The Volkswagen BJL is a 2,459 cc, VR6 petrol engine produced between 2005 and 2008. It features a unique 15 — degree narrow — angle V6 layout with double overhead camshafts and multi — point fuel injection, delivering 125 kW (170 PS) and 240 Nm of torque for smooth, linear power delivery.
Fitted to models such as the Passat B6 and Eos, the BJL was engineered for drivers seeking a refined, torquey alternative to four — cylinder engines. Emissions compliance for its production per…

Volkswagen
Production years 2005–2008 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/8902).
The Volkswagen BJL is a 2,459 cc VR6 petrol engineered for mid-size sedans and convertibles (2005-2008). It combines multi-point fuel injection with a compact narrow-angle V6 design to deliver smooth, linear power and a distinctive engine note. Designed to meet Euro 4 standards, it balances refinement with adequate performance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,459 cc | |
Fuel type | Petrol | |
Configuration | VR6, DOHC, 24‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 82.0 mm × 77.4 mm | |
Power output | 125 kW (170 PS) | |
Torque | 240 Nm @ 3,000 rpm | |
Fuel system | Multi-point fuel injection (MPI) | |
Emissions standard | Euro 4 | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain (front‑mounted) | |
Oil type | VW 502 00 (SAE 5W‑40) | |
Dry weight | 168 kg |
The Volkswagen BJL was used across Volkswagen's B6 platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Passat and specific ECU mappings for the Eos-creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
The BJL's primary reliability risk is intake manifold flap motor failure, with elevated incidence in high-mileage vehicles. Volkswagen internal service data indicated a significant number of manifold or motor replacements under warranty, while owner reports frequently cite rough idling or a check engine light. Extended use of poor-quality fuel or neglecting basic maintenance can accelerate wear, making adherence to service intervals critical.
Analysis derived from Volkswagen technical bulletins (2006-2009) and UK DVSA failure statistics (2015-2023). 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 BJL is generally a smooth and reliable engine, known for its durability. Its main weaknesses are the intake manifold flap motor and ignition coils. Addressing these with revised parts and adhering to strict maintenance, particularly oil changes, can result in a very long-lasting engine.
The most frequent issues are intake manifold flap motor failure, ignition coil failure, coolant temperature sensor faults, and oil leaks from the valve cover gasket. These are well-documented in Volkswagen service bulletins, with the flap motor being the most characteristic issue for this engine.
The BJL 2.5 VR6 was primarily used in the Passat B6 (2005-2008) and Eos (2006-2008). It was offered as a smooth, torquey alternative to the four-cylinder engines in these models.
Yes, but the gains are modest due to its naturally aspirated design. ECU remapping can yield around 10-15% more power, taking it to ~185-195 PS. The VR6's robust internals can handle this, but significant power increases require forced induction, which is complex and expensive.
Moderate. In a Passat 2.5 VR6, expect around 11.0 L/100km in the city and 7.0 L/100km on the highway, translating to roughly 25-30 mpg UK combined. Real-world economy is heavily dependent on driving style due to the engine's size and power.
Yes. The BJL is an interference engine. If the timing chain fails or jumps, the pistons will collide with the open valves, causing catastrophic engine damage. Fortunately, the chain is front-mounted and generally very reliable if maintained properly.
Volkswagen mandates oil meeting the VW 502 00 specification, typically a 5W-40 synthetic. This is crucial for protecting the engine and ensuring longevity. Using the correct oil is essential for the BJL's smooth operation.
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 VOLKSWAGEN 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.
VOLKSWAGEN 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 officialVOLKSWAGEN 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.