New Audi A3 Turbo – Ref. 757042-5018S

Diagnosing a turbo fault on your Audi A3 2.0 TDI before replacement

Before ordering a new turbo for your Audi A3, it is essential to confirm that the turbocharger itself is the faulty component and not a peripheral part. On the 2.0 TDI engines fitted to the A3, typical signs of turbo failure include a loss of power under acceleration, blue or black exhaust smoke, an unusual whistling noise when the engine revs rise, or an engine warning light accompanied by a fault code related to boost pressure. Before concluding that a full replacement is necessary, check for oil leaks at the hoses, inspect the condition of the intake hose, and ensure the air filter is clean.

Compatibility of the new turbo for the Audi A3 2.0 TDI

This new turbo is compatible with reference 757042-5018S and fits Audi A3 models equipped with the 2.0 TDI engine – a diesel unit of 1968 cm³ identified by engine codes BMN, BMR, BUY, BUZ, CBBB and CFGB. Before placing your order, please check the reference printed on the label of your old turbo, as several turbocharger variants may have been fitted depending on the vehicle's date of manufacture.

Equivalent references

• 03G253010A
• 03G253010AU
• 03G253010AV
• 03G253010AV100
• 03G253010AX
• 03G253014K
• 03G253014KV
• 03G253014KV100
• 03G253014KX
• 03G253019N
• 03G253019NV
• 03G253019NV395
• 03G253019NX
• 757042-5018S

Exchange basis and warranty on this Audi A3 turbo

This new turbo is sold on an exchange basis: return of the old turbo is required in accordance with our Terms and Conditions, and it is only collected after the new turbo has been delivered and fitted to your Audi A3, so your vehicle is not left off the road. The part carries a 12-month parts warranty, subject to fitting by a qualified professional. Payment can be spread over up to 10 instalments.

Fitting advice for your Audi A3 2.0 TDI turbo

On the A3's 2.0 TDI engines, the leading cause of premature turbo failure is inadequate lubrication – typically due to poor-quality engine oil that does not meet the manufacturer's specifications, or oil change intervals that have not been observed. Before fitting the new turbo, carefully inspect the oil circuit, the condition of the hoses, and the cleanliness of the air intake and intercooler, to prevent premature contamination. Driving too hard immediately after a cold start, or switching the engine off straight after sustained driving, also puts unnecessary strain on the turbocharger. When starting up, it is recommended to prime the new turbo with oil before the first engine start, to ensure the bearings are lubricated immediately.