The Volkswagen BMT – Petrol is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2018. It features direct fuel injection, a single turbocharger, and dual overhead camshafts (DOHC). This engine was designed to balance efficiency with responsive performance, delivering peak outputs around 110 kW (150 PS) and 250 Nm of torque.
Fitted to models such as the Mk7 Golf, Jetta, and Beetle, the BMT – Petrol was engineered for drivers seeking brisk accele…
Volkswagen
Production years 2012–2015 typically meet Euro 5 standards; 2016–2018 models generally comply with Euro 6 .
The Volkswagen BMT – Petrol is a 1,395 cc inline‑four turbocharged petrol engine engineered for compact hatchbacks and sedans (2012-2018). It combines direct fuel injection with a single turbocharger to deliver responsive performance and good fuel efficiency. Designed to meet Euro 5 and Euro 6 standards, it balances everyday drivability with lower emissions.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 80.0 mm | |
Power output | 110 kW (150 PS) | |
Torque | 250 Nm @ 1,500–3,500 rpm | |
Fuel system | Direct Injection (TSI) | |
Emissions standard | Euro 5 (pre-2016); Euro 6 (2016-2018) | |
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. 120 kg |
The Volkswagen BMT – Petrol was used across Volkswagen's MQB platform with transverse mounting. This engine received platform-specific adaptations-including revised engine mounts for the Beetle-and from 2016 received updates for Euro 6 compliance, creating minor software and hardware revisions. 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 BMT – Petrol is generally robust with proper maintenance. Its main long-term consideration is intake valve carbon buildup, common to direct-injection engines. Using the correct VW-spec oil and premium fuel, along with periodic induction cleaning, helps ensure longevity. The timing chain is durable but should be monitored.
The most frequent issues are carbon buildup on intake valves, potential high-pressure fuel pump (HPFP) failure, ignition coil/spark plug wear, and PCV system problems leading to oil consumption. These are well-documented in Volkswagen service information.
This 1.4 TSI engine was used in the Mk7 Golf, Jetta (A7), Beetle (A5), and early Mk2 Tiguan (5N) from approximately 2012 to 2018. It was typically badged as the 1.4 TSI 150 PS variant across these models.
Aftermarket ECU tuning is common on the BMT 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 5.0-5.5 L/100km (approx. 51-56 mpg UK). Real-world consumption typically ranges from 6.0-7.5 L/100km (38-47 mpg UK) depending on driving style and conditions. Highway driving yields the best economy.
Yes. The BMT – Petrol is an interference engine. If the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing severe internal engine damage. Fortunately, the chain is very durable with proper oil maintenance.
Volkswagen mandates oil meeting VW 502 00 or 504 00 specifications, typically SAE 5W-30 or 5W-40. Using the correct oil is crucial for protecting the turbocharger, timing chain, and minimizing carbon deposits. LongLife service intervals are only valid with approved oil.
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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