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By 1986, BMW’s high-performance credentials had been thoroughly satisfied with such groundbreaking cars as the M1 and the 2002 Turbo, cementing the company’s reputation as a maker of driver’s cars. As the successor to the storied 3.0CSL, the M635CSi is a standard 6-Series on BMW Motorsport steroids. Lifting the M88 inline six from the aforementioned M1 supercar, the M635CSi is certainly no slouch. The motor is a highly developed high-performance unit good for 286 horsepower, an eyebrow-raising figure for a naturally-aspirated engine in that era of low-horsepower, emissions-controlled motors. Of course, as the top-flight BMW car (the M1 went out of production several years before), all of BMW’s luxury and comfort options were available—but first and foremost, the M635CSi was made to drive hard, with BMW Motorsport suspension tweaks and larger brakes. Able to sprint to 60 mph in six seconds flat (an impressive feat in the mid-1980s), the M635SCi also had the good taste to appear relatively stock to passersby, in stark contrast to the wild 3.0CSL “Batmobiles” of the 1970s—nothing was much different outside save a different front air dam and a couple of Motorsport badges. That’s a good thing, as the “E24” six series’ sharknosed proportions are an enduring reminder of an era where this big coupe was as much a status symbol as it was an amazing driver.
— Official description [1]

The 1986 BMW M635 CSi, abbreviated as BMW M6 '86, is a front-engined sports car by BMW that debuted in Forza Motorsport 4, and is featured in every subsequent Forza main title since Forza Motorsport 6, except for Forza Horizon 4.


The M635 CSi was a performance model tuned by BMW's M division but manufactured by BMW itself. Introduced as the most powerful model of the E24 chassis BMW 6 Series, the M635 CSi was powered by a 3.5 six-cylinder engine previously found in the BMW M1.[2]

The M635 CSi was rebadged as the BMW M6 in North America and ended production in 1989. The name of the latter was revived in 2005 with the second generation BMW 6 Series.


Icon ForzaMotorsport4 Wide
Speed 5.3
Handling 4.9
Acceleration 5.9
Launch 6.5
Braking 4.9
C 373
Unlock Requirements
Car Dealer:
Purchase from the car dealer for 21,000 CR
Performance & Body Style
Body Style:
Sports Car
Top Speed: 155.7 mph  (250.5 km/h)
0-60 mph (0-97 km/h): 6.000 secs.
0-100 mph (0-161 km/h): 15.100 secs.
60-0 mph (97-0 km/h): 129.4 ft (39.4 m)
100-0 mph (161-0 km/h): 349.7 ft (106.6 m)
Lateral Gs:
60 mph (97 km/h): 0.86 g
120 mph (193 km/h): 0.85 g
Icon ForzaMotorsport6 Wide
Speed 5.9
Handling 4.7
Acceleration 6.6
Braking 4.5
D 399
Unlock Requirements
Car Dealer:
Purchase from the car dealer for 21,000 CR
Performance & Division
Modern Sport Legends
Top Speed: 158.6 mph  (255.2 km/h)
0-60 mph (0-97 km/h): 6.000 secs.
0-100 mph (0-161 km/h): 15.100 secs.
60-0 mph (97-0 km/h): 128.7 ft (39.2 m)
100-0 mph (161-0 km/h): 322.7 ft (98.4 m)
Lateral Gs:
60 mph (97 km/h): 1.08 g
120 mph (193 km/h): 1.07 g
Icon ForzaMotorsport7 Wide
Speed 5.9
Handling 4.5
Acceleration 6.6
Braking 4.3
Rare FM7 T3
D 390
Unlock Requirements
Specialty Dealer:
Purchase from the Specialty Dealer for 205,000 CR
Performance & Division
Early Sport Luxury
Value: 205,000 CR
Collection Tier:
Tier 3 - Rare (+407)
Top Speed: 159.0 mph  (255.8 km/h)
1/4 Mile: missing data
0-60 mph (0-97 km/h): 6.000 secs.
0-100 mph (0-161 km/h): 15.118 secs.
60-0 mph (97-0 km/h): 136.9 ft (41.7 m)
100-0 mph (161-0 km/h): 346.6 ft (105.6 m)
Lateral Gs:
60 mph (97 km/h): 1.07 g
120 mph (193 km/h): 1.02 g
Icon ForzaHorizon3 Wide
Speed 6.0
Handling 6.1
Acceleration 6.9
Launch 7.3
Braking 5.2
B 612
Unlock Requirements
Purchase from the Autoshow for 52,000 CR
Performance & Championship
Retro Saloons
Top Speed: missing data
0-60 mph (0-97 km/h): missing data
0-100 mph (0-161 km/h): missing data
60-0 mph (97-0 km/h): missing data
100-0 mph (161-0 km/h): missing data
Lateral Gs:
60 mph (97 km/h): missing data
120 mph (193 km/h): missing data


Icon Engine Conversion - Engine
Icon Game ForzaMotorsport4 V10 - M5 '09
Icon Game ForzaMotorsport6 2.6L I6 - TT
5.7L V8
3.2L I6
Icon Game ForzaMotorsport7 2.6L I6 - TT
3.2L I6
6.2L V8
Icon Game ForzaHorizon3 3.0L I6 - TT
3.2L I6
6.2L V8
5.2L V10
Icon Drivetrain Conversion - Drivetrain
Icon Game ForzaMotorsport4 AWD Drivetrain
Icon Game ForzaMotorsport6 AWD Drivetrain
Icon Game ForzaMotorsport7 AWD
Icon Game ForzaHorizon3 AWD Drivetrain
Icon Aspiration Conversion - Aspiration
Icon Game ForzaMotorsport4 Single Turbo, Twin Turbo, Twin-Screw Supercharger
Icon Game ForzaMotorsport6 Single Turbo, Centrifugal Supercharger
Icon Game ForzaMotorsport7 Single Turbo, Centrifugal Supercharger
Icon Game ForzaHorizon3 Single Turbo, Centrifugal Supercharger




  1. "Forza Horizon 3 - Cars". Retrieved 09-05-2018.
  2. - Archived Instrumented Test - 1984 BMW M635CSi
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