Ignition System - Spark Plug Information/Application

Ignition System - Spark Plug Information/Application

SI M12 01 02

Engine Electrical Systems

August 2010

Technical Service

This Service Information bulletin supersedes SI M12 01 02 dated March 2009.

[NEW] designates changes to this revision

SUBJECT

Spark Plug Application

MODEL

R50 Cooper with the W10 engine

R53 Cooper S with the W11 engine

R52 Cooper or Cooper S Convertible with either the W10 or W11 engine

R52, R53 with W11 and John Cooper Works Tuning Kit

R55, R56, R57 Cooper (Clubman) with the N12 engine

R55, R56, R57 Cooper S (Clubman S) with the N14 engine

[NEW] R55, R56, R57, R60 Cooper (Clubman, Countryman) with the N16 engine

[NEW] R55, R56, R57, R60 Cooper S (Clubman S, Countryman S) with the N18 engine

SITUATION

The spark plug used for the R50, R52, and R53 MINI models, Cooper and Cooper S, is designated NGK BKR6EQUP.

The spark plug used for the Cooper S (R52, R53) with the John Cooper Works Tuning Kit (including the GP version) is designated NGK

BKR7EQUP.

This is a quad electrode spark plug design that incorporates a platinum-plated center electrode and four ground electrodes.

The spark plug used for the R55, R56, and R57 MINI models (Cooper and Clubman) equipped with the N12 engine is designated BERU

12ZR6SP03.

2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 357

The spark plug used for the R55, R56, and R57 MINI models (Cooper S and Clubman S) equipped with the N14 engine is designated NGK

ILZKBR7A-8G.

[NEW] The spark plug used for the R55, R56, R57, and R60 MINI models (Cooper, Clubman, and Countryman) equipped with the N16 engine is

designated BERU 12ZR6SP02.

[NEW] The spark plug used for the R55, R56, R57, and R60 MINI models (Cooper S, Clubman S, and Countryman S) equipped with the N18

engine is designated BERU 12ZR6-SPP2.

[NEW] The spark plug used for the R55, R56, R57, and R60 MINI models (Cooper S, Clubman S, and Countryman S) equipped with the N18

engine and the JCW Tuning Kit is designated NGK ILZKBR7A-8G.

PROCEDURE

For spark plug removal and installation instructions, refer to the MINI Repair Manual, group 12, section 12 12 011.