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Description
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Bike Fitment
Description
Bosch Spark Plug - W6DC
Non-resistor spark plug - W 6 DC - produced by Bosch
Equivalent to BMW part # 12 12 1 338 145 ( 12121338145 )
12 12 1 338 145
12121338145
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William Snead (NC) | May 8th, 2023
These shipped and arrived quickly (next day!) as, like B2V, I'm in North Carolina. These are the proper, non-resistor plugs for my 1981 R65 airhead. They come with terminal nuts, which is the fitment for my plug wires, but if you have plug wires that "zip" onto the terminal screw beneath, you'll have to remove the terminal nuts. No biggie.
Edward J | August 23rd, 2021
Only slightly disappointed in Bosch. The W6DC is now made in Russia not Deutschland. Also the cap on the plugs were very tight and since I'm using NGK 5kohm caps the bare threads are needed to fit. These are the recommended for my 1981 R100RT. Not enough miles on them yet to detect any change in performance.
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