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BMW M Coupé and Roadster

From Wikipedia, the free encyclopedia

2006-2008 Z4 M Roadster
1998-2002 Z3 M Roadster

The BMW M Coupé and BMW M Roadster are high performance models of the BMW Z3 and Z4 coupés/roadsters produced by BMW M. The first generation was based on the Z3 and was produced between 1998 and 2002. The second generation was based on the Z4 and was produced between 2006 and 2008.

All models were produced in the BMW Spartanburg plant in the United States. Some major components— such as the engine and transmission— were imported from Germany.

First generation (1997–2002)

BMW Z3 M Coupé (E36/8)
BMW Z3 M Roadster (E36/7)
BMW Z3 M Coupé (3544451912) (cropped).jpg
Overview
Production1997–2002
Body and chassis
ClassSports car (S)
Body style
LayoutRear-wheel drive
RelatedBMW Z3
Powertrain
Engine3.2 L S50/S52/S54 I6
Transmission5-speed manual
Dimensions
Wheelbase2,459 mm (96.8 in)
Length4,025 mm (158.5 in)
Width1,740 mm (68.5 in)
Height1,306 mm (51.4 in)

Z3 M Roadster

Z3 M Roadster
Z3 M Roadster

The Z3 M Roadster was introduced in 1997 as the high performance version of the BMW Z3. Cosmetic differences between the Z3 M and the standard Z3 models included front and rear bumpers, gills, boot (trunk) and mirrors.

The standard Z3 models received a facelift in 1999. The appearance of the Z3 M was not changed.

In the 6 years from 1997 to 2002, 15,322 M Roadsters were produced.[1]

The M roadster is electronically limited to a top speed of 250 km/h (155 mph). The kerb weight is 1,420 kg (3,130.6 lb).[clarification needed]

Z3 M Coupé

The M Coupé, manufactured from 1998 until 2002, was developed under the leadership of engineer Burkhard Göschel with the intention of adding increased torsional and structural rigidity to the Z3 roadster's chassis. The development team had a hard time convincing the Board of Directors to approve the model for production, but it was eventually given the green light as long as it remained cost-effective to produce. To achieve this goal, majority of the body panels had to be shared with the M roadster, thus the doors and everything from the A-pillar forward are interchangeable between the coupé and roadster, as are most interior parts. The Z3 coupé, which combines the M coupe's body with the standard Z3 drivetrain, chassis and cosmetics was approved for production at the same time.[2][3]

Sales were slow as it didn't generate much interest between the enthusiasts. As a result of their relative rarity, M Coupes (especially S54 powered models) retain much of their value. The M Coupe powered by the S54 engine is one of the lowest production BMWs with only 1,112 built.[4] It was given nicknames like "hearse" and "clown shoe" because of its distinctive styling.[5]

Engines

The Z3M Coupe and Roadster were initially powered by the engines from the E36 M3. This means that most countries initially used the 3.2 L version of the BMW S50 engine, while North American models initially used the less powerful BMW S52 engine. The S50 is rated at 236 kW (316 hp) at 7,400 rpm and 350 N⋅m (260 lb⋅ft) at 3,250rpm, while the S52 engine is rated at 179 kW (240 hp) at 6,000rpm and 320 N⋅m (240 lb⋅ft) at 3,800rpm.[6][7] A total of 2,999 cars were built with the S50 engine and 2,180 cars were built with the S52 engine.[8]

Starting in September 2001, the engines were upgraded to the BMW S54 engine from the E46 M3. In most countries, it is rated at 239 kW (321 hp) at 7,400 rpm and 354 N⋅m (261 lb⋅ft) at 4,900 rpm, while North American models have 235 kW (315 bhp) at 7,400 rpm and 341 N⋅m (252 lb⋅ft) at 4,900 rpm. The difference in peak power and torque is due to the catalytic converters being located closer to the engine on the North American spec cars, which allows the catalysts to heat up faster and reduce cold start emissions. A total of 1,112 cars were built with the S54 engine.[8]

Color Options

The Z3M Coupe had the following OEM color options: Alpine White III, Imola Red II, Dakar Yellow II, Evergreen, Laguna Seca Blue, Cosmos Black, Black Sapphire Metallic, Arctic Silver Metallic, Titanium Silver Metallic, Estoril Blue Metallic, Boston Green Metallic, Oxford Green II Metallic, Steel Grey Metallic, Phoenix Yellow Metallic.

Transmission

The gearbox is a ZF Type C 5-speed manual. The final drive is either 3.23:1 (S52) or 3.15:1 (S50 and S54). A limited slip differential with a maximum locking of 25 percent is standard.

Chassis

Like all Z3 models, the M Coupe and Roadster's suspension is made up of MacPherson struts in the front and semi-trailing arms in the rear. Compared to the six-cylinder Z3 roadster, however, the M roadster included modifications such as wider front and rear tracks (by 0.4 in (10.2 mm)), reduced ride height (by 1.1 in (27.9 mm)), modified front suspension geometry, firmer springs and shocks, thicker anti-roll bars, stronger semi-trailing arms and a reinforced subframe.

When the M roadster switched to the S54 engine (2/01 production), the chassis was upgraded to the stiffer springs and shocks developed for the M Coupé.

Brakes

The brakes from the E36 M3 were used: four-wheel vented discs measuring 12.4 in (315.0 mm) on the front and 12.3 in (312.4 mm) on the rear. In most countries, the front discs were a two-piece "floating rotor" design.

Unlike the US market where the two-piece floating rotor brakes were not available, the Canadian market cars were equipped with the floating discs.

Wheels and tyres

Front tyres were 225/45ZR17 and rear tyres were 245/40ZR17. The wheel sizes were 7.5x17-inch at the front and 9x17-inch at the rear. Early M coupes (S50 and S52 engines) had a silverly chromeline finish, whereas the later models (S54 engine) had a darker Chrome Shadow finish.

Second generation (2006–2008)

BMW Z4 M Coupé (E86)
BMW Z4 M Roadster (E85)
Milestoned's photostream - 015 - BMW Z4 M.jpg
Overview
Production2006–2008
Body and chassis
ClassSports car (S)
Body style
LayoutRear-wheel drive
RelatedBMW Z4 (E85)
Powertrain
Engine3.2 L S54 I6
Transmission6-speed manual
Dimensions
Wheelbase2,495 mm (98.2 in)
Length4,090 mm (161.0 in)
Width1,780 mm (70.1 in)
Height1,285 mm (50.6 in)

Z4 M Coupé

The coupé model was introduced to the public first in concept form at the 2005 Frankfurt Motor Show and then in production form at the 2006 Geneva International Motor Show[9] with production starting shortly after.

The Z4 M Coupé has a fastback coupé design, resulting in a different body shape to its Z3 M Coupe predecessor. The roof added an additional weight of 5 kg (11 lb) as compared to the roadster.[citation needed]

The official 0–97 km/h (60 mph) acceleration time is 5 seconds and the top speed is electronically limited to 249 km/h (155 mph). The Z4 M Coupé set a laptime at the Nürburgring Nordschleife of 8 minutes and 15 seconds.[10]

Z4 M Roadster

Z4 M Roadster
Z4 M Roadster

The roadster model was launched in late 2006.

Weighing 1,450 kg (3,197 lb),[citation needed] the M Roadster has a 0-97 km/h (60 mph) time of 4.7 seconds and a top speed electronically limited to 250 km/h (155 mph). Unlike the Z3 M Roadster, the external dimensions of the Z4 M Roadster are the same as the standard Z4.

Engine

The M Coupe and M Roadster are powered by the BMW S54 straight-six engine from the E46 M3. The engine has fly-by-wire throttle and double VANOS (variable valve timing).[11] In most countries, the engine is rated at 252 kW (338 hp) at 7,900 rpm and 365 N⋅m (269 lb⋅ft) at 4,900 rpm- the same outputs as in the M3. The engine has a redline of 8,000 rpm. Cars sold in North America produce 250 kW (330 bhp) at 7,900 rpm and 355 N⋅m (262 lb⋅ft) of torque at 4,900 rpm.[12][13]

Drivetrain

The engine was mated to a new 6-speed "Type H" ZF manual transmission since the M3's original 6-speed transmission did not fit the Z4's chassis.

The Z4 uses the same limited slip differential as the E46 M3.

Chassis

The suspension system consisted of a strut design at the front and a multi-link design at the rear. The springs have higher spring rates and the dampers have a more aggressive setting as compared to the Z4 M roadster. The car achieved a lateral acceleration of 0.89g on the skid pad.[12]

The Z4 M uses hydraulic power steering, unlike the electric power steering used by the rest of the Z4 range and has thick rimmed steering wheel.[12] Other changes include a wider front track, revised front suspension and steering geometry.[13]

Many components were shared with the E46 M3, including the rear subframe, front suspension control arms and the Continental ContiSport Contact tyres.

Brakes

The braking system shares many parts in common with the E46 M3. The brake calipers are from the M3 Competition model and the brake discs (consisting of aluminum hubs, stainless steel pins, cross drilled iron floating rotors) are from the E46 M3 CSL.

Production

Production began on 4 April 2006 and ended in 2008 when the E85/E86 Z4 was replaced by the E89 Z4. A total of 4,275 M Coupes were produced, and 5,070 M Roadsters.[14] This included 1,815 M Coupes for North America and 3,042 M Roadsters for North America.[15]

Awards

  • Automobile Magazine "Design of the Year" 1999.[16]
  • The M Coupe/M Roadster made Car and Driver magazine's "Ten Best" list for 1999.[17]
  • European Car Magazine Grand Prix winner in 1999.
  • The Top Gear (TV Show) "Best Driver's Car of the Year" 2000.[18]
  • The BMW M Coupe was chosen as one of "Hammond's Icons" by Top Gear in 2011.[19]
  • Jalopnik's included the M Coupe in their "Best 10 Cars of the Decade" feature.[20]
  • Top Gear (Magazine) featured the M Coupe as one of "the 149 Coolest Cars Ever" in a supplement included with the October 2015 issue (#274).
  • Autoblog included the M Coupe in their "Greatest BMWs of the last 100 years" feature.[21]
  • The New York Daily News featured the M Coupe in their "Best Bimmers: our 10 favorite BMW models of the last 100 years" article.[22]
  • Top Gear (Website) included the BMW M Coupe in their "Some of the Greatest BMWs ever built" article, showcasing 25 cars, in celebration of BMW's centenary.[23]
  • The M Coupé appeared on the list of Autoevolution's "Ten of the Most Outstanding BMW M Cars of All Time".[24]
  • Mike Spinelli, founder of Jalopnik and host of AFTER/DRIVE, selected the BMW M Coupé on /Drive's "What's The Best BMW Of All Time?" feature.[25]
  • Road & Track included the M Coupé as 1 of just 13 BMWs in their "Best BMWs in History" feature for the company's 100 year anniversary.[26]
  • Maxim ranked the M Coupé in their feature of the "10 Most Killer Rides of the '90s".[27]
  • Donut Media featured the M Coupé as #11 in their "14 Best Cars BMW Ever Made" video. [28]
  • CarWOW's "Top 10 best BMW M cars. EVER!" placed the M Coupé at #6 on their list. [29]

References

  1. ^ "BMW M roadster (E36 / 7)". bmw-grouparchiv.de. Retrieved 15 March 2020.
  2. ^ "Catching Up With: Burkhard Goeschel". www.automobilemag.com. Retrieved 6 June 2020.
  3. ^ Lieberman, Jonny. "The Jalopnik Fantasy Garage: First-Generation BMW M Coupe". Jalopnik. Retrieved 6 June 2020.
  4. ^ "BMW M Registry - FAQ E36/8 M coupe". bmwmregistry.com. Retrieved 18 April 2019.
  5. ^ Fraser, Brett (23 March 2017). "BMW M Coupe (1998-2002) - review, specs and buying guide". EVO magazine. Retrieved 10 December 2018.
  6. ^ Markus, Frank (August 2001). "BMW M Roadster-Fourth Place: Topless Toys". Car & Driver. Retrieved 13 December 2018.
  7. ^ Hernandez, Freddy (15 August 2014). "Five Reasons Why You Need To Buy A BMW Z3 M Right Now". Jalopnik. Retrieved 13 December 2018.
  8. ^ a b "BMW M Registry - FAQ E36/8 M coupe". bmwmregistry.com.
  9. ^ "2007 BMW Z4 M Coupe". caranddriver.com. Retrieved 28 August 2017.
  10. ^ Smith, Jon (31 July 2006). "BMW Z4 M Coupe (2006) review". CAR Magazine. Retrieved 10 December 2018.
  11. ^ "Jalopnik: "Dear BMW, Why Did You Retire the S54B32 Engine?"". BMW BLOG.
  12. ^ a b c Quiroga, Tony (August 2006). "2006 BMW Z4 M Coupe". Car & Driver. Retrieved 10 December 2018.
  13. ^ a b "2006 BMW Z4 M Roadster - Road Test". www.caranddriver.com. Retrieved 15 July 2017.
  14. ^ Source – BMW Car magazine, Nov. 2008 issue, pp 9.
  15. ^ "Z4 M Production Info.csv". www.dreamingwell.com. Archived from the original on 31 May 2016.
  16. ^ BMW Z3#Awards
  17. ^ Car and Driver 10Best#1999
  18. ^ "Top Gear 'best drivers car' award winner 2000". YouTube.
  19. ^ http://www.topgear.com/uk/photos/hammond-icon-z3-2011-10-17?imageNo=2
  20. ^ http://jalopnik.com/5426649/jalopniks-best10-cars-of-the-decade/
  21. ^ http://www.autoblog.com/photos/the-greatest-bmws-of-the-last-100-years/?ncid=edlinkusauto00000016#conversation/
  22. ^ Best Bimmers: our 10 favorite BMW models of the last 100 years
  23. ^ http://www.topgear.com/car-news/classic/gallery-some-greatest-bmws-ever-built#1
  24. ^ http://www.autoevolution.com/news/ten-of-the-most-outstanding-bmw-m-cars-of-all-time-106771.html
  25. ^ https://www.youtube.com/watch?v=S-PpbKl1LfQ
  26. ^ http://www.roadandtrack.com/car-culture/style/g6772/100-greatest-bmws-ever-built/?slide=1
  27. ^ http://www.maxim.com/rides/best-cars-of-1990s-2017-4
  28. ^ https://www.youtube.com/watch?v=J1afN6pWICU
  29. ^ https://www.youtube.com/watch?v=Pu0JawDgkSw
This page was last edited on 2 October 2020, at 18:36
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