M635CSi
The sharknose grand tourer with an M88 heart.
1986 UK historic-fleet specification · non-catalyst · Factory source
Every figure, in one place.
Performance
- Power
- 286 PS · 282 hp · 210 kW
- Torque
- 340 Nm
- 0–100 km/h
- 6.4 s
- Top speed
- 255 km/h
- Power-to-weight
- 5.28 kg/PS
Engine and drivetrain
- Engine
- M88/3 · Inline-six
- Displacement
- 3,453 cm³
- Induction
- Naturally aspirated
- Gearbox
- 5-speed manual
- Drivetrain
- Rear-wheel drive
- Powertrain
- Petrol
Body and dimensions
- Production
- 1984–1989
- Body
- Coupés
- Length
- 4,755 mm
- Width
- 1,725 mm
- Height
- 1,354 mm
- Wheelbase
- 2,625 mm
- Kerb weight
- 1,510 kg
- Fuel tank
- 70 L
Where this car ranks across all 93 cars in the catalogue.
Why you’d want one
- A classic grand tourer with an M engine.
Know before you buy
- Rust in sills, floors and arches is the main concern
- Parts are scarce; originality affects value
- Specialist servicing and valve adjustment required
Commonly reported ownership points, not a guarantee of faults. Always get an independent inspection.
A classic six with Motorsport power.
The M635CSi puts the M88/3 straight-six beneath the long bonnet of the E24 coupé. Beside the E28 M5, it shows two very different bodies built around a related engine idea.
A classic grand tourer with an M engine.
Check body corrosion, history and model-specific equipment.
The M635CSi and E28 M5 share the M88/3 catalogue label.
M88/3 · Inline-six
The M635CSi gives the E24 luxury coupé a 3,453 cm³ M88 six-cylinder with twin overhead camshafts and 24 valves. These figures describe the non-catalyst European version.
M88/3 museum engine, exhaust side. Installation differs between the M5 and M635CSi.
M88/3 · Petrol
The M635CSi gives the E24 luxury coupé a 3,453 cm³ M88 six-cylinder with twin overhead camshafts and 24 valves. These figures describe the non-catalyst European version.
Natural aspiration
Intake air enters without a turbocharger. Engine breathing, valve timing and engine speed shape the way torque builds.
Rear-wheel drive
The front-mounted straight-six works with a five-speed manual gearbox and rear-wheel drive. The related North American M6 used a different engine specification.
1986 UK historic-fleet specification · non-catalyst
Power and torque above describe engine output for this specific factory specification. PS means metric horsepower; hp is used for US-rated output. Other model years and markets can differ. Open the BMW factory source for the original specification.
The full specification.
Related cars
Photo credits
- BMW M635 CSi (2467445918-crop-retouched).jpg — nakhon100 · CC BY-SA 4.0 · Original