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1996 BMW 740iL 4.4L MIL Lamp on
hi bmw techs!! we replaced both cats at 87k because bmw diag. said faulty cats. we purchased ab convertors from w/pac. after 200 miles mil reapppeared with codes 40 & 45 = cat ineffficency. we scanned o2 & saw both fore & aft sensors mirroring swing & no temp....
FIX posted 5/1/2003
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Related Documents & Media | VIN | WBAGJ8320T |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Not Applicable |
Trouble Codes
| 40 | convertor 1 bank 1 inefficiency |
| 45 | convertor 1 bank 2 inefficiency |
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Vehicle Data
1996 BMW 740iL
| VIN | WBAGJ8320T |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Not Applicable |
Trouble Codes
| 40 | convertor 1 bank 1 inefficiency |
| 45 | convertor 1 bank 2 inefficiency |
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