BMW E9

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File:CS-Interior.jpg
E9 interior (3.0 CS model, with Alpina steering wheel, shift knob and upholstery)

The BMW E9 is a range of coupés produced by German automaker BMW from 1968 to 1975. Initially released as the 2800 CS model, the E9 was based on the BMW 2000 C / 2000 CS four-cylinder coupés, which were enlarged to fit the BMW M30 six-cylinder engine. The E9’s bodywork was built by Karmann.

As a racing car, the E9 was very successful in the European Touring Car Championship and the Deutsche Rennsport Meisterschaft, especially the 3.0 CSL homologation model.

The E9 range was replaced by the E24 6 Series.

Predecessor

Script error: No such module "Labelled list hatnote". The E9's predecessors are the 2000 C and 2000 CS models, which were produced from 1965 to 1969 as part of the BMW New Class range.

Models

2800 CS

File:BMW2800CS.jpg
BMW 2800CS

The first of the E9 coupés, the 2800 CS, replaced the 2000 C and 2000 CS in 1968. The lead designer was Wilhelm Hofmeister.Template:SfnTemplate:Sfn The wheelbase and length were increased to allow the engine bay to be long enough to accommodate the new straight-six engine code-named M30, and the front of the car was restyled to resemble the E3 sedan.Template:Sfn The rear axle, however, remained the same as that used in the lesser "Neue Klasse" models and the rear brakes were initially drums - meaning that the 2800 saloon was a better performing car, as it was also lighter. The CS' advantages were thus strictly visual to begin with.Template:Sfn The 2800 CS used the Script error: No such module "convert". version of the engine used in the E3 sedans.Template:Sfn The engine produced Script error: No such module "convert". at 6000 rpm.[1]

Not only was the 2800 CS lighter than the preceding 2000 CS, it also had a smaller frontal area, further increasing the performance advantage.Template:Sfn The curb weight of the 2800 CS is Script error: No such module "convert"..Script error: No such module "Unsubst".

At the 1969 Geneva Motor Show, BMW unveiled the "2800 Bertone Spicup" concept car.[2] This model, which has a similar appearance to the 1967 Alfa Romeo Montreal, did not reach production.

3.0 CS/CSi

File:1974 BMW 3.0 CS federalized.jpg
1974 BMW 3.0 CS (U.S. model)

The 2800CS was replaced by the 3.0 CS and 3.0 CSi in 1971, which was bored out to give a displacement of Script error: No such module "convert".. The 3.0 CS has a 9.0:1 compression ratio, twin carburetors and produces Script error: No such module "convert". at 6000 rpm. The 3.0 CSi has a 9.5:1 compression ratio, Bosch D-Jetronic electronic fuel injection, and produces Script error: No such module "convert". at 5500 rpm.Template:Sfn Transmission options were a 4-speed manual or a 3-speed automatic.

In the United States, 1974 models have protruding 5 mile per hour bumpers.

3.0 CSL

Introduced in May 1972,Template:Sfn the 3.0 CSL was a homologation special built to make the car eligible for racing in the European Touring Car Championship. 1,265 were built.

The "L" in the designation meant leicht (light), unlike in other BMW designations, where it meant lang (long). The lightness was achieved by using thinner steel to build the unit body, deleting the trim and soundproofing,Template:Sfn using aluminium alloy doors, bonnet, and boot lid, and using Perspex side windows.Template:Sfn The five hundred 3.0 CSLs exported to the United Kingdom were not quite as light as the others, as the importer had insisted on retaining the soundproofing, electric windows, and stock E9 bumpers on these cars.Template:SfnTemplate:Sfn The CSL was not sold in the United States.

Initially using the same engine as the 3.0 CS,Template:Sfn the 3.0 CSL was given a very small increase in displacement to Script error: No such module "convert". by increasing the engine bore by one quarter of a millimetre to Script error: No such module "convert"..Template:SfnTemplate:Sfn This was done in August 1972 to allow the CSL to be raced in the "over three litre" racing category, allowing for some increase in displacement in the racing cars.Template:Sfn In 1973,Template:SfnTemplate:Sfn the engine in the 3.0 CSL was given another, more substantial increase in displacement to Script error: No such module "convert". by increasing the stroke to Script error: No such module "convert"., rated at Script error: No such module "convert". at 5600 rpm and Script error: No such module "convert". at 4200 rpm of torque .Template:SfnTemplate:Sfn[3] This final version of the 3.0 CSL was homologated in July 1973 along with an aerodynamic package including a large air dam, short fins running along the front fenders, a spoiler above and behind the trailing edge of the roof, and a tall rear wing.Template:Sfn The rear wings were not installed at the factory, but were left in the boot for installation after purchase. This was done because the wings were illegal for use on German roads. The full aero package earned the racing CSLs the nickname "Batmobile".Template:SfnTemplate:SfnTemplate:Sfn

The CSL competed in Group 2 form in the European Touring Car Championship, with CSL drivers winning the Drivers title six times in the years 1973 and 1975 to 1979.[4] The CSL also competed in Group 5 Special Production guise, winning three rounds of the 1976 World Championship for Makes. In FIA Group 4 spec, notably when driven by Hans-Joachim Stuck (car featured in Enthusia Professional Racing), they competed against racing versions of the Porsche 911 and Ford Capri with some success.

2.5 CS

The last version of the E9 to be introduced was the 2.5 CS in 1974. This was a response to the 1973 oil crisis, such that the buyer could choose the smaller, more economical engine.Template:Sfn The engine, from the 2500 sedan, displaced Script error: No such module "convert". and produced Script error: No such module "convert". at 6000 rpm.Template:Sfn Only 874 were made until the end of E9 production in 1975, and none were exported to the United States.Template:Sfn

Motorsport

File:Amon, Chris - BMW 3,5 CSL (1973-07-08 Sp).jpg
1973 BMW 3.0 CSL

In 1973, Toine Hezemans won the European Touring Car Championship in a 3.0 CSL and co-drove a 3.0 CSL with Dieter Quester to a class victory at Le Mans. Hezemans and Quester had driven to second place at the 1973 German Touring Car Grand Prix at Nürburgring, being beaten only by Chris Amon and Hans-Joachim Stuck in another 3.0 CSL.Template:Sfn 3.0 CSLs would win the European Touring Car Championship again in every year from 1975 to 1979.Template:SfnTemplate:Sfn

The 3.0 CSL was raced in the 1975 IMSA GT Championship, with Sam Posey, Brian Redman, and Ronnie Peterson winning races during the season.Template:Sfn[5][6]

The 3.5 CSL was built for Group 5 racing and BMW won three races in the 1976 World Championship for Makes with this model.

Art Cars

The first two BMW Art Cars were 3.0 CSLs; the first was painted by Alexander Calder and the second by Frank Stella.Template:Sfn

Production numbers

Production numbers for BMW E9 by model and year[7]
Model/year 1968 1969 1970 1971 1972 1973 1974 1975 Total
2800 CS 138 2534 3335 276 6283
2800 CSA 787 1089 73 1949
3.0 CS 1974 1172 779 267 263 4455
3.0 CSA 520 1215 1169 355 408 3667
3.0 CSi 1061 2999 2741 579 555 7935
3.0 CSiA 2 2
3.0 CSi RHD 66 128 13 207
3.0 CSiA RHD 69 139 7 215
3.0 CSL 169 252 287 40 17 765
3.0 CSL RHD 349 151 500
2.5 CS 272 328 600
2.5 CSA 101 143 244
2800 CS USA 43 415 183 641
2800 CSA USA 36 403 87 526
3.0 CS USA 132 411 450 375 1368
3.0 CSA USA 60 377 314 438 1189
Total E9 Production 138 3400 5242 4535 6777 6026 2694 1734 30,546

2015 3.0 CSL Hommage

In 2015, BMW introduced the 3.0 CSL Hommage concept car at the Concorso d'Eleganza Villa d'Este. The car is a tribute to the 3.0 CSL. It has an inline-six engine with an Template:Proper name hybrid system in the rear of the car. As a homage to the original, the 3.0 CSL Hommage has a minimal interior to keep the weight as low as possible; carbon fibre and aluminium are used in the cockpit for the same reason. The Hommage has Laser-LED lights similar to those in the i8.[8]

And in August 2015, BMW introduced the BMW 3.0 CSL Hommage R concept car at the Pebble Beach Concours d'Elegance. The car celebrates both the 40th anniversary of BMW in North America and the racing success of the 3.0 CSL in 1975.[9]

2023 3.0 CSL

Script error: No such module "Labelled list hatnote". On 24 November 2022, BMW revealed an all-new 3.0 CSL based on the BMW M4, paying homage to the original E9 3.0 CSL. It features a more powerful 3.0-liter Inline-six cylinder engine producing Template:Cvt and Template:Cvt of torque and was built to celebrate BMW M's 50th Anniversary. 50 units were produced.[10]

Notes

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  1. ↑ Script error: No such module "citation/CS1".
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  4. ↑ The European Touring Car Championship Retrieved on 30 July 2010
  5. ↑ Script error: No such module "citation/CS1".
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  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "citation/CS1".
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References

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External links

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Type 1960s 1970s 1980s
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9
Microcar Isetta 250, 300
Supermini LS, 700
Compact executive car (pre-3/4-series) Sedan 02 Series E21 E30
Coupé 1600GT
Executive car (pre-5/6-series) Sedan New Class sedans E12 E28 E34
Coupé 2000 C, 2000 CS E9 E24
Luxury car (pre-7/8-series) Sedan 501, 502 E3 E23 E32
Coupé 3200 CS 3000 V8
Roadster Z1
Sports car E26
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