BMW 1 Series Repair Manuals
Free BMW 1 Series repair manuals [pdf] for do-it-yourselfers. Content: general information; maintenance; common specs & procedures; DTC index (trouble codes); accessories & equipment; body & frame; brakes; driveline/axles; electrical; wiring diagrams; engine; engine performance; HVAC; lighting; restraints; steering; suspension; transmission.
 The first generation BMW 1 Series was introduced in 2004. Technical specs: Class: subcompact executive car; Layout: front-engine, rear-wheel drive; Body style: 2-door coupe (E82), 2-door convertible (E88), 3-door hatchback (E81), 5-door hatchback (E87); Wheelbase: 104.7 in (2,660 mm); Length: 166.4-172.4 in (4,227-4,380 mm); Width: 68.8-71.0 in (1,748-1,803 mm); Height: 55.9-56.3 in (1,420-1,430 mm); Engines: 1.6L N43 I4 produced 121 hp (90 kW) and 118 lb·ft (160 N·m); 1.6L N45 I4 produced 114 hp (85 kW) and 111 lb·ft (150 N·m); 2.0L N43 I4 produced 121 hp (90 kW) and 136 lb·ft (185 N·m); 2.0L N46 I4 produced 127 hp (95 kW) and 133 lb·ft (180 N·m); 3.0L N52 I6 produced 215 hp (160 kW) and 199 lb·ft (270 N·m); 3.0L N54 I6 produced 302 hp (225 kW) and 295 lb·ft (400 N·m); 3.0L N55 I6 produced 320 hp (239 kW) and 317 lb·ft (430 N·m); 2.0L M47 I4 produced 121 hp (90 kW) and 207 lb·ft (280 N·m); 2.0L N47 I4 produced 114 hp (85 kW) and 192 lb·ft (260 N·m); Transmissions: 6-speed ZF 6HP automatic; 7-speed Magna 7DCI600 M-DCT dual-clutch; 5-speed manual; 6-speed manual.
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 2004-2011 BMW E81 repair manual
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2004-2011 BMW E81 wiring diagrams
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2004-2011 BMW E82 repair manual
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2004-2011 BMW E82 wiring diagrams
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2004-2011 BMW E87 repair manual
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2004-2011 BMW E87 wiring diagrams
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2004-2011 BMW E88 repair manual
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2004-2011 BMW E88 wiring diagrams
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The second generation BMW 1 Series was introduced in 2012. Technical specs: Class: subcompact executive car; Layout: front-engine, rear-wheel drive or all-wheel drive; Body style: 3-door hatchback (F21), 5-door hatchback (F20); Wheelbase: 105.9 in (2,690 mm); Length: 170.2 in (4,324 mm); Width: 69.5 in (1,748-1,803 mm); Height: 55.9 in (1,421 mm); Engines: 1.5L B38 I3 produced 107 hp (80 kW) at 4,500-6,000 rpm and 133 lb·ft (180 N·m) at 1,250-3,900 rpm; 1.6L N13 I4 produced 134 hp (100 kW) at 4,400-6,450 rpm and 162 lb·ft (220 N·m) at 1,350-4,300 rpm; 2.0L B48 I4 produced 181 hp (135 kW) at 5,000 rpm and 214 lb·ft (290 N·m) at 1,350-4,250 rpm; 2.0L N20 I4 produced 215 hp (160 kW) at 5,000 rpm and 229 lb·ft (310 N·m) at 1,350-4,800 rpm; 3.0L B58 I6 produced 335 hp (250 kW) at 5,500 rpm and 369 lb·ft (500 N·m) at 1,520-4,500 rpm; 3.0L N55 I6 produced 322 hp (240 kW) at 5,800-6,400 rpm and 332 lb·ft (450 N·m) at 1,300-4,500 rpm; 1.5L B37 I3 produced 95 hp (71 kW) at 4,000 rpm and 177 lb·ft (240 N·m) at 1,500-2,750 rpm; 1.6L N47 I4 produced 114 hp (85 kW) at 4,000 rpm and 192 lb·ft (260 N·m) at 1,750-2,500 rpm; 2.0L B47 I4 produced 188 hp (140 kW) at 4,000 rpm and 295 lb·ft (400 N·m) at 1,750-2,500 rpm; 2.0L N47 I4 produced 215 hp (160 kW) at 4,400 rpm and 332 lb·ft (450 N·m) at 1500-2500 rpm; Transmissions: 8-speed ZF 8HP automatic; 6-speed manual.
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2012-2019 BMW F20 repair manual
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2012-2019 BMW F20 wiring diagrams
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2012-2019 BMW F21 repair manual
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2012-2019 BMW F21 wiring diagrams
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The third generation BMW 1 Series was introduced in 2020. Technical specs: Class: subcompact executive car; Platform: BMW UKL2 platform; Layout: front-engine, front-wheel drive or all-wheel drive; Body style: 5-door hatchback (F40); Wheelbase: 105.1 in (2,670 mm); Length: 170.0 in (4,319 mm); Width: 70.8 in (1,799 mm); Height: 56.5 in (1,434 mm); Engines: 1.5L B38A15 I3 turbo produced 138 hp (103 kW) at 4,600-6,500 rpm and 162 lb·ft (220 N·m) at 1,480-4,200 rpm; 2.0L B48A20 I4 turbo produced 261 hp (195 kW) at 4,750-6,500 rpm and 295 lb·ft (400 N·m) at 1,750-4,500 rpm; 1.5L B37C15U0 I3 turbo produced 114 hp (85 kW) at 4,000 rpm and 199 lb·ft (270 N·m) at 1,750-2,250 rpm; 2.0L B47D20 I4 turbo produced 188 hp (140 kW) at 4,000 rpm and 295 lb·ft (400 N·m) at 1,750-2,500 rpm; Transmissions: 8-speed Aisin AWF8F35 automatic; 7-speed Getrag / Magna 7DCT300 M-DCT dual-clutch; 6-speed Getrag manual.
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2020-present BMW F40 repair manual
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2020-present BMW F40 wiring diagrams
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