BMW E9 CSL 3.5 group 5 (1975)
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CSL = Coupe Sport Leicht
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Specifications

4 units built for group 4
21 units built
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Click here and here for 3.5 CSL group 4
Click here for street version article

Group 4 (1974)
BMW M49/2, straight 6 cyl, 4 stroke, petrol engine
3498cc, 94.0 x 84.0 mm
11.0:1
440 bhp / 328 kw @ 8600 rpm
cast-iron block, aluminium alloy "crossflow" head
forged steel crankshaft with 7 main bearings
DOHC, 4 valves/cyl - 24 valves total
aspiration, natural with Bosch D-jetronic mechanical Fuel injection and Kugelfischer injection pump
firing order 1-5-3-6-2-4
water cooled

Group 5 (1976)
BMW M49/3, straight 6 cyl, 4 stroke, petrol engine
3498cc, 94.0 x 84.0 mm
470-485 HP @ 8700 rpm
cast-iron block, aluminium alloy "crossflow" head
forged steel crankshaft with 7 main bearings
DOHC, 4 valves/cyl - 24 valves total
aspiration, natural with Bosch D-jetronic mechanical Fuel injection and Kugelfischer injection pump
firing order 1-5-3-6-2-4
water cooled

Getrag 5 speed "close ratio" manual gearbox
final drive, 3.07/1
Unit Steel chassis with Aluminum Panels
rack and pinion steering
Length 4,630 mm (182.3 in)
Width 1,730 mm (68.1 in)
Height 1,370 mm (53.9 in)
Wheelbase 2,625 mm (103.3 in)
Track (fr/r) 1,470 mm (57.9 in) / 1,426 mm (56.1 in)
tires, front 12.5 x 16", 15.75 x 16"
1000kg


Results in WSCC

Season
Group 4 with M49/2 engine
Car entry, chassis number Car number/ result
Dayt Mugello Dijon Monza Spa Pergusa Nurb Zeltweg Watkins Glen
Team 24h 1000km 800km 1000km 1000km 1000km 1000km 1000km 6h
BMW of America #24, eng ine #24, 6th
BMW of America #25, eng ine #25, acci dent
Total points
5
5
Statistics
Works Starts/finishes 4/1 2/0 2/1
Driver Team entries and car number
BMW of America
Sam Posey 24 24
Hans-Joachim Stuck 24 25
Ronnie Peterson 25 25
Brian Redman 25 24

Article from Motorsport Sib (4/2011)
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320 turbo
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