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The BMW E46 is the fourth generation of the BMW 3 Series, which was produced from 1997 to 2006. The body styles of the range are: All-wheel drive, last available in the E30 3 Series, was reintroduced for the E46 on the 325xi, 330xi and 330xd models. The E46 was the first 3 Series to be available with an engine using Valvetronic (variable valve lift). Various electronic features were also introduced to the 3 Series in the E46 generation, including satellite navigation, electronic brake-force distribution, rain-sensing wipers and LED tail-lights. Following the introduction of the E90 3 Series sedans in late 2004, the E46 began to be phased out. However the E46 coupé and convertible body styles remained in production until 2006. The E46 M3 is powered by the S54 straight-six engine with either a 6-speed manual or a 6-speed SMG-II transmission. The M3 was introduced in late 2000 and was produced in coupé and convertible body styles only.
In 1993, the development programme for the E46 began under chief engineer Wolfgang Ziebart and head of R&D Wolfgang Reitzle. In late 1993, design work began under chief designer Chris Bangle and continued into 1995.[1] In May 1995, the general exterior design of the E46 by Erik Goplen of DesignworksUSA was approved and as a result DesignworksUSA was contracted by BMW to work alongside BMW Group's in-house design team to create the exterior body work for the 3 Series range in February 1996.[2][3][4] The design team put an emphasis on improving aerodynamics and increasing the car's aggressive stance.[3] Design patents were filed in Germany on 16 July 1997[5] and in the US on 16 January 1998.[6]
Chris Bangle and Dr. Wolfgang Reitzle (BMW Head of R&D)[7] were responsible through 1995 for the production sedan's exterior,[8][9] as evident in the 1997 design patent. Production development of the sedan took 24 months following design freeze and was 31 months from executive board styling approval in 1995 to its start of series production in December 1997.[10] Erik Goplen designed the production coupé, convertible and station wagon during 1996–1997. The E46 sedan was unveiled via press release on 11 November 1997 and was launched on the market at the end of April 1998 with customer deliveries.[11]
sedan/saloon
coupé
convertible
wagon/estate
Model[12] | Years | Engine | Power | Torque |
---|---|---|---|---|
316i / | 1999–2001 | M43B19 inline-4 |
77 kW (103 hp) | 165 N⋅m (122 lb⋅ft) |
2001 - 2004 | N40B16 inline-4 |
85 kW (114 hp) | 150 N⋅m (111 lb⋅ft) | |
2001–2004 | N42B18 inline-4 |
85 kW (114 hp) | 175 N⋅m (129 lb⋅ft) | |
2004–2005 | N46B18 inline-4 |
85 kW (114 hp) | 175 N⋅m (129 lb⋅ft) | |
318i / 318ci[15] | 1998–2001 | M43B19 inline-4 |
87 kW (117 hp) | 180 N⋅m (133 lb⋅ft) |
2001–2005 | N42B20 inline-4 |
107 kW (143 hp) | 200 N⋅m (148 lb⋅ft) | |
2003–2006 | N46B20 inline-4 |
112 kW (150 hp) | 200 N⋅m (148 lb⋅ft) | |
320i / 320ci[16] | 1998–2000 | M52TUB20 inline-6 |
110 kW (148 hp) | 190 N⋅m (140 lb⋅ft) |
2000–2006 | M54B22 inline-6 |
125 kW (168 hp) | 210 N⋅m (155 lb⋅ft) | |
323i / 323ci[17] | 1998–2000 | M52TUB25 inline-6 |
126 kW (169 hp) | 245 N⋅m (181 lb⋅ft) |
325i (EU) / 325ci (EU)[18][19] | 2001–2006 | M54B25 inline-6 |
141 kW (189 hp) | 245 N⋅m (181 lb⋅ft) |
325i (US) / 325ci (US)[20][21] | 137 kW (184 hp) | 237 N⋅m (175 lb⋅ft) | ||
328i / 328ci[22] | 1998–2000 | M52TUB28 inline-6 |
142 kW (190 hp) | 280 N⋅m (207 lb⋅ft) |
330i (EU) / 330ci (EU)[23][24][25] | 2000–2006 | M54B30 inline-6 |
170 kW (228 hp) | 300 N⋅m (221 lb⋅ft) |
330i (US) / 330ci (US)[26][27] | 168 kW (225 hp) | 290 N⋅m (214 lb⋅ft) | ||
330i ZHP / 330ci ZHP[28][29] | 2003–2006 | 175 kW (235 hp) | 301 N⋅m (222 lb⋅ft) | |
M3 (EU)[30] | 2000–2006 | S54B32 inline-6 |
252 kW (338 hp) | 365 N⋅m (269 lb⋅ft) |
M3 (US)[31] | 248 kW (333 hp) | 355 N⋅m (262 lb⋅ft) | ||
M3 CSL[32] | 2003–2004 | 265 kW (355 hp) | 370 N⋅m (273 lb⋅ft) |
Model[12] | Years | Engine | Power | Torque |
---|---|---|---|---|
318d[33] | 2001–2003 | M47D20 inline-4 |
85 kW (114 hp) | 265 N⋅m (195 lb⋅ft) |
2003–2005 | M47TUD20 inline-4 |
85 kW (114 hp) | 280 N⋅m (207 ft⋅lbf) | |
320d / 320Cd[34] | 1998–2001 | M47D20 inline-4 |
100 kW (134 hp) | 280 N⋅m (207 lb⋅ft) |
2001–2006 | M47TUD20 inline-4 |
110 kW (148 hp) | 330 N⋅m (243 lb⋅ft) | |
330d / 330Cd[35][36] | 1999–2002 | M57D30 inline-6 |
135 kW (181 hp) | 390 N⋅m (288 lb⋅ft) |
2003–2005 | M57TUD30 inline-6 |
150 kW (201 hp) | 410 N⋅m (302 lb⋅ft) |
The body shell of the E46 was claimed by BMW to be 70% more rigid than its E36 predecessor.[45] Aluminium was used for an increased quantity of suspension components, in order to decrease unsprung mass.[45] However, with a curb weight of 1,450 kg (3,197 lb),[46][47] the E46 328ci is 55 kg (121 lb) heavier than the E36 equivalent.[48][49]
In tune with BMW's core values regarding handling dynamics,[50] the E46 was initially available with a rear-wheel drive layout and a 50/50 weight distribution.[45][51]
The electronic components in the E46 are more integrated than previous generations of 3 Series, including the use of a CAN bus system.[52] Drivetrain information (such as engine, transmission and stability control) is communicated using the CAN bus.[53][54] Vehicle electronics (such as the radio, navigation, television and telecommunications) can communicate to each other via the K-bus.[55]
The E46 M3, first introduced in October 2000, was available with the 3.2-litre S54 M-tuned engine. It was available in coupé and convertible body styles.
The M3's S54 engine has a redline of 8,000 rpm. As with most M engines, the S54 has 6 individual throttle bodies, in this case electronically operated (drive-by-wire throttle). The transmission options for the M3 were a 6-speed manual or the 6-speed "SMG-II" automated manual transmission.
The Alpina "B3 3.3" and "B3 S" were based on the E46 and were powered by straight-six petrol engines.
The hatchback version was marketed as the BMW 3 Series Compact.
The Performance Package was an option sold in North America, which is commonly referred to by its order code in the United States, ZHP (the order code in Canada was ZAM).[56] It was available for 330i sedans from model years 2003 to 2005, and available for 330ci coupés and convertibles from 2004 to 2006.[57] It included various aesthetic changes over the regular 3 series, as well as functional and mechanical enhancements.
The ZHP was equipped with sportier camshafts and revised engine tuning to increase power output from 168–175 kW (225–235 hp) to as well as a shorter final drive gear ratio, and a corresponding increase in redline from 6,500 rpm to 6,800 rpm.[57] Suspension was modified over the standard suspension with firmer springs and dampers, larger anti-roll bars, stronger front control arm ball joints, a lower ride height, heavy duty steering rack, and slightly more negative camber.[58] Car and Driver magazine track-tested the car, which recorded a 0–60 mph (97 km/h) acceleration time of 5.6 seconds and a 1/4 mile time of 14.3 seconds.[58]
BMW introduced a super ultra low emission vehicle (SULEV) into the selected regions of the United States to meet stricter emission standards. California, New York, and Massachusetts received the SULEV E46's in 2003, and Vermont in 2004.[59] They utilised a variant of the M54 engine named the BMW M56.[59] The M56 meets SULEV standards, as well as partial zero emission vehicle (PZEV) and zero evaporative emissions requirements.[59] The M56 is claimed to have identical power output as its M54 counterpart.[59]
Information sticker on the SULEV radiator
Engine bay of a 2004 325i SULEV
In order for the M3 GTR race car to compete in the American Le Mans Series, BMW produced 10 examples of the "M3 GTR Straßen Version" (street version) in 2001.[60] As per the race M3 GTR, the roadgoing Version was powered by the BMW P60B40 4.0 L V8 engine which was slightly detuned and generated a maximum power output of 283 kW (380 hp) at 7,000 rpm.[61][62] Power was delivered to the rear wheels via a race type 6-speed dual clutch sequential transmission with M locking differential. The engine featured dry sump lubrication as its racing counterpart and bigger radiators.
The stiffer chassis and suspension system were a carryover from the race version. The car was lowered further than a standard M3 and featured additional strut braces between the firewall and strut towers as well as between the right shock towers. The redesigned front and rear fascias and the rear wing optimised aerodynamics.
The roof, the hood, the rear wing and front and rear fascias were made from carbon-fibre in order to reduce weight. Notable changes made to the interior included leather Recaro bucket seats, removal of rear seats and special M3 GTR sill plates.[63]
In September 2001, the facelift (LCI) versions of the sedan and Touring were released for the 2002 model year.
pre-facelift sedan
pre-facelift sedan
facelift sedan
facelift sedan
In March 2003, the facelift (LCI) versions of the coupe and convertible models (except M3) were released for the 2004 model year.
facelift coupe (front)
facelift coupe (rear)
pre-facelift coupe (front)
pre-facelift coupe (rear)
Production dates for each body style are as follows:
The E46 was produced in Germany (Leipzig, Munich and Regensburg) and in South Africa (Rosslyn).[68] Local assembly of complete knock-down (CKD) kits was used for cars sold in China, Egypt,[69] Indonesia, Malaysia,[70] Mexico[71] and Russia.[72]
The highest selling year for the E46 chassis was 2002, when 561,249 vehicles were sold worldwide.[73]
Andy Priaulx won the 2004 European Touring Car Championship season and 2005 World Touring Car Championship season championships driving a 320i.[74] Franz Engstler won the 2006 Asian Touring Car Championship season in a 320i.[75]
The E46 has also competed in the British, European and Russian touring car championships.
Year | Championship | Result |
---|---|---|
2003 | European Touring Car Championship | 3 |
2004 | Danish Touringcar Championship | 1 |
2004 | European Touring Car Championship | 1 |
2005 | Danish Touringcar Championship | 1 |
2005 | Italian Superturismo Championship | 1 |
2005 | World Touring Car Championship | 1 |
2006 | Asian Touring Car Championship | 1 |
2006 | British Touring Car Championship | 11 |
2008 | European Touring Car Cup | 1 |
In the United States, the National Auto Sport Association organises a "Spec E46" amateur racing series. The Spec E46 cars are built to a standard with minimal modifications, to create increased competition between drivers.