Audi A4 B5 1.8L AWM Engine For Sale

Audi A4 B5 1.8L Turbocharged Petrol DOHC AWM Engine

Balance reliable Powerplant, Used efficient power engine For Sale.

The Audi A4 B5 1.8L AWM Engine is also a member of the Volkswagen Group’s of 1.8T 20-valve engine family, for its balance of reliability, smooth power delivery, and strong aftermarket support. 

Designed for everyday drivability with turbocharged performance, the AWM engine remains a popular choice for replacement engines, factory restorations, and furthermore mild performance upgrades.

This used Audi AWM engine for sale is ideal for drivers seeking dependable OEM performance at a competitive cost.

The AWM engine most notably fits the Audi A4 B5 (facelift) 1.8T models from 2001 to 2005, particularly in North American and select international markets. It is also in related Volkswagen platforms sharing similar longitudinal layouts. 

Compatible vehicles include the Audi A4 B5 1.8T, and with proper ECU, wiring, and accessory matching, it can be use for some Volkswagen Passat B5 1.8T applications. Engine code verification is essential to ensure correct compatibility.

Specifications, Common weaknesses and Maintenance.

From a technical standpoint, the AWM is a 1.8-liter inline-four petrol engine featuring a DOHC 20-valve aluminum cylinder head and a turbocharger paired with electronic fuel injection. It uses a drive-by-wire throttle system, coil-on-plug ignition, and a robust cast-iron engine block designed to handle boost reliably. 

Factory output is approximately 125 kW (170 hp) with 225 Nm of torque, offering responsive acceleration and strong mid-range performance. The engine operates on a timing belt system that also drives the water pump.

Like most early 1.8T engines, the AWM has common weaknesses that are well documented. These include oil sludge buildup if oil changes are neglected, ignition coil failures, vacuum and breather hose leaks, and timing belt wear at higher mileage. Turbocharger seals may also show wear over time. Regular servicing with high-quality synthetic oil, timely timing belt replacement, and inspection of the PCV system are key maintenance priorities.

Overall, the Audi A4 B5 1.8L AWM Engine offers excellent durability, smooth turbocharged power, and long-term serviceability. When properly maintained and installed, it delivers reliable performance and remains a smart investment for Audi A4 owners and enthusiasts.