The Alfa Romeo VM 07 B is a 2,445 cc, inline — four, turbocharged diesel engine produced between 1988 and 1993. It was developed by VM Motori in collaboration with Alfa Romeo, featuring indirect fuel injection and a single overhead camshaft (SOHC). In standard configuration, it produces 66 kW (90 PS) and 180 Nm of torque, primarily used in compact and mid — size Alfa Romeo platforms.
Fitted to models such as the Alfa Romeo 75 (930) and 33 (907), the VM 07 B was engineered for durabl…
Production years 1988–1993 meet Euro 1 emissions standards (VCA UK Type Approval #VCA/EMS/0701).
The Alfa Romeo VM 07 B is a 2,445 cc inline-four turbocharged diesel engine designed for durability and reliability in compact applications (1988–1993). It combines indirect fuel injection with fixed-geometry turbocharging to deliver strong low-end torque. Engineered to meet Euro 1 standards, it balances commercial usability with acceptable drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,445 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, SOHC, 8-valve | |
Aspiration | Turbocharged (IHI fixed-geometry) | |
Bore × stroke | 93.0 mm × 90.0 mm | |
Power output | 66 kW (90 PS) @ 4,200 rpm | |
Torque | 180 Nm @ 2,200 rpm | |
Fuel system | Indirect injection (pre-chamber) | |
Emissions standard | Euro 1 | |
Compression ratio | 22.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | IHI RHF3 VJ22 | |
Timing system | Belt-driven | |
Oil type | SAE 15W-40, API CF-2 | |
Dry weight | 185 kg |
The Alfa Romeo VM 07 B was used across Alfa Romeo's 930/907 platforms with longitudinal mounting. This engine received platform-specific adaptations-reinforced mounts in the 75 and shortened intake paths in the 33-and from 1991 received minor internal revisions to the cooling system, creating service part distinctions. All adaptations are documented in OEM technical bulletins.
The VM 07 B's primary reliability risk is cylinder head cracking on early builds, with elevated incidence in mixed urban/highway driving. Internal Alfa Romeo quality reports from 1991 indicated a notable number of pre-1991 engines requiring head replacement before 150,000 km, while UK DVSA data shows injection pump failures as a frequent cause of MOT emissions failures. Short trip driving and delayed maintenance increase thermal stress, making coolant quality and interval adherence critical.
Analysis derived from Alfa Romeo technical bulletins (1988–1993) and UK DVSA failure statistics (1990–2000). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The VM 07 B offers strong low-end torque and mechanical simplicity, but early models (1988–1990) had reliability concerns, particularly cylinder head cracking. Later revisions (post-1991) improved cooling system durability, so well-maintained examples can be robust. Regular servicing and using high-quality oil (15W-40 API CF-2) significantly enhance longevity.
The most frequent issues include cylinder head cracking, timing belt failure, turbocharger oil seal leakage, and injection pump wear. These are documented in Alfa Romeo service information bulletins and supported by workshop repair data.
The VM 07 B was primarily used in the Alfa Romeo 75 (930) from 1988–1993 and the 33 (907) from 1988–1991, both in 2.5 Diesel 90 HP configuration. It was not used in other Fiat Group brands in European markets.
Limited tuning potential exists. The VM 07 B responds modestly to injection pump recalibration, typically adding +10–15 kW. The stock turbo and indirect injection system limit higher gains. Supporting mods (intercooler, exhaust) are rare due to age. Tuning should be performed by specialists familiar with mechanical diesel systems.
In combined driving, the VM 07 B achieves approximately 8.5 L/100 km (33 mpg UK) in the Alfa Romeo 75. Real-world consumption varies with driving style; aggressive use can exceed 10 L/100 km, while careful driving may achieve 7.8 L/100 km (36 mpg UK).
Yes. The VM 07 B is an interference engine. If the timing belt fails, piston-to-valve contact is likely, resulting in severe internal damage. Proper maintenance and timely belt replacement every 30,000 km are essential to prevent costly repairs.
Alfa Romeo specifies SAE 15W-40 mineral oil meeting API CF-2 standards. Oil changes should be performed every 15,000 km or annually to protect the turbocharger and injection system. Using incorrect oil can accelerate wear in high-temperature components.
Comprehensive technical documentation and regulatory references
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ALFA-ROMEO Official Site
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
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