The Volkswagen CBZB is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2008 and 2015. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing, delivering 155 kW (211 PS) and 280 Nm of torque. Its turbocharged direct injection system enables strong low‑rpm torque for responsive everyday drivability.
Fitted to models such as the Mk5 and Mk6 Golf R, Scirocco R, and Audi S3 (8P), the CBZB was engineered for high p…
All production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen CBZB is a 1,984 cc inline‑four turbocharged petrol engineered for high‑performance hatchbacks and coupes (2008–2015). It combines direct fuel injection (TSI) with a single turbocharger to deliver strong low‑rpm torque and high‑rev responsiveness. Designed to meet Euro 5 emissions standards, it balances track‑capable output with daily usability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,984 cc | |
Fuel type | Petrol (EN 228) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 82.5 mm × 92.8 mm | |
Power output | 155 kW (211 PS) @ 6,000 rpm | |
Torque | 280 Nm @ 1,800–5,000 rpm | |
Fuel system | Bosch HDP5 high-pressure direct injection (up to 120 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 9.8:1 | |
Cooling system | Water‑cooled with dual‑circuit thermostat | |
Turbocharger | Single K04 turbo (Garrett) | |
Timing system | Chain (front‑mounted; durable design) | |
Oil type | VW 502 00 / 505 00 (SAE 5W‑40) | |
Dry weight | 149 kg |
The Volkswagen CBZB was used across Volkswagen's Mk5/Mk6 platforms with longitudinal mounting and shared with Audi for transverse applications in performance models. This engine received platform-specific adaptations-reinforced mounts in the Golf R and revised intercooler routing in the Scirocco R-and from 2011 the Audi S3 received HPFP updates, creating minor interchange limits. Partnerships enabled Audi's 2.0 TFSI to share core architecture. All adaptations are documented in OEM technical bulletins.
The CBZB's primary reliability risk is high-pressure fuel pump (HPFP) wear, with elevated incidence in vehicles using low-quality fuel or extended oil intervals. Volkswagen internal data from 2013 indicated a measurable increase in HPFP replacements before 80,000 km in non‑compliant maintenance cases, while UK DVSA records show no significant emissions-related MOT failures linked to this engine. Infrequent oil changes and sub‑98 RON fuel accelerate HPFP cam follower wear, making fuel quality and service adherence critical.
Analysis derived from Volkswagen technical bulletins (2010–2015) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The CBZB is generally robust when maintained properly. Early units (2008–2011) had HPFP concerns, but post-2011 revisions improved durability. Regular oil changes with VW 502 00/505 00 oil and use of 98 RON fuel greatly enhance longevity. Many examples exceed 200,000 km with no major issues.
Top issues include HPFP wear (especially pre-2011), intake valve carbon buildup due to direct injection, K04 turbo actuator faults, and PCV system leaks. These are documented in Volkswagen SIB 2012‑07 and TIS service notes.
The CBZB powered the Mk5 Golf R (2009–2013), Scirocco R (2009–2017), and Audi S3 (8P, 2008–2012). It was exclusive to high-performance TSI/TFSI variants and not used in standard GTI or TDI models.
Yes. The CBZB responds well to ECU remapping, with stage 1 tunes safely delivering 240–260 PS. Supporting mods like a downpipe, intercooler, and upgraded HPFP allow 300+ PS. The stock internals are strong but require quality fuel and cooling to handle increased stress.
Real-world consumption is ~9.5 L/100km (city) and ~6.2 L/100km (highway), or about 30 mpg UK combined. Aggressive driving reduces economy significantly; conservative use can achieve mid-30s mpg UK.
Yes. The CBZB is an interference engine. If the timing chain fails (rare but possible with severe oil neglect), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain is highly durable with proper maintenance.
Volkswagen specifies 5W‑40 synthetic oil meeting VW 502 00 (petrol) or 505 00 (diesel-compatible) standards. Always use this specification and change every 10,000–15,000 km to protect the turbo, HPFP, and timing system.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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