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BMC Air Filter AUDI A4 III / A5 / / Q5 2.0

No more paper filter to change every 15,000 km: the BMC ref. 545/20 oiled cotton gauze filter washes and reuses indefinitely. Higher airflow than the original filter, fitted in minutes with no modification. Fits AUDI A4.
Brand BMC Filter
Reference 545/20
Rating:
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€79.92 (VAT incl.)
€88.80 -10%
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Available from the manufacturer 14 in stock at factory
  1. Order today
  2. Preparation at the manufacturer
  3. Delivery Thu 15 Oct
Estimated delivery on 15/10/2026
This lead time is an estimate and may change due to circumstances beyond our control
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BMC Air Filter: Ref. 545/20

The original paper filter is convenient as a first fit, but once you've tried a washable cotton filter, it's hard to go back. The BMC ref. 545/20, made from multi-ply oiled cotton gauze, lets through more air than paper while trapping particles effectively. Result: better throttle response, an engine that breathes better, and no more disposable filters to buy.

Key Features

  • Washable and reusable: unlimited service life with regular maintenance
  • Higher airflow than the original paper filter
  • Direct fit: no modification, plug-and-play replacement
  • Efficient filtration: multi-ply oiled cotton gauze
  • Warranty: 2 years

Filter Maintenance

Recommended cleaning every 15,000 to 20,000 km with the BMC maintenance kit (cleaner + re-oiling oil, sold separately). After washing, let air dry, then re-oil before reinstalling.

Technical Specifications

  • BMC Reference: 545/20

Vehicle Compatibility

ModelEngine / Power / Years
AUDI
A4 (8K,B8)1.8 TFSI (120 hp, Year 08 to 15). Engine code: CABA,CDHA
1.8 TFSI (160 hp, Year 07 to 12). Engine code: CABB,CDHB
1.8 TFSI (170 hp, Year 12 to 15). Engine code: CJEB
2.0 TDI (120 hp, Year 07 to 15). Engine code: CAGC,CJCC
2.0 TDI (136 hp, Year 08 to 15). Engine code: CAGB,CJCB
2.0 TDI (143 hp, Year 07 to 13). Engine code: CAGA,CAGB,CJCA,CMFA
2.0 TDI (150 hp, Year 13 to 15). Engine code: CJCD,CMFB
2.0 TDI (163 hp, Year 11 to 15). Engine code: CGLD,CAHB
2.0 TDI (170 hp, Year 08 to 12). Engine code: CAHA
2.0 TDI (177 hp, Year 12 to 15). Engine code: CGLC
2.0 TFSI (180 hp, Year 08 to 15). Engine code: CAEA,CDNB,CFKA
2.0 TFSI (211 hp, Year 08 to 13). Engine code: CAEB,CDNC,CPMA
2.0 TFSI (220 hp, Year 13 to 15). Engine code: CAED,CPMB
2.0 TFSI (224 hp, Year 13 to 15). Engine code: CNCD
A5 + Cabriolet (8T,8F)1.8 TFSI (144 hp, Year 14 to 16). Engine code: CJED
1.8 TFSI (160 hp, Year 09 to 11). Engine code: CDHB
1.8 TFSI (170 hp, Year 07 to 15). Engine code: CABD,CJEB
1.8 TFSI (177 hp, Year 15 to 16). Engine code: CJEE
2.0 TDI (136 hp, Year 13 to 16). Engine code: CAGB,CJCB
2.0 TDI (143 hp, Year 09 to 13). Engine code: CAGA,CJCA
2.0 TDI (150 hp, Year 13 to 15). Engine code: CJCD,CMFB
2.0 TDI (163 hp, Year 14 to 16). Engine code: CAHB,CGLD
2.0 TDI (170 hp, Year 08 to 11). Engine code: CAHA
2.0 TDI (177 hp, Year 11 to 14). Engine code: CGLC
2.0 TFSI (180 hp, Year 08 to 11). Engine code: CAEA,CDNB
2.0 TFSI (211 hp, Year 08 to 13). Engine code: CDNC,CAEB
2.0 TFSI (220 hp, Year 13 to 15). Engine code: CAED,CPMB
2.0 TFSI (225 hp, Year 13 to 15). Engine code: CNCD
2.0 TFSI (230 hp, Year 15 to 16). Engine code: CNCE
Q5 (8R)2.0 TDI (136 hp, Year 09 to 17). Engine code: CAGB,CJCB
2.0 TDI (143 hp, Year 09 to 13). Engine code: CAGA,CJCA
2.0 TDI (150 hp, Year 13 to 17). Engine code: CJCD
2.0 TDI (163 hp, Year 14 to 17). Engine code: CAHB,CGLA,CGLD
2.0 TDI (170 hp, Year 08 to 12). Engine code: CAHA,CGLB,CMGA
2.0 TDI (177 hp, Year 12 to 14). Engine code: CGLC,CMGB
2.0 TFSI (230 hp, Year 15 to 17). Engine code: CNCE
2.0 TFSI Hybrid (211 hp, Year 08 to 12). Engine code: CDNC,CHJA
2.0 TFSI (180 hp, Year 09 to 17). Engine code: CDNA,CNCB
2.0 TFSI (220 hp, Year 13 to 15). Engine code: CPMB
2.0 TFSI (225 hp, Year 12 to 15). Engine code: CNCD
Materials Oiled Cotton
Product family Engine
Engine Air Filters

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