The Volkswagen AMX is a 3,189 cc, V6 petrol engine produced between 2002 and 2005. It features a dual overhead camshaft (DOHC) design with 24 valves and electronic fuel injection. This smooth and powerful unit, part of the VR6 family, delivered 162 kW (220 PS) and 300 Nm of torque, using a variable intake manifold to optimize power across the rev range.
Fitted to premium models such as the Passat (B5.5) and Phaeton, the AMX was engineered for refined performance and effortless…
Volkswagen
Production years 2002–2005 meet Euro 4 standards .
The Volkswagen AMX is a 3,189 cc VR6 petrol engineered for mid-size and luxury sedans (2002-2005). It combines a narrow-angle V6 layout with 24-valve DOHC architecture to deliver smooth, linear power and a distinctive exhaust note. Designed to meet Euro 4 emissions standards, it balances strong performance with acceptable fuel consumption for its class.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,189 cc | |
Fuel type | Petrol | |
Configuration | VR6, DOHC, 24-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 84.0 mm × 95.9 mm | |
Power output | 162 kW (220 PS) | |
Torque | 300 Nm @ 3,200 rpm | |
Fuel system | Bosch Motronic ME7.1.1 electronic fuel injection | |
Emissions standard | Euro 4 | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | None | |
Timing system | Toothed belt (drives camshafts) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 168 kg |
The Volkswagen AMX was used across Volkswagen's Passat B5.5 platform with transverse, front mounting. This engine received platform-specific adaptations-different engine mounts and accessory brackets for the Passat versus the Phaeton-creating minor parts differences. All adaptations are documented in OEM technical bulletins.
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The AMX's primary reliability risk is timing belt failure if not replaced at the 90,000 km interval, with elevated incidence in high-mileage or neglected engines. Volkswagen internal data indicates that belt failure almost invariably leads to bent valves. Infrequent oil changes and using incorrect oil viscosity increase hydraulic lifter noise and potential sludge buildup, making preventative maintenance critical.
Analysis derived from Volkswagen technical bulletins (2002-2005) and owner club technical archives (2002-2023). 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 AMX engine is generally very reliable and robust when properly maintained. Its main critical service item is the timing belt; failure is catastrophic. Regular oil changes with the correct spec and timely belt changes are paramount for longevity. Many well-cared-for examples exceed 250,000 km with minimal issues beyond standard wear items.
The most frequent issues are timing belt failure (if not serviced), ignition coil pack failures, Mass Air Flow (MAF) sensor contamination/failure, and secondary air injection pump failure. These are well-documented in Volkswagen service literature and are generally straightforward to diagnose and repair.
The AMX engine was primarily used in the Volkswagen Passat (B5.5) from 2002 to 2005 as the 3.2L V6 option. It was also used in the Volkswagen Phaeton luxury sedan during the same production period.
Aftermarket ECU tuning is common on the AMX 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.
Fuel economy is moderate for a 3.2L V6. Expect around 22-26 mpg (UK) (approx. 11-13 L/100km) in mixed driving for a Passat, depending heavily on driving style and vehicle condition. Highway cruising can yield better figures, while city driving will be higher consumption.
Yes. The AMX is an interference engine. If the timing belt fails or jumps, the pistons will collide with the open valves, causing severe internal engine damage. This makes adhering to the 90,000 km replacement interval absolutely critical.
Volkswagen specifies oil meeting VW 502 00 standard. A high-quality SAE 5W-40 synthetic oil meeting this spec is ideal. Using the correct oil is vital for protecting the hydraulic lifters and preventing sludge buildup in the narrow oil passages of the VR6 design.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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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