BMW M43 engine
Content
A series of BMW M43 gasoline engines from 1.6 to 1.9 liters was produced from 1993 to 2002 and was installed on such popular models as the 5-Series in the E34 body and the 3-Series in the E36 and E46 bodies. There was a 16-valve version of the 1.9-liter engine under its own index M44B19.
The R4 line includes: M10, M40, N42, N43, N45, N46, N13, N20 and B48.
Technical characteristics of engines of the BMW M43 series
| Exact volume | 1596 cm³ |
| Supply system | injector |
| Internal combustion engine power | 102 hp |
| Torque | 150 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Bore | 84 mm |
| Piston stroke | 72 mm |
| Compression ratio | 9.7 |
| Features of the internal combustion engine | DISA |
| Hydraulic compensators | Yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 4.0 liters 5W-30 |
| fuel type | AI-92 |
| Environmental class | EURO 2/3 |
| Approximate resource | 300 000 km |
| Exact volume | 1796 cm³ |
| Supply system | injector |
| Internal combustion engine power | 115 hp |
| Torque | 168 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Bore | 84 mm |
| Piston stroke | 81 mm |
| Compression ratio | 9.7 |
| Features of the internal combustion engine | DISA |
| Hydraulic compensators | Yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 4.0 liters 5W-30 |
| fuel type | AI-92 |
| Environmental class | EURO 2/3 |
| Approximate resource | 320 000 km |
| Exact volume | 1895 cm³ |
| Supply system | injector |
| Internal combustion engine power | 105 hp |
| Torque | 165 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Bore | 85 mm |
| Piston stroke | 83.5 mm |
| Compression ratio | 9.7 |
| Features of the internal combustion engine | DISA |
| Hydraulic compensators | Yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 4.0 liters 5W-30 |
| fuel type | AI-92 |
| Environmental class | EURO 2/3 |
| Approximate resource | 350 000 km |
| Exact volume | 1895 cm³ |
| Supply system | injector |
| Internal combustion engine power | 118 hp |
| Torque | 180 Nm |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Bore | 85 mm |
| Piston stroke | 83.5 mm |
| Compression ratio | 9.7 |
| Features of the internal combustion engine | DISA |
| Hydraulic compensators | Yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| What kind of oil to pour | 4.0 liters 5W-30 |
| fuel type | AI-92 |
| Environmental class | EURO 2/3 |
| Approximate resource | 340 000 km |
The weight of the M43 engine in the catalog is 138 kg
Engine number M43 is located at the junction of the block with the pallet
Fuel consumption internal combustion engine BMW M 43
Using the example of a 318 BMW 1996i with a manual transmission:
| City | 11.0 liters |
| Track | 6.2 liters |
| Mixed | 7.9 liters |
Similar motors from other manufacturers:
Which cars were equipped with the M43 1.6 - 1.9 l engine
| 3-Series E36 | 1993 – 2000 |
| 3-Series E46 | 1998 – 2001 |
| 5-Series E34 | 1994 – 1996 |
| Z3-Series E36/7 | 1996 – 2002 |
Disadvantages, breakdowns and problems of the M43
The main problem of the unit is not reliability, but low power characteristics
You will know about the failure of the DISA variable geometry system by the cod and noise
Often there are oil leaks from under the valve cover, usually the gasket is to blame
Crankcase gas recirculation valve clogged, antifreeze supply pipes burst
From cheap oil, the camshaft quickly wears out here, hydraulic lifters knock
