I'm finally diving in to replacing both CATS in my 2009 X5 3.0i, for better or worse. Anyone have the recommended torque value for the manifold-to-engine head nuts? The nuts are 11 mm (socket size, not diameter).

While I'm at it, the CAT pipe flange to exhaust pipe flange nuts as well?

Thanks!

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2009 X5 3.0
2001 X5 4.4 - Sold