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PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 0
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PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 0
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 1
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 2
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 3
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 4
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 5
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 6
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 7
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 8
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 9
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 0
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 1
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 2
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 3
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 4
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 5
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 6
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 7
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 8
PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available) 9

PHILTOP® 97506 (SILZKBR8D8S) Double Iridium Spark Plug 1PC for 2011-2018 X5 (more available)

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SKU: 42ISSPP0451US
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Quantity

Replaces Part Number
SILZKBR8D8S, 97506, 12120039664, 8165, 12120040573, 12127622445, SILZKBR8E8S, APP5324, SILZKBR8C8S, 7429
Brand
‎PHILTOP
Part
Spark Plug
Center Electrode Core Material
Copper
Center Electrode Tip Material
Iridium
Ground Electrode Core Material
Nickel
Ground Electrode Tip Design
Square Platinum Electrode - High Ignitability
Ground Configuration
Standard
Ground Electrode Quantity
1
Electrical Terminal Type
Non-Removable Nut
Pre-Gap Size
.030 in/0.762 mm
Resistance
5000 Ohms
Hex size
9/25 in/14.00 mm
Insulator Height
50.00 mm
Manufacturer Heat Range
8
Seat Type
Flat
Reach
1.043 in/26.50 mm
Thread Diameter
12.00 mm

  • [Faster Starts] The double iridium spark plug enhances the center electrode design, concentrating spark energy and improving vehicle ignitability. It leads to smoother engine operation and eliminates misfire concerns.
  • [Longer Lifespan] PHILTOP automotive spark plugs feature double iridium construction for durability and resistance to heat and corrosion. They effectively burn off carbon deposits, extending the plug's lifespan.
  • [Fuel Economy] The 0.8mm fine wire iridium center wire tip design promotes optimal combustion and reduces carbon buildup. The external sealing gasket prevents gas leakage, enhancing fuel efficiency.
  • [Trivalent metal coating] The spark plug offers high temperature durability and robust construction, with excellent resistance to corrosion and seizure, ensuring easy installation and disassembly.
  • [Solid copper core] 98% pure copper core provides excellent heat dissipation, conductivity and ultra-wide thermal range.

Double iridium spark plugs

PHILTOP double iridium spark plug made of great materials, its outstanding performance bring us back to strong power and fast starts. The plugs can reach 100000Mi service lifetime, is ideal for high performance engines.

Installation Tips

Compatibility Information

2011-2018 X5

2011-2017 X3

2012-2016 328i

2013-2016 328i xDrive

2013-2015 X1

2011-2016 535i

2013-2018 320i

2011-2016 535i xDrive

2012-2016 528i

For more models, please match fitment to confirm! (Preset Gap: 0.8mm)

A recommended is ignition coil and spark plug be replaced together to avoid common dysfunctions.

Warm Tips:

  • When installation, please use a torque wrench to tighten according to the specified torque.

SILZKBR8D8S SPARK PLUGS

97506 Fine Center Electrode

Double Iridium spark plugs

The groove ripple and the design of multiple umbrella ribs on the insulator effectively prevents flying foxes and surface flashover, providing pretty insulation performance.

Iridium center electrode for better durability and more consistent and powerful spark, leading to better performance over lifetime of the spark plug.

Iridium materials with outstanding performance of anti-high temperature and corrosion resistance, anti-high voltage and oxidation resistance ensures the spark plug long service life.

Why choose PHILTOP spark plugs?

Finer Center Electrode

Higher Speed Start

Less Fuel Consumption

Smooth Driving Experience

Finer Center Electrode

Double iridium material with high melting point refuse to accumulate carbon, and the side electrode technology will not wear the spark plug gap, extending its service life

Higher Speed Start

Requires less voltage and produces a strong spark for improved ignition performance and faster and easier starting.

Less Fuel Consumption

Iridium electrodes and proper gaps will improve the ignition curve, allowing fuel to burn more efficiently and reducing emissions.

Smoother Driving Experience

Accelerates more steadily and smoothly, rejecting jerks, jams and sharp jumps.

IMPORTANT NOTICE IMPORTANT NOTICE

This product is intended for off-road, racing, or competition use only and is not legal for public road use or for vehicles subject to emissions regulations in the United States. Vehicles equipped with this product may fail emissions or state inspections.

Customers are responsible for ensuring compliance with all applicable local, state, and federal laws. Installation of aftermarket parts may also affect your vehicle warranty—please consult your manufacturer for warranty coverage.

International legality may vary; users should confirm local laws before installation.

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