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BMW 12121267485 Spark Plug

1968-1976 BMW 12-12-1-267-485

BMW 12121267485 Spark Plug
  • Part Description
    Spark plug
  • Replaced By
    12129062594
  • Manufacturer
    BMW
Customer Questions & Answers
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  • Product Specifications

    BrandGenuine BMW
    Manufacturer Part Number12121267485
    Part DescriptionSpark plug
    Item Weight0.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerBMW
    SKU12121267485
    WarrantyThis genuine BMW part is guaranteed by BMW's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Submodel
    1968-1976 BMW 2002
    1969-1970 BMW 2500
    1969-1970 BMW 2800
    1969-1971 BMW 2800CS
    1971-1974 BMW 3.0CS
    1973-1974 BMW 3.0S
    1975-1976 BMW 3.0Si
    1972-1974 BMW Bavaria, 2.8L, 3.0L

Customer Questions & Answers

Q:
Does PN fit the VIN? Posted by BMWPartsDeal Specialist
A:
You can Select Your Vehicle to check if 12121267485 fits your vehicle.
Posted by BMWPartsDeal Specialist
Q:
What is the importance of spark plugs and Spark Plug Wires in the engine operation and efficiency on BMW 2002? Posted by Customer
A:
The correct functioning of the spark plugs is essential for the engine's proper operation and efficiency. While specific plugs are recommended, it's wise to consult the plug manufacturer's guide when buying new ones, as specifications may change based on experience. Periodically, spark plugs should be removed for examination, cleaning, and potential replacement, especially if they've been used for 12,000 miles (19000 km) or their electrodes are significantly eroded. The plugs' appearance provides insights into the engine's condition: a clean and white insulator indicates a weak mixture or a hot plug, hard black deposits signify a rich mixture, an oily black appearance suggests engine wear, and light tan to greyish brown deposits indicate a proper mixture and a likely healthy engine. If there are long brown stains on the plug's exterior, it implies a faulty joint between the plug body and insulator, necessitating replacement. Sand blasting machines are effective in cleaning plugs and testing their condition under compression; plugs that don't spark at the recommended pressure should be replaced. The spark plug gap, crucial for optimal spark efficiency, should be set to 0.024 in (0.60mm). Use a feeler gauge to measure and adjust the gap by manipulating the outer electrode. Avoid bending the center electrode, as it might crack the insulation leading to plug failure. When reinstalling the plugs, use new washers and ensure the spark plug wires are in the correct firing order: 1, 3, 4, 2, with the first cylinder closest to the radiator. Lastly, regularly clean and wipe the spark plug wires, which typically don't need routine adjustments.
Posted by BMWPartsDeal Specialist
Q:
What are the recommendations for inspecting and maintaining sparking plugs on BMW 2500? Posted by Customer
A:
Sparking plugs should be of the recommended type, details of which are given in Technical Data. Inspect and clean the plugs regularly. When removing them, ensure that their recesses are clean and dry so that nothing can fall into the cylinders. Have the plugs cleaned on an abrasive blasting machine and tested under pressure with the electrode gaps correctly set at 0.6 to 0.7mm (0.024 to 0.028in). The electrodes should be filed until they are bright and parallel. The gaps must always be set by bending the outer electrode only. As a general rule, plugs should be cleaned and tested at about 6000 mile intervals and renewed at about 12,000 mile intervals, or before if badly worn. The HT leads from the distributor to sparking plugs and coil should be examined for cracks and defective insulation. Renew any lead found to be defective in any way. Lead connectors are of the plug-in type.
Posted by BMWPartsDeal Specialist
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Genuine BMW Part 12121267485, the Right Choice

Your vehicle deserves only genuine OEM BMW parts and accessories. To ensure reliability, purchase BMW part # 12121267485 Spark Plug. It is sometimes referred to as BMW Spark Plug. Our BMW parts and accessories are expedited directly from authorized BMW dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM BMW parts are the best for restoring your vehicle to factory condition performance. This part fits 1968-1976 BMW 2002, 1969-1970 BMW 2500, 1969-1971 BMW 2800CS, 1972-1974 BMW Bavaria.

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