BMW 4 Series (F32)

The coupé models were unveiled in September 2013 at the Frankfurt Motor Show.[17] Nicolas Huet was the lead designer of the F32 coupe.[1][18]

The launch models consisted of the petrol 428i and 435i, and the diesel 420d.[19] In the remainder of 2013, the following models were added: 420i, 420d, 425d, 430d and 435d.[20][21] In 2014, the 418d model was added.[22] Most models were available with all-wheel drive ("xDrive").

The convertible body style was unveiled at the 2013 Tokyo Motor Show,[23] followed by the 2013 LA Auto Show.[24]

Its international launch was in Las Vegas in January 2014.[25] The launch models were the petrol-engined 428i and 435i, and the diesel 420d.[26] All-wheel drive (xDrive) became available a few months after the launch.[27]

Like its predecessor, the F33 has a three-part retractable hardtop. It includes noise-absorbing headliner and air curtains. A wind deflector and neck warmers were available as options.

The 4 Series Gran Coupé was unveiled at the 2014 Geneva Motor Show,[28] followed by 2014 New York International Auto Show[28] and the 13th Beijing International Automotive Exhibition in 2014.[29] Production of the Gran Coupé began in the Dingolfing plant in July 2014.[30][31]

As per the larger 6 Series Gran Coupé (F06), the F36 has coupé styling with a fastback rear. However, the F36 also includes a C-pillar located behind the rear doors. Compared with the F30 sedan, the F36 has 13 mm (0.5 in) less rear headroom and the same cargo volume. With the rear seats folded down, the F36 has a cargo volume of 1,300 L (45.9 cu ft).[32]

The launch models were the petrol-engined 420i, 428i and 435i, and the diesel 418d and 420d.[33][34] The 435i Gran Coupé is approximately 91 kg (200 lb) heavier than the equivalent F30 335i sedan.[35]

• Limited Edition 435i ZHP Coupé model released in the USA.[53]
• Engines upgraded, along with F30 3 Series LCI models.
  • 440i model replaces the 435i, and 430i model replaces the 428i.
  • 425d model introduced[54]

The facelift (LCI) changes were unveiled on 16 January 2017,[55][56] with the first pictures of the refreshed Coupé (F32 LCI) shown in the new color Snapper Rocks Blue (turquoise blue), and the Convertible (F33 LCI) shown in the also new, Sunset Orange colour (bright orange). The Gran Coupé (F36 LCI) model was shown in a silver colour.[57][58] Major changes include:

• Exterior design changes including redesigned LED headlights, tail-lights, and bumpers[59]
• Interior design changes including an updated iDrive system (version 6.0)[60]
• Revised stiffer suspension on Coupé and Gran Coupé models[61]
• New additional trim, wheel, and exterior colour options[62]

• 
  Post-facelift coupe
• 
  Post-facelift convertible
• 
  Post-facelift gran coupe

BMW M4 DTM

The M4 DTM was developed in 2013 to replace the E92 M3 DTM, has been raced in DTM from 2014 to the present. It was designed by BMW chief engineer Dominic Harlow and unveiled in official ITR tests in Budapest.[63][64] The M4 DTM replaced the retired BMW M3 DTM at the end of the 2013 season.

In its debut 2014 season, Marco Wittmann won the Drivers' Championship in the M4 and Team RMG won the Teams' Championship.[65] In the 2016 season, Marco Wittman again won the Drivers' Championship in the M4.[66]

The M4 were used as a safety car at DTM races from 2014–present.[67][68] The M4 DTM Safety Car features Recaro racing seats, a roll bar, bonnet with "motorsport lock", LED lights on the roof and LED lights on the front apron.[69]

The M4 was used as a safety car at MotoGP races from 2014–present. The car was unveiled at the 2014 Qatar motorcycle Grand Prix.[70][71] It features Recaro racing seats, a roll bar, bonnet with motorsport lock, LED lights at roof and front apron, main electricity switch at bonnet, removal of the rear seat, fuel pump system, a fire extinguisher and a race display on the steering wheel.