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  Benetton B186 BMW
 

  Article Image gallery (14) B186-01 Specifications User Comments (2)  
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Country of origin:Great Britain
Produced in:1986
Numbers built:7
Designed by:Rory Byrne for Benetton
Successor:Benetton B187 Cosworth
Author:Wouter Melissen
Last updated:January 18, 2016
Download: All images

Engine
Configuration BMW M12/13 Straight 4
Location Mid, longitudinally mounted
Construction cast-iron block, aluminium head
Displacement 1,499 cc / 91.5 cu in
Bore / Stroke 89.2 mm (3.5 in) / 60.0 mm (2.4 in)
Compression 7.5:1
Valvetrain 4 valves / cylinder, DOHC
Camshaft Gear driven
Fuel feed Bosch/Kugelfischer Fuel Injection
Lubrication Dry sump
Aspiration KKK Turbo
Power 900 bhp / 671 KW @ 11,000 rpm
Torque 1,066 Nm / 786 ft lbs @ 8,500 rpm
BHP/Liter 600 bhp / liter

Drivetrain
Chassis carbon fibre and nomex honeycomb monocoque with rear subframe and semi-stressed engine
Front suspension double wishbones, pull rod operated coils springs over Koni shock-absorbers, anti-roll bar
Rear suspension double wishbones, push rod operated coil springs over Koni shock absorbers, anti-roll bar
Steering rack-and-pinion
Brakes (fr/r) Brembo ventilated carbon ceramic discs, 279mm (11 in), 4-pot caliper
Gearbox Toleman / Hewland 6 speed Manual
Drive Rear wheel drive

Dimensions
Weight 540 kilo / 1,191 lbs
Length / Width / Height 4,348 mm (171.2 in) / 1,397 mm (55 in) / 975 mm (38.4 in)
Wheelbase / Track (fr/r) 2,791 mm (109.9 in) / 1,816 mm (71.5 in) / 1,681 mm (66.2 in)
Fuel tank 195 Litre (51.5 Gallon US / 42.9 Gallon Imperial)
Wheels (fr/r) Dymag 11.25 x 13 / 16 x 13
Tyres (fr/r) Pirelli P7 Racing 255/630 - 13 / 410/655 - 13

Performance figures
Power to weight 1.67 bhp / kg
Weight distribution 35% front / 65% rear
0-60 mph 3.0 s
0-100 mph 4.8 s

Race history
Major wins
1986 Mexican Grand Prix (Gerhard Berger in B186/06)

Resources
Related articles
Useful links

  Article Image gallery (14) B186-01 Specifications User Comments (2)