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Old 10-06-2012, 05:46 PM
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BeemerMikeTX BeemerMikeTX is online now
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Location: League City, TX and Santiago, Chile
 
Join Date: Jun 2010
Posts: 772
Mein Auto: Z3 3.0i Roadster, K1300S
Quote:
Originally Posted by Blacklane View Post
Many DIY guides say to use anti-seize on the spark plug threads. Both Bosch and NGK say NOT to use it on their spark plugs, since they already treat the threads and additional anti-seize leads to over-torquing. I suspect all manufacturers do this now,
Since the spark plugs have such a long service life (80k+ miles), I have always used a LIGHT coating of anti-seize on the threads, just to help ensure that the spark plugs do not seize to the aluminum cylinder head. To avoid over-torquing, I torque to a couple of foot-pounds (10%) less than the dry torque specification.
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Mike White
"That's right, you're not from Texas, but Texas wants you anyway." -LL
2001 Z3 3.0i Roadster (Topaz Blue Metallic, 5-speed manual, Sport Package, CD radio, heated seats and mirrors, non-power top via special order)
"Beemer" is for my BMW motorcycles - '13 K1300S, '95 R1100RS, '88 K75S, '75 R90S (gone, but not forgotten).
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