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Catalytic Converter for Audi A4, Audi A6 – BM80445H
BM80445H — Homologated Diesel Cat - Image 2

BM80445H Diesel Cat for Audi A4, Audi A6

£104.99 ex VAT (£125.99 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

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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.

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Garages: open a Trade Account for trade prices.

Fits 3 vehicles (9 variants) — see the list or check yours before you buy.

Fitting kit included — no hidden extras (FK80445B)

Type Approved

2 years warranty

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

SKU: BM80445H Category: Manufactured by BM Catalysts

Fits these vehicles (3 vehicles, 9 variants)

  • Audi
  • A4 1.9 Diesel TDI (BKE; BRB engine; non-DPF models), 6/2004 to 6/2008, 4 Engine code BRB
  • A4 2.0 Diesel TDI (BLB; BPW; BRE engine; non-DPF models), 11/2004 to 6/2008, Euro 4 Engine code BRE
  • A4 2.0 Diesel TDI (BNA; BRF engine; non-DPF models), 11/2004 to 6/2008, Euro 4 Engine code BRF
  • A4 2.0 Diesel TDI Quattro (BPW engine; non-DPF models), 11/2004 to 6/2008, Euro 4 Engine code BPW
  • A4 2.0 Diesel TDI (BVF engine; non-DPF models), 11/2005 to 11/2006, Euro 4 Engine code BVF
  • A4 2.0 Diesel TDI (BVG engine; non-DPF models), 1/2006 to 9/2006, Euro 4 Engine code BVG
  • A6 2.0 Diesel TDI (BNA; BRF engine; non-DPF models), 7/2004 to 9/2008, Euro 4 Engine code BRF
  • A6 2.0 Diesel TDI (BLB; BRE engine; non-DPF models), 6/2005 to 9/2008, Euro 4 Engine code BRE
  • A6 2.0 Diesel TDI (BVG engine; non-DPF models), 9/2005 to 6/2006, Euro 4 Engine code BVG

Replacing a diesel catalytic converter? What causes a catalytic converter to fail, and what to fix first

Cross references

BM80445H 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
8E0254201DX90113025
Klarius
322437
Bosal
090-546
Walker
20928
EEC
AU6034T

Will this part fit my vehicle?

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Additional information

Weight 2.4 kg
Dimensions 410 mm