Engine Code

VOLKSWAGEN BGJ engine (2008–2015) – Specs, Problems & Compatibility Database

The Volkswagen BGJ is a 1,984 cc, inline‑four turbo‑charged petrol engine produced between 2008 and 2015. It features a dual overhead camshaft (DOHC) design with variable valve timing (VVT) on the intake cam and direct fuel injection (FSI), delivering a balance of power and efficiency. Output is rated at 155 kW (211 PS) with torque peaking at 280 Nm.

Fitted to performance-oriented models such as the Mk6 Golf R and Scirocco R, the BGJ was engineered for high-performance driving. It offered strong acceleration and a sporty exhaust note, appealing to driving enthusiasts. Emissions compliance was achieved through precise fuel injection and catalytic conversion, meeting Euro 5 standards.

One documented concern is potential failure of the high-pressure fuel pump (HPFP), which can lead to sudden loss of power or non-start conditions. This issue, referenced in Volkswagen Group Service Technical Bulletin 2035712, is linked to internal component wear under sustained high pressure. Revised pump units and cam followers were introduced as countermeasures for affected production batches.

Volkswegon Engine
Compliance Note:

Production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/6791).

BGJ Technical Specifications

The Volkswagen BGJ is a 1,984 cc inline‑four turbo‑charged petrol engine engineered for hot hatches and performance coupes (2008-2015). It combines gasoline direct injection (FSI) with a single turbocharger to deliver responsive power and a broad torque curve. Designed to meet Euro 5 standards, it balances high performance with stringent emissions control.

ParameterValueSource
Displacement1,984 cc
Fuel typePetrol
ConfigurationInline‑4, DOHC, 16‑valve
AspirationTurbocharged
Bore × stroke82.5 mm × 92.8 mm
Power output155 kW (211 PS)
Torque280 Nm @ 1,800–5,000 rpm
Fuel systemBosch Motronic MED 9.5.10 FSI (Gasoline Direct Injection)
Emissions standardEuro 5
Compression ratio10.5:1
Cooling systemWater‑cooled
TurbochargerGarrett GT1446V or K03 (depending on variant)
Timing systemChain (front‑mounted)
Oil typeVW 502 00 / 504 00 (SAE 5W‑40)
Dry weight143 kg
Practical Implications

The turbocharged FSI system provides strong, linear power delivery but requires premium unleaded fuel (RON 98) for optimal performance and to prevent carbon buildup on intake valves. Strict adherence to 15,000 km oil change intervals with VW 504 00 specification oil is critical to protect the high-pressure fuel pump cam follower and timing chain. Carbon cleaning of the intake manifold is recommended every 60,000-80,000 km. The revised cam follower (part no. 06F 109 153 D) and HPFP should be installed preventatively per VW STB 2035712. Ignition coil packs are known to fail intermittently, especially on higher-mileage engines.

Data Verification Notes

Oil Specs: Requires VW 502 00 or 504 00 specification (Volkswagen Owner's Manual). 504 00 is preferred for extended drain intervals and better HPFP protection.

Emissions: Euro 5 certification applies to all 2008-2015 BGJ models (VCA Type Approval #VCA/EMS/6791).

Power Ratings: Measured under DIN 70020 standards. Peak output requires 98 RON fuel (Volkswagen TIS 20G6).

Primary Sources

Volkswagen Technical Information System (TIS): Docs 20G6, 20G7

Volkswagen Group Service Technical Bulletin (STB): 2035712

VCA Type Approval Database (VCA/EMS/6791)

BGJ Compatible Models

The Volkswagen BGJ was used across Volkswagen's A5/A6 platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts and a larger intercooler in the Golf R and specific ECU mapping for the Scirocco R-and from 2010 minor ECU updates were implemented for emissions compliance, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2010–2013
Models:
Golf Mk6 (5K)
Variants:
R (211 PS)
View Source
Volkswagen Group PT-2015
Make:
Volkswagen
Years:
2009–2014
Models:
Scirocco (13)
Variants:
R (211 PS)
View Source
Volkswagen TIS 20G7
Identification Guidance

Locate the engine code stamped on the flat machined surface at the front of the cylinder block, near the transmission flange (Volkswagen TIS 20G6). The 8th VIN digit for BGJ-equipped vehicles is typically 'G'. Visually, the engine features a black plastic intake manifold with "FSI" branding and a centrally mounted throttle body. Critical differentiation from the BFH engine: BGJ is used exclusively in R-models and features specific ECU mapping and potentially a larger intercooler. The high-pressure fuel pump is mounted on the intake camshaft and driven by a dedicated lobe.

Cam Follower & HPFP Upgrade

Issue:

The high-pressure fuel pump (HPFP) is driven by a cam follower on the intake camshaft, which is prone to premature wear, leading to HPFP failure.

Evidence:

Volkswagen STB 2035712

Recommendation:

Install the revised cam follower (Part No. 06F 109 153 D) and latest HPFP unit as a preventative measure, regardless of mileage, per VW STB 2035712.
Timing Chain Tensioner

Issue:

Some BGJ engines may use an older design timing chain tensioner that can fail, leading to chain slack and potential engine damage.

Evidence:

Volkswagen TIS 20G6

Recommendation:

Verify the tensioner part number during service. The updated tensioner (Part No. 06F 109 467 E) is recommended for replacement if the original is found.

Common Reliability Issues - VOLKSWAGEN BGJ

The BGJ's primary reliability risk is high-pressure fuel pump (HPFP) failure due to cam follower wear, with elevated incidence in vehicles using lower-grade fuel or extended oil change intervals. Internal Volkswagen data indicated a significant number of failures before 100,000 km, while owner forums consistently report ignition coil failures. Adherence to fuel and oil specifications is critical to mitigate these risks.

High-pressure fuel pump (HPFP) failure
Symptoms: Engine cranks but won't start, long cranking times, loss of power, illuminated check engine light with fuel pressure codes.
Cause: Premature wear of the cam follower that drives the HPFP, leading to insufficient fuel pressure. Aggravated by low-quality oil or fuel.
Fix: Replace HPFP and install the latest revised cam follower (P/N 06F 109 153 D) per service bulletin; inspect camshaft lobe for damage.
Ignition coil pack failure
Symptoms: Engine misfire (especially under load or damp conditions), rough idle, flashing check engine light, reduced power.
Cause: Internal breakdown of the coil windings or insulation, a common failure point on VW FSI engines, often heat-related.
Fix: Replace faulty ignition coil(s) with latest OEM-specified units; consider replacing all four as a set if one fails.
Intake manifold carbon buildup
Symptoms: Rough idle, hesitation during acceleration, decreased fuel economy, potential misfire codes.
Cause: Direct injection design allows oil vapors from the PCV system to accumulate on intake valves, restricting airflow.
Fix: Perform walnut-shell or chemical intake valve cleaning; maintain regular oil changes to minimize PCV system contamination.
Timing chain tensioner failure
Symptoms: Rattling noise from front of engine (especially on cold start), potential for timing jump and severe engine damage.
Cause: Wear or failure of the hydraulic timing chain tensioner, particularly on early production BGJ engines.
Fix: Replace tensioner with updated OEM part (P/N 06F 109 467 E); inspect chain and guides for wear during replacement.
Research Basis

Analysis derived from Volkswagen technical bulletins (2008-2015) and aggregated owner-reported failure data (2012-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about VOLKSWAGEN BGJ

Find answers to most commonly asked questions about VOLKSWAGEN BGJ.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

All specifications and compatibility data verified against officialVOLKSWAGEN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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