BMW 5 Series Evolution — E12 to G60

E12 (1972-1981) — The Original

• First 5 Series, replaced the "New Class" sedans
• Engines: 1.8L-3.5L four and six-cylinder
• Designed by Paul Bracq
• Established the executive sedan formula

E28 (1981-1988) — The Refined One

• Evolutionary design over E12
• First M5 (E28 M5, 1985) — hand-built, 286 hp S38 inline-six
• Introduced ABS as an option
• Engines: 1.8L-3.5L, plus M88/S38 (M5)

E34 (1988-1996) — The Technological Leap

• All-new platform, significant quality improvement
• First 5 Series Touring (wagon)
• V8 option (M60) introduced
• M5: 3.5L/3.8L S38, 315-340 hp
• First 5 Series with traction control

E39 (1995-2003) — The Best One

• Widely regarded as the best 5 Series and one of the best sedans ever made
• Perfect balance of comfort, handling, and build quality
• Aluminum front suspension
• M5: S62 4.9L V8, 400 hp — the definitive super sedan
• Last 5 Series with hydraulic steering (pure feel)

E60/E61 (2003-2010) — The Controversial One

• Chris Bangle design — polarizing styling
• First iDrive system in 5 Series
• N54 twin-turbo introduced (535i)
• M5: S85 5.0L V10, 507 hp — F1-inspired
• Complex electronics, mixed reliability

F10/F11 (2010-2017) — The Comfortable One

• More comfort-oriented than E60
• Excellent ride quality
• N20 four-cylinder turbo introduced to 5 Series (528i)
• M5: S63 4.4L twin-turbo V8, 560 hp
• First 5 Series with electric power steering

G30/G31 (2016-2023) — The Tech One

• CLAR platform, significant weight reduction
• Advanced driver assistance systems
• B58 inline-six (540i/M540i)
• M5: S63 4.4L twin-turbo V8, 600 hp, first AWD M5
• Gesture control, wireless CarPlay

G60/G61 (2023-present) — The Electric One

• Latest generation, available as i5 (fully electric)
• B48/B58 ICE options continue
• 48V mild hybrid on most variants
• M5: S68 V8 + electric motor, 727 hp hybrid
• Most technologically advanced 5 Series ever