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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - California > FS: AR Design N54/N55 Downpipe Exhaust bolt set



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      03-11-2013, 08:45 PM   #1
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FS: AR Design N54/N55 Downpipe Exhaust bolt set

-Brand New-
AR Design N54/N55 Downpipe Exhaust bolt set


Includes class 10.9 Metric hardware (145,000PSI tensile strength, C32-C39 Rockwell, Zinc Plated) and Nord-Lock positive locking re-usable washers. These washers use a wedge locking action to create tension instead of friction to create a positive lock. When the bolt and/or nut is tightened the teeth grip and seat the mating surfaces. The NORD-LOCK washer is locked in place, allowing movement only across the face of the cams. Any attempt from the bolt/nut to rotate loose is blocked by the wedge effect of the cams.

Kit Includes:

4 class 10.9 zinc coated metric bolts
4 class 10.9 zinc coated nuts
8 Nord-Lock washers



Price is $12 local pick up only in SF bay area.
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      03-12-2013, 12:17 AM   #2
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I just noticed they gave me 16 washers instead of 8. lol.

you'll be getting 8, i'll use the other 8.
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      03-13-2013, 10:37 PM   #3
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      03-15-2013, 10:19 PM   #4
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will trade for lunch
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      03-18-2013, 02:49 PM   #5
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      03-22-2013, 07:15 PM   #6
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      03-22-2013, 10:00 PM   #7
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Actually there is suppose to be 16 nord locks per set. Two on each side of the hardware helps create the tension lock that prevents any movement of the nuts or bolts. You can find a pic or Ar's site although they clearly have a misprint to the number of nord locks included. I have a set myself.
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      03-23-2013, 09:35 AM   #8
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^ thanks

Including all 16
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      03-28-2013, 10:32 PM   #9
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