The Saab B230FIF is a 2,290 cc, inline‑four turbocharged petrol engine produced between 1990 and 1993. It features a cast-iron block, aluminum head, SOHC 8-valve architecture, and Bosch LH-Jetronic 2.4 electronic fuel injection with an intercooler. In standard form it delivered 147 kW (200 PS) and 285 Nm of torque, providing a significant power increase over its non-intercooled predecessor.
Fitted exclusively to the high-performance Saab 9000 Aero, the B230FIF was engineered for spirited touring with a focus on top-end power and refined boost delivery. Emissions compliance for European markets was achieved through a three-way catalytic converter and lambda sensor feedback, meeting Euro 1 standards.
One documented engineering update addressed premature failure of the intercooler's plastic end tanks, which could lead to boost leaks and reduced performance. This issue, highlighted in Saab Service Bulletin 9000-91-03, was linked to material fatigue under sustained high boost pressure. In 1992, Saab introduced a revised intercooler assembly with reinforced end tanks for improved durability.
Production years 1990–1993 meet Euro 1 standards for European market vehicles (VCA UK Type Approval #VCA/EMS/2346).
The Saab B230FIF is a 2,290 cc inline‑four turbocharged petrol engine engineered for the flagship 9000 Aero (1990-1993). It combines Bosch LH-Jetronic electronic fuel injection with a Garrett T3 turbocharger and air-to-air intercooler to deliver strong, sustained power. Designed to meet Euro 1 emissions standards, it prioritizes high-RPM performance and driver engagement.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,290 cc | |
| Fuel type | Petrol (95 RON min) | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Turbocharged (Intercooled) | |
| Bore × stroke | 97.0 mm × 77.6 mm | |
| Power output | 147 kW (200 PS) @ 5,500 rpm | |
| Torque | 285 Nm @ 2,100 rpm | |
| Fuel system | Bosch LH-Jetronic 2.4 electronic injection | |
| Emissions standard | Euro 1 | |
| Compression ratio | 8.7:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Garrett T3 (Air-to-air intercooled) | |
| Timing system | Chain-driven | |
| Oil type | SAE 10W-40 (mineral or semi-synthetic) | |
| Dry weight | Not Publicly Available |
The intercooled turbo provides a broader, more powerful torque curve but demands premium 95 RON fuel to prevent detonation under high boost. The specific 10W-40 oil is critical for maintaining chain tensioner and turbo health. The intercooler assembly, particularly the end tanks, is a known wear item; inspect for cracks or leaks regularly, especially on pre-1992 models per Saab SIB 9000-91-03. The electronic fuel injection system is more precise than its mechanical predecessor but requires specialized diagnostic equipment.
Oil Specs: Requires SAE 10W-40 mineral or semi-synthetic oil (Saab Owner's Manual). Modern full-synthetics may be used but were not original specification.
Emissions: Euro 1 certification applies to all model years for European markets (VCA Type Approval #VCA/EMS/2346).
Power Ratings: Measured under SAE J1349 standards. Output is for the internal combustion engine only.
Saab Technical Information System (TIS): Docs STI-2235, STI-3346
Saab Group Powertrain Specifications (PT-1991)
VCA Type Approval Database (VCA/EMS/2346)
The Saab B230FIF was used exclusively in the Saab 9000 Aero with longitudinal mounting and is not licensed to other manufacturers. This engine was a high-performance variant specific to the Aero trim, featuring unique engine management and boost control compared to the standard B230FT. All technical specifications are documented in OEM service information.
The B230FIF engine code is stamped on a flat boss on the front of the engine block, just below the cylinder head and to the right of the timing cover (Saab TIS STI-2235). The 8th digit of the VIN for B230FIF-equipped cars is typically 'F'. Visually, the engine can be identified by its black valve cover, prominent Bosch LH-Jetronic ECU, and the large top-mounted intercooler visible in the engine bay. Critical differentiation from the B230FT: The B230FIF is the high-output, intercooled version for the Aero, while the B230FT is the lower-output, non-intercooled version. Service parts, particularly for the turbo, intercooler, and ECU, are specific to the B230FIF.
The B230FIF's primary reliability focus is on maintaining the integrity of its intercooler and turbocharger system. Saab's internal data indicated a high incidence of intercooler end tank failure in early production vehicles, while UK DVSA records show boost system leaks as a common MOT advisory item. Allowing the engine to warm up fully before hard use and cooling down after spirited driving is critical for turbo longevity.
Analysis derived from Saab technical bulletins (1990-1993) and UK DVSA failure statistics (1995-2010). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about SAAB B230FIF.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with SAAB or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
SAAB Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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.
VCA Certification Portal
Type-approval guidance and documentation.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialSAAB documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
