The Volkswagen BLR is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2005 and 2010. It features direct fuel injection (FSI), a single turbocharger, and dual overhead camshafts (DOHC). In standard form, it delivered 147 kW (200 PS) and 280 Nm of torque, providing strong mid-range pull for responsive overtaking.
Fitted to models such as the Mk5 Golf GTI, Jetta, and Eos, the BLR was engineered for spirited driving and everyday usability. Emissions compliance was achieved through precise fuel metering and catalytic conversion, allowing it to meet Euro 4 standards across its production run.
One documented concern is carbon buildup on the intake valves, a characteristic of early FSI direct-injection systems without port injection. This issue, noted in Volkswagen Group Service Technical Bulletins, can lead to rough idling and reduced performance if not addressed through periodic cleaning.
Volkswagen
Production years 2005–2010 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen BLR is a 1,984 cc inline‑four turbocharged petrol engine engineered for performance hatchbacks and sedans (2005-2010). It combines gasoline direct injection (FSI) with a single turbocharger to deliver strong mid-range torque and responsive power delivery. Designed to meet Euro 4 standards, it balances sporty performance with acceptable fuel economy for its era.
| 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 rpm | |
| Fuel system | Gasoline Direct Injection (FSI) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbo (Garrett or BorgWarner) | |
| Timing system | Chain-driven | |
| Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
| Dry weight | Approx. 160 kg |
The FSI system delivers crisp throttle response but is prone to carbon buildup on intake valves due to the lack of fuel washing over them. This requires periodic walnut-blasting or chemical cleaning every 60,000–80,000 km to maintain optimal performance. Using high-quality fuel (RON 95 minimum, RON 98 recommended) helps mitigate deposit formation. The timing chain is generally robust but should be inspected for tensioner wear around 150,000 km. High-pressure fuel pump (HPFP) failure, while less common than on TDI engines, is a known potential failure point.
Oil Specs: Requires VW 502 00 or 504 00 specification oil (Volkswagen Owner's Manual). Longlife 504 00 allows for extended service intervals.
Emissions: Euro 4 certification applies to all production years (2005-2010) (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under DIN 70020 standards. Output figures are for standard tune; Stage 1 remaps can safely increase power (Volkswagen SSP 324).
Volkswagen Service Technical Literature: SSP 324, SSP 861
Volkswagen ETKA Parts Catalogue
VCA Type Approval Database (VCA/EMS/5678)
The Volkswagen BLR was used across Volkswagen's A5 (PQ35) platform with transverse mounting. This engine received platform-specific adaptations-standard ECU mapping for the Golf GTI and revised cooling for the Eos convertible. 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, near the transmission flange. The BLR code is distinct from the similar BWA (140kW) and CFBA (later TSI) codes. Visually, it features a plastic intake manifold and a centrally mounted high-pressure fuel pump driven off the camshaft. The ECU is typically a Bosch MED9.5.10. Service parts, particularly for the turbocharger and fuel system, are often shared with other 2.0T FSI variants but require verification of the specific engine code.
The BLR's primary long-term maintenance concern is intake valve carbon buildup, inherent to its FSI design. While not a catastrophic failure, it degrades performance and fuel economy. UK DVSA data shows this is a common cause for rough running complaints in high-mileage examples. Regular use of quality fuel and periodic cleaning are the main mitigation strategies.
Analysis derived from Volkswagen technical bulletins (2005-2015) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN BLR.
Comprehensive technical documentation and regulatory references
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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.
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