Axle, 2.64 final drive ratio

Years 2012, 2015, 2018–19 Models 3 Factory citations 3

Query this via API →

Also documented for Chevrolet

Documented applications

LaCrosse — E2XX, 3rd gen (2017–2019)

2018–2019 Factory-verified

2019: Base, Preferred, Essence, Premium: S; with LHN

GM factory document — 2018 buick lacrosse order guide copy gm authority, p.9.
GM factory document — 2019 buick lacrosse order guide copy gm authority, p.7.

LaCrosse — Epsilon II, 2nd gen (2010–2016)

2012, 2015 Factory-verified

2015: 1SB, 1SL FWD: S; with LUK; 2012: GM Authority 2012 RPO list

GM factory document — 2015 buick lacrosse fleet order guide wayback, p.4.

Regal — Epsilon II, 5th gen (2011–2017)

2012 Confirmed

2016 is left out: the 2016 guide sells it only inside LUK (p.23, p.25); new for 2012, with LUK (GM's 2012 list)

This page aggregates every documented appearance of FXJ in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.