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Catalytic Converter for Audi Q7, Porsche Cayenne and 1 more model – BM80509H
BM80509H — Homologated Diesel Cat - Image 2

BM80509H Diesel Cat for Audi Q7, Porsche Cayenne and 1 more model

£135.83 ex VAT (£162.99 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 (10 variants) — see the list or check yours before you buy.

Fitting kit included — no hidden extras (FK80509B)

Type Approved

2 years warranty

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

SKU: BM80509H Category: Manufactured by BM Catalysts

Fits these vehicles (3 vehicles, 10 variants)

  • Audi
  • Q7 3.0 Diesel TDi Quattro V6 (BUG engine; 1st cat; models), 3/2006 to 5/2008, 4 Engine code BUG
  • Q7 3.0 Diesel TDi Quattro V6 (BUN engine; 1st cat; DPF models), 3/2006 to 11/2007, Euro 4 Engine code BUN
  • Q7 3.0 Diesel TDi Quattro V6 (CASA; CCMA eng; 1st cat; DPF mod), 11/2007 to 6/2009, Euro 4 Engine code CCMA
  • Q7 3.0 Diesel TDi Quattro V6 (CASB engine; 1st cat; DPF models), 11/2007 to 5/2010, Euro 4 Engine code CASB
  • Porsche
  • Cayenne 3.0 Diesel D TIPTRONIC S (M059D engine; 1st cat; DPF models), 1/2009 to 2/2010, Euro 4 Engine code M059D
  • Volkswagen
  • Touareg 3.0 Diesel TDi V6 4WD (BKS engine; 1st cat; DPF models), 11/2004 to 11/2006, Euro 4 Engine code BKS
  • Touareg 3.0 Diesel TDi V6 4WD (BKS eng; 1st cat; DPF models), 12/2006 to 5/2008, Euro 4 Engine code BKS
  • Touareg 3.0 Diesel TDi V6 4WD (BUN engine; 1st cat; DPF models), 12/2006 to 11/2007, Euro 4 Engine code BUN
  • Touareg 3.0 Diesel TDi 4WD V6 (CASA; CASC eng; 1st cat; DPF models), 11/2007 to 5/2010, Euro 4 Engine code CASC
  • Touareg 3.0 Diesel TDi V6 4WD (CASB eng; 1st cat; DPF models), 11/2007 to 5/2010, Euro 4 Engine code CASB

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

Cross references

BM80509H 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
7L6254300RX7L6254301FX7L6254301NX7L8254300LX95511303700
Walker
28222
EEC
VK6114T

Will this part fit my vehicle?

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Additional information

Weight 4.7 kg
Dimensions 715 mm