The BNS is a 4.2-litre petrol engine fitted to the Audi A4, A4 Avant, A4 Convertible and RS4. Replacement units are sourced through our vetted UK supplier network - compare used and reconditioned prices with warranty cover, or enter your registration for an exact quote.
The BNS is a 4.2-litre petrol engine fitted to the Audi A4, A4 Avant, A4 Convertible and RS4. Replacement units are sourced through our vetted UK supplier network - compare used and reconditioned prices with warranty cover, or enter your registration for an exact quote.
Key specifications for the Audi BNS engine, with typical used and reconditioned price guidance from our UK supplier network.
| Engine Size | 4.2 litre |
| Fuel | Petrol |
| Years produced | 2003 to 2017 |
| Typical quote price | £4,685 – £4,717 |
All prices are typical UK ranges based on supplier quotes. Final prices depend on availability, fitting and supplier.
The Audi BNS engine is a direct fit for the following models. Click a model to see its full engine range and pricing.
| Model | Years |
|---|---|
| Audi A4 | 2003 to 2017 |
| Audi A4 Avant | 2003 to 2017 |
| Audi A4 Convertible | 2003 to 2017 |
| Audi RS4 | 2003 to 2017 |
Looking for an Audi BNS engine? You are in the right place. Motor Fix Way is a free UK price-comparison service that connects you with vetted engine suppliers across the country, so you can compare used and reconditioned BNS engines and choose the best deal - with warranty cover and no upfront payment.
BNS is an engine code for a petrol Audi engine, fitted across the A4, A4 Avant, A4 Convertible and RS4.
Because the same code is shared across several models and model years, a good used or reconditioned BNS is usually a straightforward, like-for-like replacement. Enter your registration and our suppliers will confirm the exact fit and send you fixed-price quotes to compare.
Common questions about buying a replacement Audi BNS engine in the UK.
Browse the full Audi range to find pricing for your exact model.
Join thousands of UK drivers who found the best engine deal through Motor Fix Way. Free quotes, no obligation, results in minutes.
Get Free Quotes Now