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2002SportEvo 
Senior Member II
Joined: 30-June-2004
Location: Scotland
Status: Offline
Points: 247
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 Topic: E30 M3 Lambda Sensor
Posted: 09-September-2004 at 08:25 |
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Anyone know the approximate cost of a new lamdda sensor ?? I have just received my Alpha N kit and thought it might be a good idea to start out with a new sensor......
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Mr B
Groupie
Joined: 11-August-2004
Location: Stevenage
Status: Offline
Points: 52
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Posted: 09-September-2004 at 09:03 |
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Just purchased one at trade through a friend of a friend price £103. Stealers want £113 + VAT. This was for my 1990 e30 m3.
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dave 328
Really Senior Member II
Joined: 21-October-2003
Location: United Kingdom
Status: Offline
Points: 835
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Posted: 09-September-2004 at 09:33 |
You can buy universal sensors at half the price of an original from most factors - just need to wire the end up to your plug as they come with no plug. I have bought a uni one before and worked perfectly. It was a 4 wire type £52, I think 3 wire types are cheaper.
Depending on your alpha management parameters you can get wider band sensors for a more precise or adjustable settings, not sure on where from or prices.
Edited by dave 328
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328 Coupe Sport, Digital climate, full leather, OBD computer, De-restricted with M50 manifold, big bore throttle, chippeduk remap, custom cold cone intake and X-brace
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UweM3
Moderator Group
Joined: 11-February-2003
Location: United Kingdom
Status: Offline
Points: 5445
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Posted: 09-September-2004 at 10:08 |
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No wide band lambda for (I assume) MAXX Alpha-N.
a universal Sensor should work fine. GSF or EURO Carparts.
I am looking forward to your results.
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E61 520d, slow and buzzy but my wallet likes the mpg.....
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2002SportEvo
Senior Member II
Joined: 30-June-2004
Location: Scotland
Status: Offline
Points: 247
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Posted: 09-September-2004 at 10:40 |
 UweM3 wrote:
No wide band lambda for (I assume) MAXX Alpha-N.
a universal Sensor should work fine. GSF or EURO Carparts.
I am looking forward to your results. |
Uwe
I have bought a WBO2 from Techedge for tuning / monitoring. Martin recommends that I run on the 95 map with closed loop lambda (motronic) after I have set up the Maxx - not sure what condition my existing NB sensor is as I have run it open loop on the 98 map for a while - it was also disconnected at one point.
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215DMX
Really Senior Member II
Joined: 14-May-2003
Location: Croydon
Status: Offline
Points: 1780
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Posted: 09-September-2004 at 11:15 |
Got mine from
">here
BMW fitment £54
Uwe, the WB sensor is only £69 !
Edited by 215DMX
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UweM3
Moderator Group
Joined: 11-February-2003
Location: United Kingdom
Status: Offline
Points: 5445
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Posted: 09-September-2004 at 11:35 |
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Good page!
2002SportEvo which wideband sensor do you need?
6066 or 5057
You won't need a NB sensor. The TechEdge can supply a NB signal for the ECU.
Edited by UweM3
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E61 520d, slow and buzzy but my wallet likes the mpg.....
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petesm3
Groupie
Joined: 31-October-2002
Location: United Kingdom
Status: Offline
Points: 89
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Posted: 09-September-2004 at 17:08 |
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I have been running around for a few weeks with the WB 6066 from tech edge the the A-N maps are much closer to spot on and the fuel consuption has inproved, the car drive's much better than before.
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2002SportEvo
Senior Member II
Joined: 30-June-2004
Location: Scotland
Status: Offline
Points: 247
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Posted: 10-September-2004 at 03:22 |
I have the 6066 sensor from Techedge as well - not installed yet though.
Petesm3 - did you feed the NB signal to the motronic from the WB 6066 or are you still using motronic NB ?
Also, are you running the 95 map or 98 map ?
How much mapping have you done with the AN ? I have not installed it yet.......
What AFR are you running when WOT ?
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petesm3
Groupie
Joined: 31-October-2002
Location: United Kingdom
Status: Offline
Points: 89
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Posted: 10-September-2004 at 05:58 |
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I am running open loop, did not connect the signal to the motronic or the A-N the car runs well without it,
you need the aim for 12.6 WOT and 13.5 for the mid range thats the easy bit, I have spent a lot of time mapping the bottom end only wished I have 4 arms and eyes! would be alot easier, well may be just the 4 eyes, hard to find some to sit and map for me.
Edited by petesm3
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UweM3
Moderator Group
Joined: 11-February-2003
Location: United Kingdom
Status: Offline
Points: 5445
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Posted: 10-September-2004 at 06:19 |
13.5 for midrange is still on the rich side. Are you going to map some 14.7 somewhere (fuel economy?)
Are you coming to the M-Power meet Sunday 19th? I am keen to see your WBO in action. I have only seen it in Johns car, but that was lapping the Nuerburgring and there was not much time to keep an eye on it 
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E61 520d, slow and buzzy but my wallet likes the mpg.....
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2002SportEvo
Senior Member II
Joined: 30-June-2004
Location: Scotland
Status: Offline
Points: 247
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Posted: 10-September-2004 at 07:02 |
petesm3 wrote:
I am running open loop, did not connect the signal to the motronic or the A-N the car runs well without it,
you need the aim for 12.6 WOT and 13.5 for the mid range thats the easy bit, I have spent a lot of time mapping the bottom end only wished I have 4 arms and eyes! would be alot easier, well may be just the 4 eyes, hard to find some to sit and map for me. |
What abot the standard lambda sensor - are you running open loop with that ? Maxx recommended that I run the motronic sensor closed loop - 95 map.
What your thoughts on the Maxx AN ??
How did it run on the base map supplied ?
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UweM3
Moderator Group
Joined: 11-February-2003
Location: United Kingdom
Status: Offline
Points: 5445
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Posted: 10-September-2004 at 08:04 |
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on WOT the Lambda is in open loop anyway. Running closed loop is just a bit safer and accounts for different conditions. (and faults sometimes....)
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E61 520d, slow and buzzy but my wallet likes the mpg.....
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petesm3
Groupie
Joined: 31-October-2002
Location: United Kingdom
Status: Offline
Points: 89
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Posted: 10-September-2004 at 09:24 |
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Uwe, running 14.7-15.2 light throttle and 14.7 mid range light right foot, 13.5 mid- 3/4 throttle,I think you can use 14.7 at any speed with a light throttle,thats how I have mapped mine. "there is the meet"?
2002sportevo wrote
What abot the standard lambda sensor - are you running open loop with that ?
not running standard lambda.I ran with std lambda at first,you can get close,runs rich on the base maps, MAXX is excellent,great backup from john and martin. I am running a BBR chip so i don't know that the timing is,
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kevin
Bavarian-Board Contributor
Joined: 29-November-2002
Location: Camberley, Surrey
Status: Offline
Points: 3189
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Posted: 10-September-2004 at 10:15 |
petesm3 wrote:
"there is the meet"? |
Chelwood Gate on 19 Sept.
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Kevin
'04 E46 330Ci Convertible
'08 E61 535d Touring (TorqueMeister Towbarge)
’95 E34 M5
’89 E30 M3 (Cecotto)
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petesm3
Groupie
Joined: 31-October-2002
Location: United Kingdom
Status: Offline
Points: 89
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Posted: 10-September-2004 at 12:50 |
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Thanks
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adwo
Senior Member II
Joined: 07-November-2003
Location: Netherlands
Status: Offline
Points: 209
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Posted: 14-September-2004 at 04:33 |
Don't forget to disable lambda correction when tuning the car. First set it up correctly and then engage lambda control. Otherwise the Motronic will try to re-adjust after every adjustment you make with the software...
Be prepared to see some interesting differences on the TechEdge WBO2 display and the AFR displayed on the Maxx software. I have a 0.6 difference between the 2! I.e. running 14.7 on the TechEdge is 15.3 in the Maxx software on my laptop.
This is a known issue for the TechEdge stuff. I am running a 1.5 version. Still have to ask Peter (TE owner) about the big offset I have. There is a yahoogroup around for that...
Regards,
Adwo
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2002SportEvo
Senior Member II
Joined: 30-June-2004
Location: Scotland
Status: Offline
Points: 247
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Posted: 14-September-2004 at 04:59 |
Adwo
Which do you think is correct - the Maxx or the Techedge ?
When tuning, did you just disconnect the motronic lambda from the loom ?
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UweM3
Moderator Group
Joined: 11-February-2003
Location: United Kingdom
Status: Offline
Points: 5445
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Posted: 14-September-2004 at 05:02 |
2002SportEvo wrote:
Adwo
Which do you think is correct - the Maxx or the Techedge ?
When tuning, did you just disconnect the motronic lambda from the loom ? |
are you going to weld a second bung in for the WBO sensor?
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E61 520d, slow and buzzy but my wallet likes the mpg.....
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adwo
Senior Member II
Joined: 07-November-2003
Location: Netherlands
Status: Offline
Points: 209
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Posted: 14-September-2004 at 05:36 |
2002SportEvo wrote:
Adwo
Which do you think is correct - the Maxx or the Techedge ?
When tuning, did you just disconnect the motronic lambda from the loom ?
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According to Martin and John the value in the software is more accurate than on the display. Has something to do with the algorithm that is used to clean the signal or whatever... I tuned on the backroads at the Nürburgring with John and we used the value of the software.
Disconnecting the lambda from the loom will cause an error in the software as it doesn't get a signal anymore. You can use the blue and black connector on the motronic loom to enable/disable lambda control. Search the archives for how to...
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E30 M3 Lambda Sensor