Free Delivery to Most of the UK · Next Day on Orders Before 4pm
Catalytic Converter for Audi A4, Audi A6 and 1 more model – BM91074
BM91074 — Petrol Cat - Image 2

BM91074 Petrol Cat for Audi A4, Audi A6 and 1 more model

£145.83 ex VAT (£174.99 inc VAT)

In stock — order by 4pm for next working day delivery, free to most UK addresses.

… Ordered afternoon one day and delivered perfectly the next. Fitted perfectly. Excellent service.Everything perfect. Cat was advertised at a decent price, website works very well, Ordered afternoon one day and delivered perfectly the next. Fitted perfectly. Excellent service.

George H., CatHive customer · October 2026

See CatHive on Trustpilot (opens in a new tab)

Fitment guarantee: if a part we list for your vehicle doesn’t fit it, we collect it at our cost and send the right part or refund you in full.

14 days to change your mind: return the part unused, in its packaging.

PLEXPAD LTD trading as CatHive · Company number 14156842 · Registered office 124 City Road, London EC1V 2NX · 0207 870 3694

Getting it fitted

Any garage or exhaust centre can fit this part. Its fitting kit is included.

Share on WhatsApp

Garages: open a Trade Account for trade prices.

Fits 5 vehicles (9 variants) — see the list or check yours before you buy.

Fitting kit included — no hidden extras (FK91074B)

2 years warranty

Seen this part cheaper? Our Price Promise beats it by half the difference.

SKU: BM91074 Category: Manufactured by BM Catalysts

Fits these vehicles (5 vehicles, 9 variants)

  • Audi
  • A4 2.4 Petrol V6 Mk.1 (AMM; AML engs; with OBD; right hand), 6/2000 to 2/2001, 2 Engine codes AMM, AML
  • A4 2.8 Petrol V6 Mk.1 Manual (AMX engines; with OBD; right hand), 6/2000 to 2/2001, Euro 2 Engine code AMX
  • A6 2.4 Petrol V6 Auto (AML; ASM engs; OBD; right hand), 6/2000 to 2/2001, Euro 2 Engine codes AML, ASM
  • A6 2.4 Petrol V6 Manual (AML;AMM;ASM;BDV; OBD; right hand, 6/2000 to 2/2001, Euro 2
  • A6 2.4 Petrol V6 Quattro Auto (AML; ASM engs; OBD right hand), 6/2000 to 2/2001, Euro 2 Engine codes AML, ASM
  • A6 2.4 Petrol V6 Quattro Manual (AML;AMM;ASM;BDV;OBD; right hand, 6/2000 to 2/2001, Euro 2
  • A6 2.8 Petrol Mk.2 V6 Manual incl.Quattro (AMX; OBD; right hand), 2/1998 to 2/2001, Euro 2
  • Volkswagen
  • Passat 2.8 Petrol V6 incl.4x4 Auto (AMX;BBG engs; OBD; right hand), 10/2000 to 2/2001, Euro 2 Engine codes AMX, BBG
  • Passat 2.8 Petrol V6 incl.4x4 Manual(AMX; ATQ; BBG; OBD; right hand), 10/2000 to 2/2001, Euro 2

Engine management light with code P0420? What to check before replacing the catalytic converter

Cross references

BM91074 replaces these part numbers. Search any of them in the box at the top of the page to land here again.

OE (manufacturer) part numbers
4B0253012BX4B0253012DX4B0253012LV4B0253012LX4B0253012NX4B0254550NX4B0254550PX8D0131701EK8D0254550BX8D0254550X8E0253058LX
EEC
AU6039AU6041

Will this part fit my vehicle?

Enter your registration or choose your make, model and engine — we check BM91074 against the parts catalogued for that vehicle. If it isn't listed, we show you the ones that are.

or search manually

Additional information

Weight 4.6 kg
Dimensions 1210 mm