Genuine NGK BKR8EIX Iridium IX spark plugs, supplied as a set of four for tuned MINI Cooper S and John Cooper Works models using the supercharged W11 engine.
Vehicle fitment
- MINI Hatch Cooper S / John Cooper Works R53 – W11 – 2002–2006
- MINI Convertible Cooper S / John Cooper Works R52 – W11 – 2004–2008
Performance application: BKR8EIX is an NGK heat-range 8 plug and is colder than the factory plug on many standard vehicles. Use only when this plug and heat range have been specified for the engine's tune and boost level. Confirm with your tuner or engine builder and check the required electrode gap before installation.
Product specifications
- Brand: NGK
- Part number / MPN: BKR8EIX
- NGK stock number: 2668
- Series: Iridium IX
- Quantity: 4 spark plugs
- Heat range: 8
- Thread diameter: 14 mm
- Thread reach: 19 mm
- Hex size: 16 mm (5/8 inch)
- Centre electrode: 0.6 mm iridium
- Resistor type: Yes
Reference numbers
NGK BKR8EIX / 2668; DENSO IK24 / 5311. References are supplied for identification only—always confirm the plug specification and required heat range for the individual engine.
Before ordering
Match BKR8EIX to the plug currently fitted or to written guidance from your tuner. Vehicle registrations can cover more than one engine specification, and modified engines may require a different gap or heat range.
Delivery & returns
- Free UK delivery with an estimated 2–3 working-day service
- 30-day returns, subject to the item being returned in its original condition