What are the recommendations for inspecting and maintaining sparking plugs on BMW 2500?

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.

Genuine BMW 2500 Spark Plug

Ignition Spark Plug

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BMW 2500 Spark Plug
Part Number: 12121267485
$7.44 MSRP: $9.68
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Product Specifications
- Replaced by: 12129062594
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1969-1970 BMW 2500
View related parts
BMW 2500 Spark Plug
Part Number: 12129062594
$7.44 MSRP: $9.68
You Save: $2.24 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12-12-1-267-485, 12-12-1-265-595
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1969-1970 BMW 2500

BMW 2500 Spark Plug

As part of a BMW 2500's operation the Spark Plug enables the combustion process through electrical energy to ignite fuel and air mixture inside the engine chamber. The Spark Plug consists of three key elements that include a metal threaded shell combined with a central electrode and embedded with a ceramic insulator to make a needed spark gap for spark generation. Each spark occurs 300-400 times in a minute when the vehicle is idling and reaches 1200 times when cruising speed activates so the Spark Plug wears itself out until replacement is necessary. During the production lifecycle of BMW 2500 vehicles manufacturers employed Spark Plugs featuring several ground electrodes and surface-discharge designs both to boost ignition performance and increase durability. Engine performance alongside protection from damage depends on using correct gaps between electrodes and appropriate heat levels. Vehicle evaluation through BMW 2500 Spark Plug readings helps identify engine states which ensures the vehicle achieves smooth operation.

If you are looking for OEM BMW 2500 Spark Plug, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW 2500 Spark Plug that come backed by the manufacturer's warranty.

BMW 2500 Spark Plug Parts Questions & Experts Answers

Spark Plug
12121267485
Q: What are the recommendations for inspecting and maintaining sparking plugs on BMW 2500?
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.

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