NGK PKW Katalog 2012-2013

V-Line
V-Line No. 30
V-Line No. 31, 34, 37
V-line No. 30
This is the long-life spark plug
BKR6EQUP developed in close
cooperation between BMW and
NGK, which is equipped with a
platinum middle electrode and
4 earth electrodes together with
state-of-the-art semi-surface gap
spark plug.
The semi-surface gap spark plug
requires a special design of the
insulator tip. This ensures that the
ignition spark always only jumps
between the electrodes which
offer the most favourable
conditions for reliable ignition of
the fuel/air mixture.
In view of the fact that the ignition
spark slides over the insulator tip
first before it can jump over the air
gap between insulator tip and
earth electrode, any deposits
The V-Line No. 31, 34, 37
NGK has developed the double
platinum spark plug PTR5D-10 for
FORD models powered by
ENDURA engines (V-Line No. 31).
The benefit of the platinum
electrodes is to lower the required
ignition voltage. As a result it is
possible to increase the gap
between the electrodes to
improve combustion and give
NGK ”V“ grooved Spark Plug Conventional NGK Spark Plug
Ground Masseelektrode electrode Ground Masseelektrode electrode
V-groove Spark
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Centre electrode Centre electrode
CYP
12
accumulated here are removed
immediately, reliably preventing
any misfiring. This therefore
guarantees optimum cold start
behaviour at very low
temperatures and greatest ignition
reliability even when the vehicle is
only driven for extremely short
distances.
This new type of NGK spark plug is
fitted in BMW engines from model
year 1997. Retrospective approval
has also been given for certain
older BMW vehicles from model
year 1987.
good idle stability. Better
combustion also results in
improved acceleration and lower
emissions.
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