Exhaust Flange Nut for S55 Turbo Manifold - F87 M2, F80 M3, F82/F83 M4

The S55 engine uses this M7 copper hex nut to fasten the pair of turbochargers to the engine cylinder head.

This part is listed by BMW as BMW part number 11657851195 (11-65-7-851-195) and is described as Copper Hex Nut for Exhaust Manifold on F87 M2 Competition (2019+), F80 M3 Sedan (2015-2020), and F82/F83 M4 Coupe/Convertible (2015, 2016, 2017, 2018, 2019, 2020).

Sold individually - S55 engine uses a total of 18 of this nut.

We also recommend ordering 2 of copper nut part # 11721437202 to complete the set of manifold nuts.  See below for BimmerWorld Recommended Related Items.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.