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Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53

Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53

Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53

Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53

Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53

Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53

Platinum Spark Plug NGK 4-pack | Gen1 Mini Cooper R50 R52 R53
Selected: Cooper & S - Multi-Ground Platinum
Part No: NMK3402
$49.99
Qty:
Fits the following:
MINI (2002-Current)
Alternate Products
MINI Cooper Spark Plug NGK Iridium 4-pack Gen1 R50 R52 R53 Cooper & S
$47.95 MINI Cooper Spark Plug NGK Iridium 4-pack Gen1 R50 R52 R53 Cooper & S
Spark Plug NGK Platinum 4-pack | Gen1 MINI Cooper R50 R52 R53 Cooper & S
$34.99 Spark Plug NGK Platinum 4-pack | Gen1 MINI Cooper R50 R52 R53 Cooper & S
A set of 4 NGK Multi-Ground Platinum Spark Plugs with 4 ground electrodes - a great replacement for your stock MINI Cooper.

Fits the following models:
2002 - 2006 R50 MINI Cooper and R53 Cooper S Hardtop 
2005 - 2008 R52 MINI Cooper and Cooper S Convertible

Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements in either supplementary gap, intermittent discharge, or semi-surface discharge, all for various firing tip self cleaning abilities. Platinum center electrode for extended life. Multi-ground plugs maintain all features of NGK's traditional plugs including corrugated ribs, pure alumina silicate ceramic insulator for greater strength and better heat transfer, copper core and triple interior seal.

 

Some combustion chamber designs (such as a rotary motor) require that the spark plugs have the ground electrode placed to the side of the center electrode rather than below as on a traditional plug (see photo). This firing tip design tends to erode the tip of the ground electrode faster than a traditional plug, erosion at these points creates a larger gap between the center and ground electrodes causing plug misfire. Thus by having more ground electrodes you extend plug life. It is important to note that multi-ground does not mean multi-spark, there will still only be one spark at a time.

Pre-gapped at 0.032"

Subject to manufactureres warranty.

14mm, 3/4" reach, 5/8" hex, gasket seat, resistor, ISO length, projected tip, extra long life platinum, fine point platinum on center electrode, 4 ground electrodes.

NOTE: MINI specifies spark plugs should be torqued 'unlubricated' to 27 Nm.

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Related Technical Articles:
Choose the Right Spark Plug For Your MINI Cooper
Created: June 25, 2015
Find the right spark plug to fit your MINI Cooper model.
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