The Volkswagen BVZ is a 1,984 cc, inline‑four naturally aspirated petrol engine produced between 2005 and 2010. It features gasoline direct injection (FSI), dual overhead camshafts (DOHC), and variable valve timing on the intake cam. This engine was engineered for refined, linear power delivery in premium compact and mid-size applications.
Fitted primarily to the Passat B6 and CC, the BVZ offered a balance of smooth operation and respectable efficiency for its era. Emissions compliance was achieved through precise fuel metering and secondary air injection, meeting Euro 4 standards across its production run.
One documented service concern is high-pressure fuel pump (HPFP) failure, which can lead to sudden loss of power or no-start conditions. This issue, referenced in Volkswagen Technical Service Bulletin 2024062, is often attributed to premature cam follower wear that damages the pump actuator lobe.
Volkswagen
Production years 2005–2010 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/5680).
The Volkswagen BVZ is a 1,984 cc inline‑four naturally aspirated petrol engine engineered for mid-size sedans and coupes (2005-2010). It combines FSI direct injection with variable intake timing to deliver smooth, linear power and good fuel efficiency. Designed to meet Euro 4 standards, it prioritizes refinement and drivability over outright performance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,984 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 82.5 mm × 92.8 mm | |
| Power output | 110 kW (150 PS) | |
| Torque | 200 Nm @ 3,500 rpm | |
| Fuel system | Bosch FSI high-pressure direct injection | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
| Dry weight | Approx. 155 kg |
The naturally aspirated FSI design provides smooth, predictable power but requires strict adherence to oil change intervals (every 15,000 km or annually) to prevent sludge and HPFP issues. Using only VW 502 00/504 00 specification oil is critical for protecting the high-pressure fuel pump and its cam-driven actuator. The timing chain is generally robust but should be inspected for tensioner wear around 160,000 km. High-pressure fuel pump failure is a known risk; inspecting and replacing the cam follower per TSB 2024062 is a crucial preventative measure.
Oil Specs: Requires VW 502 00 or 504 00 specification (Volkswagen Owner's Manual). ACEA A3/B4 is the minimum equivalent standard.
Emissions: Euro 4 certification applies to all 2005-2010 BVZ engines (VCA Type Approval #VCA/EMS/5680).
Power Ratings: Measured under DIN 70020 standards. Output is consistent across model applications (Volkswagen Group PT-2010).
Volkswagen Technical Service Bulletins: TSB 2024062
Volkswagen ETKA Parts Catalogue
VCA Type Approval Database (VCA/EMS/5680)
The Volkswagen BVZ was used across Volkswagen's B6 (Typ 3C) platform with longitudinal mounting. This engine received no major platform-specific adaptations, ensuring broad compatibility within its production run. 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 Repair Manual). The engine code is also listed on the vehicle data sticker in the spare tire well or service book. Visually, the BVZ can be identified by its plastic intake manifold and the “2.0 FSI” badge on the engine cover. Critical differentiation from the turbocharged BWA/BTT engines: BVZ is naturally aspirated and lacks a turbocharger or intercooler piping.
The BVZ's primary reliability risk is high-pressure fuel pump failure, often preceded by cam follower wear. Volkswagen TSB 2024062 documents this as a prevalent issue, with failure typically occurring between 80,000–120,000 km. Aggressive driving and infrequent oil changes accelerate wear, making preventative inspection and replacement of the cam follower critical.
Analysis derived from Volkswagen technical bulletins (2005-2010) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN BVZ.
Comprehensive technical documentation and regulatory references
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VOLKSWAGEN 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)
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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
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VCA Certification Portal
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