Dec 17, 2013
BMW publishes 2014 NAIAS press kit naming the M3 Sedan and M4 Coupe world premieres.
Jan 13, 2014
World debut of the F80 M3 Sedan alongside the F82 M4 Coupe (and 2 Series Coupe) at the North American International Auto Show, Detroit, BMW stand 11:10 a.m.
May 2014
European market launch / launch press kit (dated May 19, 2014). M3 built at BMW Plant Regensburg on the 3 Series line; M4 at Plant Munich.
Summer 2014
US sales start as MY2015 ('early Summer 2014' per BMW NA; 'late spring 2014' per BMW Canada). US launch MSRP $62,000 + destination.
Jun 30, 2015
F80 M3 LCI (Life Cycle Impulse) build-date cutover per Bimmerpost: full-LED tail lights (from F30 LCI), iDrive NBT EVO ('iDrive 5' on forums), revised climate-control font. Becomes US MY2016.
Nov 23, 2015
NHTSA recall 15V782000 filed: driveshaft slip-joint possibly not greased (M3 built May 30, 2015 to Sep 2, 2015).
Jan 13, 2016
Competition Package announced for M3/M4: 444 hp (US) / 450 PS (EU), retuned Adaptive M suspension, 20-in Style 666M forged wheels, M sport exhaust, lightweight seats. US $5,500 on M3. Available from spring 2016.
May 29, 2016
'30 Years M3' (30 Jahre) edition announced: 500 cars worldwide, Macao Blue metallic, based on Competition Package (444 hp US / 450 PS EU), '30 Years M3 1/500' trim plaque. 150 to US (from Aug 2016, $83,250 with manual), 30 to UK.
Feb 28, 2017
Bimmerpost: F8x option-552 adaptive LED headlight design changed from this build date (F82/F83 LCI 'Icon' lights). F80 adoption tied to US MY2018 (July 2017 production).
Jul 2017
US MY2018 changes effective July 2017 production: LED headlights (5A2) standard, replacing xenon adaptive (522+524); iDrive 6.0 with touch screen; gloss-black 'M3' seat badge; new Style 666M Black Star-spoke 20-in wheels (2CQ) with Competition Package; rear-view camera standard. M3 MSRP $65,500 + $995.
Aug 11, 2017
BMW M announces CFRP driveshaft to be gradually replaced by a smaller-diameter steel shaft from November 2017 production (to make room for a petrol particulate filter).
Nov 7, 2017
M3 CS revealed: 453 hp / 443 lb-ft (460 PS / 600 Nm), 0-60 3.7 s, 174 mph limited, CFRP hood and roof, ~1,200 units worldwide (~550 US), M-DCT only.
Jan 30, 2018
BMWBlog reports F80 M3 production to end May 2018 because WLTP / OPF rules (from Jun 1, 2018) would require an Otto particulate filter.
Feb 5, 2018
BMW spokesperson (via Autocar) says the F80 M3 will be built until August 2018, not May.
Mar 2018
M3 CS production begins (ROW press kit: orders from January 2018, production from March 2018). US orders opened May 2018.
2018
End of F80 M3 production at Regensburg. BMW's own figure: 34,677 F80 M3s built (2012-2018 incl. pre-series). No M3 for MY2019-2020; the G80 M3 followed for MY2021.