The Volkswagen CBDB is a 1,390 cc, inline‑four turbocharged petrol engine produced between 2012 and 2015. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing, delivering a balance of efficiency and responsiveness. Its compact displacement with turbocharging provides strong low — rpm torque for everyday drivability in smaller vehicle platforms.
Fitted primarily to the Mk7 Golf and related MQB — platform models like the…
Production years 2012–2015 meet Euro 5 standards .
The Volkswagen CBDB is a 1,390 cc inline‑four turbocharged petrol engineered for compact hatchbacks and sedans (2012-2015). It combines direct fuel injection (TSI) with variable valve timing to deliver responsive performance and efficient operation. Designed to meet Euro 5 standards, it balances everyday agility with fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,390 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 79.5 mm | |
Power output | 90 kW (122 PS) | |
Torque | 200 Nm @ 1,500–3,500 rpm | |
Fuel system | Direct Injection (TSI) | |
Emissions standard | Euro 5 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single turbocharger (IHI or BorgWarner) | |
Timing system | Chain-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | Approx. 105 kg |
The Volkswagen CBDB was used across Volkswagen Group's MQB platform with transverse mounting. This engine received platform-specific adaptations, including unique engine mounts and ancillary layouts for different model lines. 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 CBDB is generally robust with proper maintenance. Its main long-term concern is intake carbon buildup, common to direct-injection engines. Addressing this with periodic cleaning and using the correct oil (VW 502/504) helps ensure longevity. The timing chain is typically durable if oil changes are not neglected.
The most frequent issues are carbon buildup on intake valves, potential high-pressure fuel pump failure, PCV system faults causing oil leaks, and turbo wastegate rattle. These are well-documented in Volkswagen Group service information and owner reports.
The CBDB 1.4 TSI was primarily used in the Mk7 Golf (2012-2015). It was also fitted to the Audi A3 (8V), SEAT León III, and Škoda Octavia III from the same era, all sharing the MQB platform and badged as 1.4 TSI/TFSI with 122 PS output.
Aftermarket ECU tuning is common on the CBDB 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.
Official combined figures are around 5.2-5.6 L/100km (approx. 50-54 mpg UK) for the Golf Mk7. Real-world economy varies greatly with driving style, but 40-50 mpg UK is typical for mixed driving. Highway cruising can yield over 55 mpg UK.
Yes. Like virtually all modern engines, the CBDB is an interference design. If the timing chain were to fail or jump significantly, piston-to-valve contact would occur, causing severe internal engine damage. Regular oil changes are critical for chain life.
Volkswagen specifies oil meeting VW 502 00 or 504 00 standards, typically SAE 5W-30. Using 504 00 spec oil allows for extended LongLife service intervals. Never use oil that doesn't meet these VW specifications, as it can damage the engine.
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.
GOV.UK: Vehicle Approval
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VCA Certification Portal
Type-approval guidance and documentation.
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