MOT emissions test fail - bmw 318i - adam f
i have a 1996 bmw 318is coupe. went for MOT and it failed on emissions. took the car to a garage and they said it needed a LAMBDA sensor. had this fitted, took car for retest and it has failed again on emissions. what do i need to have changed now. your help is appreciated
MOT emissions test fail - spikeyhead {p}
Give us the emmissions figures and we may have a chance of helping you.

And do a forum search on Italian Tune up
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I read often, only post occasionally
MOT emissions test fail - adam f
sorry dont have them to hand.
MOT emissions test fail - Andrew Moorey (Tune-Up)
Treading a dangerous path here but given the lack of emission figures I am going to assume that the vehicle failed its test on the 'Lambda' calculation being out of spec. The workshop through ignorance have replaced the Oxygen sensor as it carries the misnomer of 'Lambda' sensor. Likely cause of high 'Lambda' on emissions sheet can be as simple as a leak in the exhaust pipe causing excess oxygen to be sampled by the MOT analyser. The station is required to give you a printout of the test results, post them up and we can help.
Andrew
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Simplicate and add lightness!!
MOT emissions test fail - Kevin Jolley

I have also failed emissions test in the stae of califorina and I am wondering where to start in terms of getting my car to pass. I have a 1995 BMW 318i 4door manuel.

My ASM Emissions Test Results:

| RPM | %CO2 | %02

Test | MEAS | MEAS | MEAS

M!:15 MPH .| 1958 | 15.1 . | 0.0

M2:25 MPH | 2154 . | 15.0 | 0.0

| HC (PPM) |

Max | AVE | MEAS

M!:15 MPH 85 . | 33 . | 51

M2:25 MPH 35 . | . 20 | 11

| . CO (%) . |

Max | AVE | MEAS

M!:15 MPH 0.34 | 0.08 | 0.25

M2:25 MPH . 0.33 . | 0.07 | . 0.11

| NO (PPM) . |

MAX | AVE | MEAS

M!:15 MPH 486 | 94 . | 566 . ---------------Fail

M2:25 MPH . 502 | 78 | 541 . -------------Fail

Any honest information would be great.

 

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