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      07-14-2019, 02:09 PM   #23
SkyJawa
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K&N might have been worth it in the 80s but totally pointless now.
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      07-15-2019, 01:36 PM   #24
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TBH if you're seeing any smoke I'd be taking it back and asking them to turn it down a bit.
If soot is getting past the DPF when you floor it then there's too much of the stuff all the time, but that is being caught. You're going to shorten the life of the DPF or at the very least be doing an awful lot of regens to clear it.
If they've done it right there should be no smoke as they have set the fuel / air ratio correctly and just optimised everything, smoke indicates they've just turned up the fuel too far.....
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      07-16-2019, 10:44 AM   #25
jdrally
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Seems most smoke when modified.

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      07-16-2019, 11:36 AM   #26
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Quote:
Originally Posted by TiredGeek View Post
TBH if you're seeing any smoke I'd be taking it back and asking them to turn it down a bit.
If soot is getting past the DPF when you floor it then there's too much of the stuff all the time, but that is being caught. You're going to shorten the life of the DPF or at the very least be doing an awful lot of regens to clear it.
If they've done it right there should be no smoke as they have set the fuel / air ratio correctly and just optimised everything, smoke indicates they've just turned up the fuel too far.....
Agree, .. there's no visible smoke from my 325bhp 330d, and it registered 0.00 on the MOT emissions test.
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      07-16-2019, 02:15 PM   #27
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Quote:
Originally Posted by jdrally View Post
Seems most smoke when modified.

Not one of those was an f series.
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      07-16-2019, 04:43 PM   #28
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Quote:
Originally Posted by 335de92chester View Post
I have a f32 435d msport, i have a stage one by superchips,
When its a hot day like 20 degres c and upwards and i give the car some pain, the big turbo will stop working, however when its below 15 degrees i can give it pain for 45 minutes with no issue at all???
No codes at all
Runs perfect, just big turbo stops working if you give it some hammer in the warm, obvious thing to say is dont give it hammer when its hot but we all do on a nice sunny day dont we.
I have changed fuel filter, put a k an n air filter on recently too and hasnt made a difference
If it is linked to the map, get it sorted. the car with two turbos is designed to have then both working.
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      07-17-2019, 07:16 AM   #29
DriveS
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No smoke on mine with an aggressive map. I remember when I was watching them set it up on the RR, checking to see if there was any smoke.
However the exhaust tips do blacken over time and need to be cleaned, so what ever there is is not visible.
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      07-19-2019, 05:35 AM   #30
Bmw435dchester
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Just an update to my power loss, seems to do it more in sport mode on a hot day, im getting these codes, used a different diagnostic,
Codes are
481b2b
244a00
258400
Havent a clue 🙈 anyone come across this issue, its usually if i hit more than 120 it does it too, we all do it even though its naughty 🙈
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