Non Turbo B90
Position |
Number Of Wires |
Bandwidth |
Part Number |
|
|
|
|
Upstream (manifold) |
5 |
Wideband |
A453 542 05 00 |
DownStream (catalytic convertor) |
4 |
Narrowband |
A453 542 06 00 |
Turbo B91
Position |
Number Of Wires |
Bandwidth |
Part Number |
|
|
|
|
Upstream (turbo) |
5 |
Wideband |
A453 542 05 00 or A0095426218 |
DownStream (catalytic convertor) |
4 |
Narrowband |
A453 542 06 00 or A0085423918 |
This data is scraped from smart so do your own research as smarts information seems confusing. I don’t understand why the turbo and non turbo engines share the same part numbers for the sensors but the turbo version also has a different number.