BMW 6 series 1982 3.4 petrol description
Coupe BMW 635 CSi has been produced from September, 1987 to December, 1989. It has six-cylinder petrol engine with displacement of 3.4 litres, which produces power of 211 horsepower on 5700 rpm and torque 305 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 automatic gearbox with 4 gears.
BMW 635 CSi accelerates to speed 100 kilometres per hour in 9 seconds. The maximum speed of this car is 220 km/h.
The fuel consumption of this BMW 635 CSi in combined mode (combining urban and highway driving) is 12 litres per 100km (8.3 km/l). Fuel tank capacity is 70 litres or 18.49 gallons, which gives a mileage up to 580 kilometers without refueling in urban cycle.
According to user reviews, this BMW real everyday fuel consumption is 13.1 litres per 100 km, which is 9% 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: | 1987. September ... 1989. December | ||
| Engine: | 3430 cm3 Petrol, 6 cylinders | CO2 emissions: | no data |
| Power: | 211 HP ON 5700 RPM | Torque: | 305 NM ON 4000 RPM |
| Gearbox: | Automatic gearbox (4 gears) | Drive type: | Rear wheel drive (RWD) |
| Maximum speed: | 220 km/h | Acceleration 0-100 km/h: | 9.0 seconds |
| Fuel consumption (l/100km): | 12.0 (combined) | ||
| Real fuel consumption: | 13.1 l/100km (18 MPG) by user reviews from various sources | ||
| Fuel tank capacity: | 70 litres (18.5 gallons) | ||
| Car dimensions: | 4.82m (length) 1.72m (width) 1.36m (height) | ||
| Turning diameter: | 12 meters | ||
| Trunk capacity: | 413 litres | ||
| Gross weight: | 1915 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) |
| Power | 185 - 252 HP ON 5700 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) |