BMW 630 CS

BMW 6 series 1976 3.0 petrol description

Coupe BMW 630 CS has been produced from January, 1976 to December, 1979. It has six-cylinder petrol engine with displacement of 3.0 litres, which produces power of 185 horsepower on 5800 rpm and torque 255 Nm (Newton metres) on 3500 revolutions per minute.

This 6-cylinder 12-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine may have fuel injection system or carburetor, this is an atmospheric engine (without turbine). Engine versions compliant with Euro 1 and Euro 2 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 290 up to 490 thousand kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs 
This BMW 6 series 3.0 engine oil type is 5W-30 and oil capacity is 5.75 litres.

BMW 630 CS has classical rear wheel drive (RWD) and manual gearbox with 4 gears.
BMW 630 CS accelerates to speed 100 kilometres per hour in 8.9 seconds. The maximum speed of this car is 210 km/h.

BMW 630 CS fuel consumption is 11.4 litres per 100km in combined city/highway mode (8.8 km/l) - this is the most fuel efficient BMW 6 sērija 1976 - 1982 version. Fuel tank capacity is 70 litres or 18.49 gallons, which gives a mileage up to 600 kilometers without refueling in urban cycle.

With the same engine there is also BMW 6 series version with automatic gearbox (BMW 630 CS AT) available, which is more sluggish, reaching 100 km/h 2.3 seconds later (in 11.2 seconds), but manufacturer's fuel consumption is higher by 1 litres per 100 km or 9 % - 12.4 litres per 100 km.
BMW 6 series 1976

BMW 630 CS technical data

Model: BMW 630 CS
Body style: Coupe
Production period: 1976. January ... 1979. December 
Engine: 2986 cm3 Petrol, 6 cylinders CO2 emissions: no data
Power: 185 HP ON 5800 RPM Torque: 255 NM ON 3500 RPM
Gearbox: Manual gearbox (4 gears) Drive type: Rear wheel drive (RWD)
Top speed: 210 km/h Acceleration 0-100 km/h: 8.9 seconds
Fuel consumption (l/100km): 11.4 (combined)
Fuel tank capacity: 70 litres (18.5 gallons)
Car dimensions: 4.76m (length) 1.72m (width) 1.36m (height)
Turning diameter: 11.2 meters
Trunk capacity: 415 litres
Gross weight: 1830 kg

BMW 630 CS engine M30B30

Engine reliability:

Overall, this engine can last around 290,000 to 490,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
Engine displacement 2986 cm3
Number of cylinders 6
Bore (cylinder diameter) 89 mm
Stroke length (piston move) 80 mm
Compression ratio 9 : 1
Camshaft drive Timing chain

Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more.

Fuel system Carburettor or injector
BMW 630 CS oil type 5W-30
Oil capacity 5.75 litres (6.1 quarts)
Power 180 - 200 HP ON 5800 RPM
Torque 255 - 275 NM ON 3500 RPM
Start of production (year) 1968
Duration of production 24 years
Engine also used on BMW 5 sērija

All BMW 6 series coupe [1976 - 1982] modifications

Modification Engine Power Consumption Gearbox
BMW 628 CSi Oct 1979 — Aug 1982 2.8 Petrol 184 HP 12.0 l/100km Manual (4)
BMW 628 CSi Oct 1979 — Aug 1982 2.8 Petrol 184 HP 12.0 l/100km Automatic
BMW 630 CS Jan 1976 — Dec 1979

Most fuel efficient version

3.0 Petrol 185 HP 11.4 l/100km Manual (4)
BMW 630 CS Jan 1976 — Dec 1979 3.0 Petrol 185 HP 12.4 l/100km Automatic
BMW 633 CSi Jul 1976 — Aug 1982 3.2 Petrol 197 HP 12.0 l/100km Manual (4)
BMW 633 CSi Jul 1976 — Aug 1982 3.2 Petrol 197 HP 12.0 l/100km Automatic
BMW 635 CSi Jul 1978 — Aug 1982

Most dynamic version - 100 km/h in 7.6 seconds

3.5 Petrol 218 HP 13.0 l/100km Manual (5)
BMW 635 CSi Jul 1978 — Aug 1982

Most powerfull version (218 HP)

3.5 Petrol 218 HP 12.0 l/100km Automatic
BMW 6 series 1976 reviews
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