The Audi BEA is a 1,781 cc, inline-four petrol engine produced between 2000 and 2005. It features a DOHC valvetrain with five valves per cylinder and naturally aspirated design, delivering smooth power delivery and high-revving performance. In standard tuning, it produces 96 kW (131 PS) at 6,000 rpm and 173 Nm of torque at 4,500 rpm, primarily used in compact and mid-size Audi models.
Fitted to models such as the A3 (8L), A4 (B5), and TT (8N), the BEA engine was engineered for balanced driving dynamics, combining responsive throttle characteristics with everyday usability. Emissions compliance was achieved through a three-way catalytic converter and integrated engine management (Bosch Motronic ME7.5), allowing it to meet Euro 3 emissions standards across its production run.
One documented concern is premature wear of the timing belt tensioner, which can lead to belt slippage or breakage. This issue, referenced in Audi Service Bulletin 01 07 03, is often attributed to inadequate tensioner spring force under sustained high-temperature operation. Later production revisions included an updated tensioner design, and Audi recommends inspection or replacement every 90,000 km to prevent engine damage.
Production years 2000–2005 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).
The Audi BEA is a 1,781 cc inline-four petrol engine engineered for compact and mid-size applications (2000–2005). It combines five-valve DOHC architecture with Bosch Motronic ME7.5 engine management to deliver high-rpm responsiveness and smooth power delivery. Designed to meet Euro 3 standards, it balances performance with emissions compliance for urban and highway driving.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,781 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 20-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 81.0 mm × 86.4 mm | |
| Power output | 96 kW (131 PS) @ 6,000 rpm | |
| Torque | 173 Nm @ 4,500 rpm | |
| Fuel system | Multipoint fuel injection (Bosch Motronic ME7.5) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 10.3:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Timing belt (interval: 90,000 km) | |
| Oil type | VW 502 00 (SAE 5W-40) | |
| Dry weight | 132 kg |
The high-revving nature of the BEA provides strong top-end power ideal for spirited driving but demands strict adherence to 90,000 km timing belt service intervals to prevent catastrophic interference engine failure. VW 502 00 (5W-40) oil is essential for camshaft and valvetrain protection under sustained load. Regular inspection of ignition coils and spark plugs is advised due to aging-related misfires. The five-valve head design improves airflow but requires precise valve clearance checks during major services. Emissions compliance relies on a healthy catalytic converter and oxygen sensor function, which should be verified during routine diagnostics.
Oil Specs: Requires VW 502 00 (5W-40) specification (Audi SIB 01 07 03). Compatible with ACEA A3/B3 standards.
Emissions: Euro 3 certification applies to all BEA models (2000–2005) (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under DIN 70020 standards. Output remains consistent with standard fuel (RON 95).
Audi Technical Information System (TIS): Docs A18520, A19234, SIB 01 07 03
VCA Type Approval Database (VCA/EMS/5678)
DIN Standards: DIN 70020 Engine Power Measurement
The Audi BEA was used across Audi's 8L/B5/8N platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the A3 and revised cooling routing in the TT-and maintained consistent specification throughout its lifecycle, allowing broad interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front of the cylinder block, near the timing belt cover (Audi TIS A18520). The 8th VIN digit indicates engine type ('B' for 1.8L 20V). Pre-2002 models have silver valve covers with black coil packs; post-2002 units use black valve covers. Critical differentiation from turbo variants: BEA has no intercooler or boost pipes. Service parts require model-year verification—timing belt kits for A3 (8L) differ slightly from TT (8N) due to accessory drive layout (Audi SIB 01 07 03).
The BEA's primary reliability risk is timing belt failure on neglected engines, with elevated incidence in high-mileage units. Internal Audi field reports from 2004 indicated a significant number of interference engine failures due to missed service intervals, while UK DVSA records show timing-related claims were common in pre-2005 petrol Audis. Extended intervals and aftermarket belts increase risk, making adherence to 90,000 km service and OEM parts critical.
Analysis derived from Audi technical bulletins (2000-2006) and UK DVSA failure statistics (2005-2010). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about AUDI BEA.
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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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.
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