BMW 1 Series (E87)

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BMW 1 Series
(E81/E82/E87/E88)
BMW E87 front 20080719.jpg
Overview
ManufacturerBMW
Production2004 – 2013
AssemblyGermany: Leipzig
Germany: Regensburg
DesignerChristopher Chapman[1]
Body and chassis
Classcompact (C)
Body style2-door coupe (E82)
2-door convertible (E88)
3-door hatchback (E81)
5-door hatchback (E87)
LayoutFR layout
Powertrain
EnginePetrol:
1.6-2.0 L N43/N45/N46 I4
3.0 L N52 I6
3.0 L N54/N55 turbo I6
Diesel:
2.0 L M47/N47 turbo I4
Dimensions
Wheelbase2,660 mm (104.7 in)
Length4,227–4,380 mm (166.4–172.4 in)
Width1,748–1,803 mm (68.8–71.0 in)
Height1,420–1,430 mm (55.9–56.3 in)
Chronology
PredecessorBMW 3 Series Compact
SuccessorE81/E87: 1 Series (F20/F21)
E82/E88: 2 Series (F22/F23)
Interior

The BMW E81/E82/E87/E88 is the first generation of the BMW 1 Series range of small hatchback, coupe and convertible cars, which were produced from 2004 to 2013. It replaced the 3 Series Compact as the smallest and least expensive vehicle in the BMW range. The body styles of the range are:

  • 3-door hatchback (E81 model code)
  • 5-door hatchback (E87 model code)
  • 2-door coupe (E82 model code)
  • 2-door convertible (E88 model code)

The 3-door and 5-door hatchbacks were replaced by the F20 and F21 models in 2011, while the E82 coupé and E88 convertible variants were replaced by the 2 Series F22 and F23 in 2013.

The engines available were four-cylinder diesel and four- and six-cylinder petrol, in both naturally aspirated and turbocharged forms. Unlike most hatchback competitors, the E81/E82/E87/E88 uses rear-wheel drive (instead of front-wheel drive).

The 1 Series accounted for nearly one-fifth of the total BMW sales in 2008.[2]

Development and launch[edit]

Initially, BMW considered adopting the Rover R30 design program into the upcoming 1 Series, however it was eventually decided to develop the 1 Series alongside the E90 3 Series.[3] The E81/E82/E87/E88 shares approximately 60% of components with the E90,[4] including front and rear suspension, structure, chassis, powertrain, hardware and electronic elements.

Design work was done by Christopher Chapman in 2001 under design director Chris Bangle.[5] In 2002, the CS1 Concept previewed the 1 Series design at the Geneva Motor Show.[6][7][8]

The first 1 Series production models - in the E87 five-door hatchback body style - were launched at the Paris Motor Show in September 2004.[9]

Chassis and suspension[edit]

The chassis has a rear-wheel drive layout with a 50:50 weight balance, a longitudinally-mounted engine and aluminium multi-link suspension.[10]

Body styles[edit]

5-door hatchback (E87)[edit]

E87 120i, Australia

The 1 Series was launched globally in September 2004 as the E87 five-door hatchback.

The E87 was produced from 2004 until 2011,[11] with the model range consisting of the 116i, 116d, 118i, 118d, 120i, 120d, 123d and 130i. Kerb Weight: 1340 kg.[12][13]

3-door hatchback (E81)[edit]

E81 3-door hatch, Europe

The E81 three-door hatchback models were produced from July 2007 until 2012.

As per the five-door body style, the model range consisted of the 116i, 116d, 118i, 118d, 120i, 120d, 123d and 130i.[14] The overall length is the same as the five-door models, and the kerb weight is 10 kg (22 lb) lighter.[15][16]

2-door coupe (E82)[edit]

E82 123d, Europe

The 1 Series Coupé (E82) was unveiled in 2007 at the Frankfurt Motor Show[17][18] and went on sale on 24 November 2007.

The model range consisted of the 118d, 118i, 120i, 120d, 123d, 125i, 128i, 135i and the 1 Series M Coupé.[19] In North America, the E82 went on sale in October 2007 with the 128i and the 135i models.[20] The E82 was produced until August 2013.

2-door convertible (E88)[edit]

E88 120i convertible, Australia

The E88 convertible models were produced from 2007 until June 2013. The model range consisted of the 118d, 118i, 120i, 120d, 123d, 125i, 128i and 135i.[21]

The E88 uses a fabric roof (unlike the E93 3 Series convertible, which uses a folding metal roof).

Transmissions[edit]

In early 2006, the 5-speed manual transmission was phased out in favour of the 6-speed gearbox.

The automatic transmission option was a 6-speed ZF 6HP transmission for the 135i and 6l45 GM 6L50 transmission for the 128i. For the 135i (2011 and up) model, a 7-speed dual-clutch transmission ("DCT") was also available.[22]

Models[edit]

The factory specifications[23][24][25][26][27][28][29] are as follows:

Petrol[edit]

Model Year Engine Power Torque Accel.[30] Top speed
116i 2004–2007 N45B16
I4
85 kW (114 bhp) 150 N⋅m (111 lb⋅ft) 10.8s[31] 200 km/h (124 mph)
2007-2009 N43B16
I4
90 kW (121 bhp) 160 N⋅m (118 lb⋅ft) 10.2s[32] 204 km/h (127 mph)
118i 2005–2007 N46B20
I4
95 kW (127 bhp) 180 N⋅m (133 lb⋅ft) 9.4s[31] 208 km/h (129 mph)
2007–2009 N43B20
I4
105 kW (141 bhp) 190 N⋅m (140 lb⋅ft) 8.8s[33] 210 km/h (130 mph)
2009-2011 N43B20
I4
90 kW (121 bhp) 185 N⋅m (136 lb⋅ft) 8.8s[34] 204 km/h (127 mph)
120i 2004–2007 N46B20
I4
110 kW (148 bhp) 200 N⋅m (148 lb⋅ft) 8.7s[31] 217 km/h (135 mph)
2007–2011 N43B20
I4
125 kW (168 bhp) 210 N⋅m (155 lb⋅ft) 7.8s[32] 224 km/h (139 mph)
125i 2007–2010 N52B30
I6
160 kW (215 bhp) 270 N⋅m (199 lb⋅ft) 6.4s[35] 245 km/h (152 mph)
 128i* 2008–2011 N52B30
I6
170 kW (228 bhp) 271 N⋅m (200 lb⋅ft) 6.4s[36] 209 km/h (130 mph)
130i 2005–2009 N52B30
I6
195 kW (261 bhp) 315 N⋅m (232 lb⋅ft) 6.1s[31] 250 km/h (155 mph)
2009–2012 190 kW (255 bhp) 310 N⋅m (229 lb⋅ft) 6.1s[34]
135i 2007–2010 N54B30
I6 turbo
225 kW (302 bhp) 400 N⋅m (295 lb⋅ft) 5.3s[35]
2010–2013 N55B30M0
I6 turbo
5.3s[37]
 135is* 2013 N55B30M0
I6 turbo
240 kW (322 bhp) 430 N⋅m (317 lb⋅ft) 5.2s[38]
1M
Coupe
2011–2012 N54B30TO
I6 turbo
250 kW (335 bhp) 450 N⋅m (332 lb⋅ft) 4.9s[39]

* Only sold in Canada and the United States.

BMW 135i (with "BMW Performance" options)

In most countries, the 135i is the top model of the coupe and convertible range (excluding the limited production 1M Coupe).[40] From 2007 to 2010, the 135i was powered by the N54 twin-turbo 3.0 litre engine with a 6-speed manual or a 6-speed automatic transmission.[41][36] From 2010, the 135i engine was upgraded to the N55 single-turbo 3.0 litre engine with a 6-speed manual or a 7-speed dual-clutch transmission.[42][43] The differential fitted to the 135i uses double-helical ball bearings, which operate at a lower temperature and reach operating temperature quicker, due to a reduction of fluid required in the differential.[44] The 135i brakes are 6-piston front calipers and 2-piston rear calipers, with disk sizes of 338 mm and 324 mm respectively.[45]

The 135is coupe and convertible model was sold from 2013 in the United States and Canada (in other markets, the next generation F20 1 Series had replaced the E82/E88 by this stage). It is powered by an upgraded version of the N55 engine which produces 322 bhp (240 kW) and 317 lb⋅ft (430 N⋅m).[46] Other upgrades include sports suspension, an M Sport body kit, and 18-inch wheels.[47][48] Transmission options were - as per the 135i - a 6-speed manual or a 7-speed dual-clutch transmission.

The 130i is the top model of the E81/E87 hatchback range and was released in September 2004.[49] It is powered by the N52 3.0 litre naturally aspirated engine[50][51] and transmission choices were a 6-speed manual or a 6-speed automatic.[52][53]

Diesel[edit]

Model Year Engine Power Torque Accel.[30] Top speed
116d 2009–2011 N47D20
I4 turbo
85 kW (114 bhp) 260 N⋅m (192 lb⋅ft) 10.3s[34] 200 km/h (124 mph)
118d 2004–2007 M47TU2D20
I4 turbo
90 kW (121 bhp) 280 N⋅m (207 lb⋅ft) 10.0s[31] 201 km/h (125 mph)
2007–2013 N47D20
I4 turbo
105 kW (141 bhp) 300 N⋅m (221 lb⋅ft) 9.0s[32] 210 km/h (130 mph)
120d 2004–2007 M47TU2D20
I4 turbo
121.5 kW (163 bhp) 340 N⋅m (251 lb⋅ft) 7.9s[31] 220 km/h (137 mph)
2007–2013 N47D20
I4 turbo
130 kW (174 bhp) 350 N⋅m (258 lb⋅ft) 7.6s[32] 228 km/h (142 mph)
123d 2007–2013 N47D20
I4 turbo
150 kW (201 bhp) 400 N⋅m (295 lb⋅ft) 7.0s[32] 238 km/h (148 mph)

1 Series M Coupé[edit]

1M Coupe- front (France)
1M Coupe- rear (Germany)

The BMW 1 Series M Coupe ("1M Coupe") is a high-performance version of the BMW 1 Series Coupe, developed by BMW's motorsport branch BMW M. While BMW naming convention would have called the car the "M1", the name "BMW 1 Series M" was used instead, to avoid confusion with the original BMW M1.

At the 2007 Tokyo Auto Show, BMW unveiled the "BMW 1 Series tii Concept", which was thought to be a preview of the M version of the 1 Series.[54][55] However, the eventual M model appeared four years later and with significant differences, such as a six-cylinders instead of four.[56] BMW officially announced the making of the M variant of the BMW 1-Series Coupé in December 2010.[57]

The 1M coupe was BMW M's second turbocharged engine (after the S63 V8 which debuted in the X6M). Since the 1M Coupe's N54 engine was also used in the E89 BMW Z4 sDrive35is, the 1M Coupe is only the second M model, after the Z8 and E39 M5's shared S62, to use an engine shared with non-M models. The outputs for this engine are 250 kW (335 bhp) at 5900 rpm and 450 N⋅m (332 lb⋅ft) from 1,500 to 4,500 rpm. An additional 50 N⋅m (37 lb⋅ft) is produced during overboost taking overall peak torque to 500 N⋅m (369 lb⋅ft).[58] The only available drivetrain is a six-speed manual gearbox with an M limited slip differential.

The front and rear track widths were widened by 7 cm (2.9 in) and 5 cm (1.8 in) respectively.[59] As a result, the overall width is 1,803 mm (71 in).[58] The curb weight is 3,296 lb (1,495 kg).[60]

Initial plans were to limit production of the 1M Coupe to 2700 units, however the final production total was 6309.[61][62]

The 1M Coupe placed third in Evo Magazine's 2011 Car of the Year (eCOTY) awards.[63] It also featured on Top Gear on 26 June 2011 and recorded a time of 1:25.0 around the Top Gear test track under damp conditions.[64][65] and received "Richard Hammond's Car of the Year 2011" award in the Top Gear magazine.[66]

OBD thefts[edit]

In 2012, 1 Series vehicles were stolen by programming a blank key fob to start the car through the on-board diagnostics (OBD) connection.[67][68][69] The primary causes of this vulnerability lie in the lack of appropriate authentication and authorization in the OBD specifications, which rely largely on security through obscurity. BMW offered all owners a free fix through a software update, and all newer vehicles have upgraded software that fixed this vulnerability.[70]

ActiveE electric car trial[edit]

The BMW ActiveE is a demonstration electric car based on the E82 coupe. It is the second vehicle after the Mini E to be developed under BMW Group's Project i. The electric drive system is the latest addition to BMW's EfficientDynamics program.[71] The US Environmental Protection Agency official range is 151 kilometres (94 mi), with an energy consumption of 33 kW·h/100 miles, and the agency rated the ActiveE's combined fuel economy at 2.3L/100 km (102 miles per gallon gasoline equivalent).[72]

Deliveries of the ActiveE for field testing in the U.S. began in January 2012, after the Mini E trial ended.[73] A total of 1,100 vehicles were produced participate in the program worldwide, with 700 allocated for the U.S. trial[74] and 35 for a trial in China.[75]

Model year changes[edit]

Pre-facelift E88 120i (Australia)

2007[edit]

In March 2007, the E87 five-door hatchback received a facelift (also called LCI).[76] Changes included the N43 four-cylinder engine replacing the N45 and N46 engines, various changes to improve fuel economy (marketed as EfficientDynamics), electric power steering replacing the traditional hydraulic power steering, revised bumpers and interior changes.[77][78]

In May 2007, the E81 three-door hatchback models were released.

In November 2007, the E82 coupe models were released, followed by the E88 convertible models soon after.[79][80]

2011[edit]

In 2011, the E82 coupé and E88 convertible models received a facelift. Changes included headlights and taillight revisions, new front/rear bumpers and minor revisions to the interior.[81][82] For the 135i model, the N55 engine replaced the N54. Even though many engines are same, the facelifted 1 Series fuel consumption is slightly higher in some models such as the 123d, and slightly lower in some models such as the 120i.[83]

Marketing[edit]

In May 2005, in a commercial for the 1 Series Hatchback, Kermit the Frog was shown driving a BMW 1 Series around in a desert making figure eights, showcasing the car's agility.[84] In the United States, the 1 Series Coupé was marketed as a successor to the BMW 2002.[85][86]

Critical reception[edit]

Reviews of the 1 Series' exterior styling were mixed, with the unusual proportions of the hatchback model often receiving criticism.[50][51][87][88][89][90][91]

The BMW 118d won the 'World Green Car Award' in 2008 as a performance-oriented car with CO2 emissions and fuel consumption comparable to Toyota Prius.[92]

Motorsports[edit]

In 2006, a BMW 120d modified with a BMW customer racing kit[93] entered by "Schubert Motors" placed 5th at the Nurburgring 24 Hours in a field of 220 cars.

Problems[edit]

Ignition coil and fuel injector problems have been reported on models using the N43 engine.[94] Timing chain failures have been reported on models using the N47 engines.[95]

Production and sales[edit]

The 1 Series is built in Regensburg and Leipzig, Germany.

Sales statistics according to BMW's annual reports:[citation needed]

Year Total 5-door 3-door Coupé Cabriolet Note
2004 39,247 39,247 - - - Launched in September.
2005 149,493 149,493 - - -
2006 151,918 151,918 - - -
2007 165,803 133,525 30,984 1,287 7 Facelift in March. 3-door version launched in May.
2008 225,095 122,666 49,559 26,304 26,566
2009 216,944 120,323 44,043 24,081 28,506
2010 196,004 113,030 31,980 26,191 24,803
2011 176,418
2012 226,829

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