The Volkswagen CUUB 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 delivered 92 kW (125 PS) and 200 Nm of torque, offering responsive urban performance with strong low‑rpm drivability.
Fitted to models such as the Golf VII (Mk7), Passat B8, and Tiguan Mk2—including the 1.4 TSI 125 variants—the CUUB was engineered…
All production years (2012–2019) meet Euro 6 emissions standards .
The Volkswagen CUUB is a 1,395 cc inline‑four turbocharged petrol engine engineered for compact and mid‑size models (2012–2019). It combines direct fuel injection (TSI) with variable valve timing to deliver responsive low‑end torque and smooth high‑rpm power. Designed to meet Euro 6 standards, it balances performance with urban and motorway efficiency.
| 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) | |
Torque | 200 Nm @ 1,400–3,500 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 200 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with dual‑circuit layout | |
Turbocharger | Single turbo (Honeywell TD025) | |
Timing system | Chain (front‑mounted; early tensioner wear reported) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 112 kg |
The Volkswagen CUUB was used across Volkswagen's MQB platform with transverse mounting and shared with SEAT, Škoda, and Audi under the EA211 Gen 2 family. This engine received platform-specific adaptations—revised engine mounts in the Passat B8 and modified exhaust routing in the Tiguan Mk2—and from 2016 received updated timing components, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. 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 CUUB is generally robust when maintained properly. Early engines (2012–mid-2016) had timing tensioner concerns, but post-2016 revisions improved durability. Using correct VW-spec oil and adhering to service intervals greatly enhances longevity. Most issues arise from neglected maintenance rather than inherent design flaws.
Top issues include timing chain tensioner wear (pre-2016), intake valve carbon buildup due to direct injection, turbo actuator faults, and coolant flange leaks. These are documented in Volkswagen service bulletins and addressed with updated parts or cleaning procedures.
The CUUB powered the Golf VII (1.4 TSI 125), Passat B8, Tiguan Mk2, Škoda Octavia III, SEAT Leon Mk3, and Audi A3 8V—all from 2012–2019. It was part of the EA211 Gen 2 family and always produced 125 PS (92 kW).
Aftermarket ECU tuning is common on the CUUB platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
In a Golf VII 1.4 TSI 125, expect ~6.0 L/100km (city) and ~4.2 L/100km (highway), or ~52 mpg UK combined. Real-world mixed driving typically returns 48–55 mpg (UK), depending on conditions and maintenance status.
Yes. The CUUB is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic internal damage. Prompt attention to any timing-related noise or codes is essential.
Volkswagen specifies 5W‑30 or 5W‑40 synthetic oil meeting VW 502 00 or 504 00 standards. Always use a quality oil designed for turbocharged direct-injection engines and change it every 15,000 km or 12 months.
Comprehensive technical documentation and regulatory references
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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.
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