The BMW F32/F33/F36 platform was initially designed for the next-generation 3 Series (E90/E91), but it was ultimately used for the 4 Series due to the 3 Series's larger size.
The 435i and M4 models are built on a separate chassis with different suspension tuning compared to the 428i and 420i variants.
The F32/F33/F36 cars have a slightly longer wheelbase than their E90/E91 predecessors, but they are wider and taller.
The 435i and M4 models feature an "S" spec variant that is based on the Track handling package with some additional features like larger brakes and stiffer suspension.
In 2016, BMW added a new 420d model to the lineup in select markets which features a more efficient version of the N47 turbocharged diesel engine.
The F32/F33/F36 cars have a unique "NBT" infotainment system that includes features like voice control and gesture recognition.
The M4 GTS model has an optional Track handling package with revised suspension, stiffer anti-roll bars, and larger Brembo brakes.
BMW offered a special edition of the 435i called the "First Edition" which featured unique styling elements and premium interior trim.
The F32/F33/F36 cars have an available "Comfort Access" system that allows passengers to open the doors without touching the handles, as well as automatic lighting control.
The M4 GTS has a 3D-printed titanium exhaust system that is designed for optimal performance and reduced weight.
In some markets, the F32/F33/F36 cars were offered with an optional "Sport Line" exterior trim package which features unique design elements like a black kidney grille and sporty side skirts.
The 435i and M4 models have an available "Driver Assist Plus" package that includes features like active driving assistance, lane departure warning, and parking assistant.
BMW offered a special edition of the 420d called the "Sheer Driving Pleasure Edition" which featured unique styling elements and premium interior trim.
The F32/F33/F36 cars have an available "Head-Up Display" that projects relevant information like speed, navigation, and driver assistance data onto the windshield.
In select markets, BMW offered a special edition of the M4 called the "30 Jahre M Edition" which featured unique styling elements and premium interior trim to commemorate 30 years of M division production.
The F32/F33/F36 cars have an available "Night Vision" system that uses thermal imaging cameras to provide enhanced visibility in low-light conditions.
BMW offered a special edition of the 435i called the "50 Jahre BMW M Edition" which featured unique styling elements and premium interior trim to commemorate 50 years of M division production.
The M4 GTS has an optional performance exhaust system that is designed for optimal sound quality and performance enhancement.
In some markets, the F32/F33/F36 cars were offered with an optional "Shadowline" exterior trim package which features unique design elements like a black kidney grille and sporty side skirts.
The 420d model has an available "Dinan Performance Tuning" system that provides enhanced performance and handling capabilities.
BMW offered a special edition of the M4 called the "50 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 50 years of M division production.
The F32/F33/F36 cars have an available "Drivetrain Assistant" system that helps to optimize performance and efficiency by automatically adjusting transmission gear ratios and throttle response.
In select markets, BMW offered a special edition of the 435i called the "50 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 50 years of M division production.
The M4 GTS has an optional lightweight roof that is made from carbon fiber reinforced plastic (CFRP) and provides a weight reduction of approximately 5 kg (11 lbs).
BMW offered a special edition of the 420d called the "Sheer Driving Pleasure Edition" which featured unique styling elements and premium interior trim to commemorate the brand's focus on driving pleasure.
The F32/F33/F36 cars have an available "Parking Assistant" system that provides enhanced parking assistance capabilities through automatic parallel parking and perpendicular parking functions.
In some markets, BMW offered a special edition of the M4 called the "30 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 30 years of M division production.
The M4 GTS has an optional lightweight engine cover made from CFRP that provides a weight reduction of approximately 2 kg (4.4 lbs).
BMW offered a special edition of the 435i called the "M Edition" which featured unique styling elements and premium interior trim to commemorate the brand's M division production.
The F32/F33/F36 cars have an available "Emergency Call" system that provides enhanced safety capabilities through automatic emergency call assistance in case of an accident or other critical situation.
In select markets, BMW offered a special edition of the 420d called the "50 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 50 years of M division production.
The M4 GTS has an optional lightweight exhaust system made from titanium that provides a weight reduction of approximately 3 kg (6.6 lbs).
BMW offered a special edition of the 435i called the "30 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 30 years of M division production.
The F32/F33/F36 cars have an available "Driving Assistant Professional" system that provides enhanced safety capabilities through automatic emergency call assistance, lane departure warning, and parking assistant functions.
In some markets, BMW offered a special edition of the M4 called the "50 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 50 years of M division production.
The M4 GTS has an optional performance brake upgrade that features larger Brembo brakes for enhanced stopping power and reduced fade resistance.
BMW offered a special edition of the 420d called the "Sheer Driving Pleasure Edition" which featured unique styling elements and premium interior trim to commemorate the brand's focus on driving pleasure.
The F32/F33/F36 cars have an available "Head-Up Display" system that provides enhanced visibility through projected navigation, driver assistance data, and other relevant information onto the windshield.
In select markets, BMW offered a special edition of the 435i called the "50 Jahre Jubiläumsausgabe" which featured unique styling elements and premium interior trim to commemorate 50 years of M division production.
The M4 GTS has an optional lightweight door sills made from CFRP that provide a weight reduction of approximately 2 kg (4.4 lbs) per door.