The Volkswagen BJM is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2005 and 2008. It features gasoline direct injection (FSI), a single turbocharger, and dual overhead camshafts (DOHC). This engine was part of VW's effort to deliver strong power output with improved fuel efficiency for its premium models.
Fitted primarily to the B7 Passat and early B6 Passat models, the BJM was engineered for a blend of refined performance and everyday drivability. Emissions compliance was achieved through precise fuel metering and catalytic conversion, meeting Euro 4 standards for its production period.
One documented service concern is carbon buildup on intake valves, a known characteristic of early FSI engines without port injection. This issue, referenced in Volkswagen Group Service Technical Information, stems from the direct injection design which bypasses the intake ports. Later engine generations incorporated solutions to mitigate this.
Volkswagen
Production years 2005–2008 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen BJM is a 1,984 cc inline‑four turbocharged petrol engine engineered for mid‑size sedans and wagons (2005-2008). It combines gasoline direct injection (FSI) with a single turbocharger to deliver responsive power and good fuel economy. Designed to meet Euro 4 standards, it offers a balance of performance for its vehicle class.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,984 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 82.5 mm × 92.8 mm | |
| Power output | 147 kW (200 PS) | |
| Torque | 280 Nm @ 1,800–5,000 rpm | |
| Fuel system | Gasoline Direct Injection (FSI) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbocharger (KKK or Garrett) | |
| Timing system | Chain-driven | |
| Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
| Dry weight | Approx. 165 kg |
The FSI system provides strong, linear power delivery but requires periodic intake valve cleaning due to carbon accumulation inherent in direct injection designs. Using high-quality fuel and adhering to the 15,000 km service interval helps maintain injector and turbo performance. The timing chain is generally robust but should be inspected if unusual noises arise. For optimal longevity, use only VW 502 00 or 504 00 specification oil.
Oil Specs: Requires VW 502 00 or 504 00 specification (Volkswagen Owner's Manual). LongLife service intervals depend on 504 00 oil.
Emissions: Euro 4 certification applies to all 2005–2008 BJM engines (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under DIN 70020 standards (Volkswagen Group PT‑2008).
Volkswagen Self-Study Programme (SSP): 324, 823
VCA Type Approval Database (VCA/EMS/5678)
Volkswagen ETKA Parts Catalogue
The Volkswagen BJM was used primarily in Volkswagen's B6/B7 Passat platforms with longitudinal mounting. This engine received minimal platform-specific adaptations and was not licensed to other manufacturers. All applications are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the front of the cylinder block, near the timing chain cover (Volkswagen SSP 823). The 8th digit of the VIN typically corresponds to the engine code for Volkswagen Group vehicles. Visually, the BJM can be identified by its plastic intake manifold and the "2.0 TFSI" badge on the engine cover. It is distinct from the later TSI engines which feature both direct and port injection.
The BJM's primary maintenance consideration is intake valve carbon buildup, inherent to its FSI design. While not a catastrophic failure, it can lead to performance issues if neglected. UK DVSA data shows this is a common cause for rough running complaints in high-mileage examples. Regular highway driving and periodic cleaning are recommended mitigation strategies.
Analysis derived from Volkswagen technical bulletins (2005-2010) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN BJM.
Comprehensive technical documentation and regulatory references
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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
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