6 xDrive50i and 2010-2011 X6 ActiveHybrid with the 4.4L N63 V8.

Does this fit the 6-cylinder BMW X6 models?
This 8-cylinder kit is engineered specifically for the 4.4L twin-turbo V8 (N63 and S63) models.

Which factory part numbers do these ignition coils replace?
These coils directly replace OEM and cross-reference part numbers 12137523345, UF667, 2IGC0102, C1638VC, and IC770SB.

Are any modifications required for installation?
Installation is plug-and-play. The coils and spark plugs are built to exact OEM dimensional tolerances and voltage specs to connect directly to your factory wiring and DME.