New Audi A3 Turbo – Ref. 785448-5005S

Signs of a failing turbo on your Audi A3 2.0 TDI 170

On the Audi A3 2.0 TDI 170, a turbo nearing the end of its life typically makes itself known through a gradual loss of power, an unusual whistling noise under acceleration, blue or black smoke from the exhaust, or an engine warning light accompanied by a fault code related to boost pressure. Some drivers also notice excessive oil consumption or a turbo that is slow to build boost. These warning signs should not be ignored before further damage is caused to other engine components.

A new turbo designed for the Audi A3 2.0 TDI

This new turbo is compatible with reference 785448-5005S and fits Audi A3 models equipped with the 2.0 TDI 170 engine — a 1968 cm³ diesel unit known under engine codes BMN, CFGB and CBBB. Before placing an order, we recommend checking the reference number on your old turbo or on the vehicle registration document to confirm exact compatibility with your vehicle.

Exchange basis and warranty for this new turbo

This new turbo is sold on an exchange basis: in accordance with our Terms and Conditions, return of the old turbo is required. It is only collected after the new turbo has been delivered and fitted, so your Audi A3 is never left off the road unnecessarily. This new turbo is covered by a 12-month parts warranty, subject to fitting being carried out by a qualified professional. Payment for your order can be spread over several instalments, in up to 10 instalments.

Fitting advice to protect your new turbo

On the 2.0 TDI, the majority of premature turbo failures stem from inadequate lubrication — poor-quality oil, missed oil changes, or a clogged oil filter. Before fitting, carefully inspect the oil circuit, the feed and return hoses, as well as the air intake and air filter, as any contamination or leak can quickly damage the new turbo. Also check the condition of the intercooler, as a cracked heat exchanger can cause harmful over-pressure. When starting up for the first time, prime the turbo with oil before starting the engine to ensure immediate lubrication of the bearings and prevent any dry running. Driving gently during the first few kilometres, with a gradual build-up of engine speed, will also help extend the life of the part.

This same turbo also fits

• New Audi TT Turbo – Ref. 785448-5005S
• New SEAT Altea Turbo – Ref. 785448-5005S
• New SEAT Leon Turbo – Ref. 785448-5005S
• New Skoda Octavia Turbo – Ref. 785448-5005S
• New Skoda Superb Turbo – Ref. 785448-5005S
• New Skoda Yeti Turbo – Ref. 785448-5005S
• New Volkswagen Golf Turbo – Ref. 785448-5005S
• New Volkswagen Passat Turbo – Ref. 785448-5005S
• New Volkswagen Sharan Turbo – Ref. 785448-5005S
• New Volkswagen Tiguan Turbo – Ref. 785448-5005S
• New Volkswagen Touran Turbo – Ref. 785448-5005S