BMW 6 series 1982 3.4 petrol description
Coupe BMW 635 CSi has been produced from October, 1982 to December, 1987. It has six-cylinder petrol engine with displacement of 3.4 litres, which produces power of 218 horsepower on 5500 rpm and torque 310 Nm (Newton metres) on 4000 revolutions per minute.
This 6-cylinder 12-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has fuel injection system without turbocharger. The engine meets the Euro 2 emissions standard. Average engine life expectancy (mileage before serious repairs are needed) is from 310 000 to 520 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs
This BMW 6 series 3.4 engine oil type is 5W-30 and oil capacity is 5.75 litres.
BMW 635 CSi has classical rear wheel drive (RWD) and manual gearbox with 5 gears.
BMW 635 CSi accelerates to speed 100 kilometres per hour in 7.4 seconds. The maximum speed of this car is 229 km/h.
The fuel consumption of this BMW 635 CSi in combined mode (combining urban and highway driving) is 10 litres per 100km (10 km/l) - this is the most fuel efficient BMW 6 sērija 1982 - 1989 version, city fuel economy - 15.7 l/100km, fuel consumption on highway - 7.2 l/100km. Fuel tank capacity is 70 litres or 18.49 gallons, which gives a mileage up to 700 kilometers without refueling in urban cycle and even up to 960 kilometers on highway.
According to user reviews, this BMW real everyday fuel consumption is 12.2 litres per 100 km, which is 22% more than the manufacturer's stated. More - Real BMW 6 series fuel consumption.
BMW 635 CSi technical data
| Model: | BMW 635 CSi | ||
|---|---|---|---|
| Body style: | Coupe | ||
| Production period: | 1982. October ... 1987. December | ||
| Engine: | 3430 cm3 Petrol, 6 cylinders | CO2 emissions: | no data |
| Power: | 218 HP ON 5500 RPM | Torque: | 310 NM ON 4000 RPM |
| Gearbox: | Manual gearbox (5 gears) | Drive type: | Rear wheel drive (RWD) |
| Maximum speed: | 229 km/h | Acceleration 0-100 km/h: | 7.4 seconds |
| Fuel consumption (l/100km): | 10.0 (combined) 15.7 (urban) 7.2 (highway) | ||
| Real fuel consumption: | 12.2 l/100km (19.3 MPG) by user reviews from various sources | ||
| Fuel tank capacity: | 70 litres (18.5 gallons) | ||
| Car dimensions: | 4.76m (length) 1.72m (width) 1.36m (height) | ||
| Turning diameter: | 11 meters | ||
| Trunk capacity: | 413 litres | ||
| Gross weight: | 1850 kg | ||
BMW 635 CSi engine M30B34
Engine reliability:
Overall, this engine can last around 310,000 to 520,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.| Engine displacement | 3430 cm3 |
|---|---|
| Number of cylinders | 6 |
| Bore (cylinder diameter) | 92 mm |
| Stroke length (piston move) | 86 mm |
| Compression ratio | 8 : 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 | Injection |
| BMW 635 CSi oil type | 5W-30 |
| Oil capacity | 5.75 litres (6.1 quarts) |
| Coolant capacity | 12 litres (12.7 quarts) |
| Power | 185 - 252 HP ON 5500 RPM |
| Torque | 290 - 380 NM ON 4000 RPM |
| Start of production (year) | 1968 |
| Duration of production | 24 years |
| Engine also used on | BMW 5 sērija |
All BMW 6 series coupe [1982 - 1989] modifications
| Modification | Engine | Power | Consumption | Gearbox |
|---|---|---|---|---|
|
BMW 628 CSi
Oct 1982 — Sep 1987 Most fuel efficient version |
2.8 Petrol | 184 HP | 10.0 l/100km | Manual (5) |
|
BMW 628 CSi
Oct 1982 — Sep 1987 Most fuel efficient version |
2.8 Petrol | 184 HP | 10.0 l/100km | Automatic (4) |
| BMW 635 CSi Sep 1987 — Dec 1989 | 3.4 Petrol | 211 HP | 12.0 l/100km | Manual (5) |
| BMW 635 CSi Sep 1987 — Dec 1989 | 3.4 Petrol | 211 HP | 12.0 l/100km | Automatic (4) |
|
BMW 635 CSi
Oct 1982 — Dec 1987 Most fuel efficient version |
3.4 Petrol | 218 HP | 10.0 l/100km | Manual (5) |
|
BMW 635 CSi
Oct 1982 — Dec 1987 Most fuel efficient version |
3.4 Petrol | 218 HP | 10.0 l/100km | Automatic (4) |
|
BMW M 635 CSi
Jan 1984 — Dec 1987 Most dynamic version - 100 km/h in 6.4 seconds |
3.5 Petrol | 286 HP | 11.3 l/100km | Manual (5) |