The Volkswagen BAR is a 1,390 cc, inline‑four turbocharged petrol engine produced between 2008 and 2014. It features a dual overhead camshaft (DOHC), four valves per cylinder, and a single turbocharger, delivering a responsive and efficient power profile for its class. Peak output is rated at 90 kW (122 PS) and 200 Nm of torque, providing sprightly performance in lightweight applications.
Fitted primarily to the Polo Mk5 and Ibiza Mk4, the BAR was engineered for urban agility and fuel-efficient commuting. Emissions compliance for its production run was met through precise direct fuel injection and electronic engine management, conforming to Euro 5 standards across its entire lifespan.
One documented concern is premature high-pressure fuel pump (HPFP) failure, which can lead to rough running or no-start conditions. This issue, referenced in Volkswagen Group Service Technical Bulletin 2012‑11, is often linked to fuel quality and lubrication characteristics. The BAR was superseded by the more advanced EA211 series engines featuring improved fuel system durability.
Volkswagen
Production years 2008–2014 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/8765).
The Volkswagen BAR is a 1,390 cc inline‑four turbocharged petrol engineered for supermini applications (2008-2014). It combines direct fuel injection with a single turbocharger to deliver responsive low-end torque and frugal fuel consumption. Designed to meet Euro 5 standards, it prioritizes urban drivability and emissions compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,390 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 76.5 mm × 75.6 mm | |
| Power output | 90 kW (122 PS) | |
| Torque | 200 Nm @ 1,500–3,500 rpm | |
| Fuel system | Bosch Motronic MED17.5, direct injection (TSI) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbo (IHI VF33) | |
| Timing system | Chain‑driven camshafts | |
| Oil type | VW 504 00 / 507 00 (SAE 5W‑30) | |
| Dry weight | 109 kg |
The IHI VF33 turbo provides immediate throttle response ideal for city driving but is sensitive to oil quality. Strict adherence to 10,000-15,000 km oil change intervals using VW 504 00/507 00 specification oil is critical to protect the turbo and timing chain. The direct injection system is prone to intake valve carbon buildup; periodic cleaning is recommended. HPFP failure, per SIB 2012-11, can be mitigated by using high-quality premium fuel (RON 95 minimum, RON 98 recommended). Timing chain is designed for life but tensioner wear should be monitored.
Oil Specs: Requires VW 504 00 / 507 00 (5W-30) specification for turbo and chain protection (Volkswagen Service Manual).
Emissions: Euro 5 certification applies to all BAR production years (2008-2014) (VCA Type Approval #VCA/EMS/8765).
Power Ratings: Measured under DIN 70020 standards. Output is consistent across model range (Volkswagen Group PT-2010).
Volkswagen Technical Information System (TIS): Service Manual 1.4 TSI BAR
Volkswagen ETKA Parts Catalogue: Docs 03C 100 001, 03C 145 701
Volkswagen Group Service Technical Bulletin: 2012-11
VCA Type Approval Database (VCA/EMS/8765)
The Volkswagen BAR was used across Volkswagen's A0 platform with transverse mounting. This engine received platform-specific adaptations-minor ECU mapping for the SEAT Ibiza-but no major facelift revisions occurred during its production, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat machined surface at the rear of the engine block, near the transmission flange (Volkswagen TIS). The 8th VIN digit for BAR-equipped vehicles is typically 'B'. The BAR is visually identified by its DOHC 16-valve head, the Bosch MED17.5 ECU, and the IHI VF33 turbocharger mounted at the front of the engine. Critical differentiation from the later CJZA: The BAR uses a different HPFP (03C 127 025 D) and has a slightly lower power output. Intake manifolds and turbochargers are generally interchangeable with other 1.4 TSI engines of the era, but the HPFP is specific to the BAR and early CJZA variants (per SIB 2012-11).
The BAR's primary reliability risk is high-pressure fuel pump (HPFP) failure, with elevated incidence in high-mileage or poorly maintained examples. Volkswagen internal data indicates this is a common wear item after 80,000 km, while UK DVSA records show a correlation with use of low-quality fuel. Extended use of substandard fuel increases the risk of pump seizure, making fuel quality and maintenance critical.
Analysis derived from Volkswagen technical bulletins (2008-2014) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN BAR.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with VOLKSWAGEN or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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
Type-approval guidance and documentation.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialVOLKSWAGEN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
