From 2006 to 2010, the company assembled and installed the 2.2-liter Peugeot DW12BTED4 or DW12B engine on the company’s most prestigious models, including the 407, 607, and 807. This Bi-Turbo diesel came in four different versions: 4HR, 4HS for automatic transmission and 4HP, 4HT for manual transmission.
DW12TED4, DW12BTED4, DW12CTED4, DW12MTED4, and DW12UTED are all part of the DW12 line.
Specifications
| Production years | 2006-2010 |
| Displacement, cc | 2179 |
| Fuel system | Common Rail |
| Power output, hp | 163 – 170 |
| Torque output, Nm | 370 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 85 |
| Piston stroke, mm | 96 |
| Compression ratio | 16.6 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain & belt |
| Phase regulator | no |
| Turbocharging | Garrett DSGT12-14Z |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.25 |
| Fuel type | diesel |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for Peugeot 407 2009) — city — highway — combined |
8.1 5.0 6.1 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 215 |
The engine was installed on:
- Peugeot 407 I (D2) in 2006 – 2010;
- Peugeot 607 I (Z8/Z9) in 2006 – 2010;
- Peugeot 807 I (V2) in 2006 – 2010;
- Citroen C5 I (X3/X4) in 2006 – 2008; C5 II (X7) in 2008 – 2009;
- Citroen C6 I (X6) in 2006 – 2010;
- Citroen C8 I (V3) in 2006 – 2010;
- Fiat Ulysse II (179) in 2008 – 2010;
- Lancia Phedra I (179) in 2008 – 2010.
Disadvantages of the DW12BTED4 engine
The owner’s biggest issue is the particulate filter clogging;
Frequent mistakes involving underblowing or overblowing turbines rank second in popularity;
Many people ruin injectors and put off changing an expensive fuel filter;
Furthermore, piezo injectors must be drilled out because they frequently break during disassembly.