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      08-31-2020, 08:20 AM   #65
Kankles
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Drives: Bavarian Milk Wagon
Join Date: Jun 2012
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2019 BMW M2C  [0.00]
Quote:
Originally Posted by m0butt View Post
For the top hat nut, is that 18mm or 22mm? And is that torqued to 50nm? I have a clunking noise with my V3s, pretty sure it's that nut. Going to order the needed tools, just want to make sure I'm ordering the right ones.
I know this is an older post but in case anyone else is curious. The stock 14x1.5 (ID) top nut is an 18mm (OD) and a schwaben tool is super helpful in removing.

https://www.ecstuning.com/b-schwaben...3046sch01a-01/

A lot of aftermarket (KW) use a 14x1.5 (ID) nylock style nut that has a 22mm (OD). For these a 22mm O2 sensor socket works really good.

TEKTON 47749 3/8-Inch Drive by 7/8-Inch (22 mm) Offset Oxygen Sensor Socket https://www.amazon.com/dp/B00GMN4D1Q..._VIptFbHQHRK4E
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