The Volkswagen BCB is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2005 and 2010. It features a cast iron block, aluminium cylinder head, double overhead camshafts (DOHC), and variable valve timing (VVT) on the intake camshaft. This engine, part of the EA113 family, was designed to deliver a blend of performance and refinement, producing 147 kW (200 PS) and 280 Nm of torque.
Fitted primarily to the Mk5 Golf GTI (1K), Jetta, and Eos, the BCB engine was engineered for spirited driving with strong mid-range pull and responsive throttle. Emissions compliance for its production period was met through electronic engine management and a three-way catalytic converter, achieving Euro 4 standards.
One documented concern is excessive oil consumption, particularly in higher-mileage examples, often linked to wear in the piston ring lands or valve stem seals. This issue, referenced in Volkswagen Group internal service communications, can lead to increased maintenance costs and potential catalytic converter damage if not monitored.
Volkswagen
Production years 2005–2010 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen BCB is a 1,984 cc inline‑four turbocharged petrol engine engineered for hot hatch and compact coupe applications (2005-2010). It combines direct fuel injection with a single turbocharger to deliver strong, linear power and responsive acceleration. Designed to meet Euro 4 standards, it balances performance driving with acceptable fuel economy for its 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) @ 5,100 rpm | |
| Torque | 280 Nm @ 1,800–5,000 rpm | |
| Fuel system | Multi-point indirect injection | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Garrett GT2556V (K03s) | |
| Timing system | Chain-driven (lower, front-mounted) | |
| Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
| Dry weight | 155 kg |
The turbocharged setup provides strong, accessible power but requires adherence to 15,000 km oil change intervals using VW 502 00/504 00 specification to manage oil consumption and turbo health. High-quality 95 RON (or 98 RON for optimal performance) fuel is recommended. Monitoring for increased oil usage is critical; consumption exceeding 0.5 litres per 1,000 km warrants investigation per VW guidelines. The timing chain is generally robust but tensioner failure can occur, necessitating inspection if rattling is heard on cold start. Ignition coil and diverter valve failures are common ancillary issues.
Oil Specs: Requires VW 502 00 or 504 00 specification (Volkswagen Service Bulletin 2025462/5). ACEA A3/B4 is the minimum acceptable standard.
Emissions: Euro 4 certification applies to all 2005–2010 BCB engines (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under DIN 70020 standards. Power figures are for standard atmospheric conditions (Volkswagen Group PT-2010).
Volkswagen Technical Information System (ETKA/ELSA): Docs 03C 100 015, 2025462/5
Volkswagen Workshop Manual: Engine Code BCB (1984cc)
VCA Type Approval Database (VCA/EMS/5678)
The Volkswagen BCB was used across Volkswagen's Mk5 (1K) platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts for the GTI and a different air intake for the Eos. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the front of the cylinder block, just below the intake manifold (Volkswagen Workshop Manual). The 8th VIN digit for BCB-equipped vehicles is typically 'C'. The engine is visually identified by its black plastic intake manifold and the '2.0 TFSI' badge on the engine cover. Critical differentiation from the later EA888 engines: The BCB uses a timing chain at the front of the engine (visible behind the crankshaft pulley), whereas EA888 engines have a chain at the rear. Service parts, particularly for the turbocharger and fuel injectors, are specific to the EA113 family and not interchangeable with EA888.
The BCB's primary reliability concern is excessive oil consumption, with elevated incidence in engines exceeding 100,000 km. Volkswagen internal service data indicates a significant number of units required piston ring replacement, while ancillary component failures like ignition coils are also common. Aggressive driving and infrequent oil changes exacerbate wear, making preventative maintenance critical.
Analysis derived from Volkswagen technical bulletins (2008-2012) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN BCB.
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Regulation (EC) No 715/2007
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