Spark Plug for 2011-2012 BMW Alpina B7 & More - NGK 1555

$23.99
NGK Spark Plug 1555
NGK Spark Plug 1555

Vehicles this part fits
    Part number: 1555
    UPC: 087295115558
    Condition: New
    Weight: 0.10 LBS
    Item Package Quantity: 1
    $23.99
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    NGK Spark Plug P/N:1555
    NGK Spark Plug P/N:1555
    $23.99
    $23.99

    NGK 1555 spark plug for the 2011-2012 BMW Alpina B7 V8 4.4L and other vehicles ignites the air-fuel mixture in the cylinder. Among NGK spark plugs, it has a platinum tip on the ground electrode for even wear in distributorless ignition systems.

    • Laser Iridium High Ignitability design with a square platinum ground electrode (SPE) for high-heat engines
    • Iridium alloy center electrode, six times denser than platinum, with a very high melting point
    • Pure alumina ceramic insulator and a 98% pure copper core for heat dissipation and conductivity
    • Trivalent metal plating for anti-corrosion and anti-seizing protection and easier installation and removal

    Quick facts

    • Part: NGK 1555 spark plug
    • Fits: 2011-2012 BMW Alpina B7 V8 4.4L and other vehicles

    Hard starting, a rough idle or a misfire can mean the plugs are worn. Ignition coils, fuel delivery or a vacuum leak can be behind these signs too, so find the cause before buying new plugs.

    Fits

    The 2011-2012 BMW Alpina B7 xDrive V8 4.4L and the 2011-2012 BMW Alpina B7L V8 4.4L are among the vehicles this spark plug fits, and it fits more besides. Open the "Vehicles it fits" section to check your exact model and engine.

    Specifications

    Fit and size

    • Quantity per vehicle: 8
    • Thread size: M12 - 1.25
    • Hex size: 14mm Bi-Hex

    Build and materials

    • Metallurgy: iridium and platinum
    • Center electrode: iridium alloy
    • Ground electrode: platinum, Square Platinum Electrode (SPE)
    • Core: 98% pure copper
    • Plating: trivalent metal
    • Nut: non-removable
    • NGK part number: SIZKBR8A8HS

    In the box

    One spark plug. The 2011-2012 BMW Alpina B7 V8 4.4L takes eight, so plan on eight plugs.

    Interchange: 12 12 0 038 507 · SIZKBR8A8HS

    This part cross-references / interchanges with the following part numbers:

    12 12 0 038 507, 12120038507, 1555, SIZKBR8A8HS

    Frequently Asked Questions

    Does the NGK 1555 fit the 2011-2012 BMW Alpina B7 V8 4.4L?

    Yes, NGK 1555 fits the 2011-2012 BMW Alpina B7 V8 4.4L, which takes eight plugs; check other models in the "Vehicles it fits" section.

    Does one NGK 1555 listing cover a full set of plugs?

    No. This listing is one spark plug, and the engines it fits take eight, so plan on ordering eight.

    Does the NGK 1555 count among NGK iridium spark plugs?

    Yes. NGK 1555 has an iridium alloy center electrode with a platinum tip on the ground electrode.

    What thread and hex size does this spark plug have?

    This spark plug has an M12 - 1.25 thread and a 14mm Bi-Hex.

    How do I tell if an NGK 1555 plug is worn out?

    Look at the electrodes with the engine off and cool. Rounded or eroded tips point to wear on an NGK 1555 plug.

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