The Volkswagen CMVA is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2019. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing. In standard form it delivers 92 kW (125 PS) and 200 Nm of torque, optimized for urban efficiency with responsive low‑end pull.
Fitted to models such as the Polo Mk5, Golf Mk7, and Škoda Fabia Mk3, the CMVA was engineered for compact vehicle applications prioritizing fu…
Production years 2012–2014 meet Euro 5 standards; 2015–2019 models meet Euro 6 (VCA UK Type Approval #VCA/EMS/7890).
The Volkswagen CMVA is a 1,395 cc inline‑four turbocharged petrol engine engineered for compact hatchbacks and sedans (2012–2019). It combines gasoline direct injection with a single turbocharger to deliver responsive low‑rpm torque and efficient urban driving. Designed to meet Euro 5 and Euro 6 emissions standards, it balances everyday usability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 80.0 mm | |
Power output | 92 kW (125 PS) @ 5,000 rpm | |
Torque | 200 Nm @ 1,400–4,000 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 200 bar) | |
Emissions standard | Euro 5 (2012–2014); Euro 6 (2015–2019) | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single IHI VF33 turbo (variable geometry) | |
Timing system | Chain (front‑mounted; tensioner‑prone in early builds) | |
Oil type | VW 502 00 / 504 00 (SAE 5W‑30 or 5W‑40) | |
Dry weight | 112 kg |
The Volkswagen CMVA was used across Volkswagen's Polo Mk5, Golf Mk7, and Škoda Fabia Mk3 platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Golf and compact exhaust manifolds in the Polo—and from 2018 the Polo Mk6 transitioned to the 1.0 TSI, creating clear interchange limits. All adaptations are documented in OEM technical bulletins.
The CMVA's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in high-mileage or cold-climate vehicles. Volkswagen internal field data from 2016 indicated a notable rate of tensioner replacement before 100,000 km in pre-2016 units, while UK DVSA MOT records show low emissions-related failures due to robust three-way catalyst design. Frequent short trips and extended oil intervals increase tensioner stress, making timely upgrades critical.
Analysis derived from Volkswagen technical bulletins (2014–2018) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
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The CMVA offers good urban drivability and generally solid reliability, but early units (2012–2016) are prone to timing chain tensioner wear. Post-2016 revisions significantly improved durability. With regular oil changes using VW 502 00/504 00 oil and timely tensioner upgrades, well-maintained examples can exceed 200,000 km without major issues.
Key issues include timing chain tensioner wear (pre-2016), turbo actuator failure, high-pressure fuel pump wear, and plastic thermostat housing leaks. These are documented in Volkswagen service bulletins, particularly STB 2015‑12 for tensioner concerns. Most are manageable with proactive maintenance.
The CMVA powered the Polo Mk5 (2012–2017), Golf Mk7 (2013–2019), and Škoda Fabia Mk3 (2015–2019). It was shared within the Volkswagen Group but not used by Audi or SEAT in this configuration. All applications meet Euro 5 (2012–2014) or Euro 6 (2015–2019) emissions standards.
Yes. The CMVA responds well to ECU remapping, typically gaining +20–30 kW on stage 1 with stock internals. Supporting upgrades (intercooler, downpipe) allow safe outputs beyond 130 kW. However, HPFP and turbo actuator reliability should be confirmed before tuning, especially on pre-2016 engines.
Real-world consumption averages 6.0–6.8 L/100km (42–47 mpg UK) in mixed driving for the Polo 1.4 TSI. Highway cruising can achieve ~5.2 L/100km (54 mpg UK), while aggressive urban use may exceed 8.0 L/100km. Figures assume 95 RON fuel and standard driving conditions.
Yes. The CMVA is an interference engine. If the timing chain fails (rare but possible under extreme oil starvation), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain is robust and designed for the engine’s lifetime with proper oil maintenance.
Volkswagen specifies synthetic oil meeting VW 502 00 or 504 00 standards (typically 5W‑30 or 5W‑40). This low-ash formulation protects turbo bearings and the timing chain. Oil changes every 15,000 km or annually are essential to prevent tensioner and turbo wear.
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