Hartge Exhaust headers
10-28-2006, 05:50 PM
#21
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All bmws(1-7series) sold in Indonesia does not come with a catalytic convertor, as we do not have any emission standard and to compensate for our poor quality fuel. Thus, the DME unit has a different version compared to the other bmw sold worldwide. My 6er on the other hand is imported from the UK. Did a dyno test with my friend's local 6er, and he always tops the dyno chart 
. Losing the cats will definitely lead to better performance 
. Losing the cats will definitely lead to better performance
10-29-2006, 08:39 PM
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Originally Posted by gasterus' post='349795' date='Oct 28 2006, 08:50 PM
All bmws(1-7series) sold in Indonesia does not come with a catalytic convertor, as we do not have any emission standard and to compensate for our poor quality fuel. Thus, the DME unit has a different version compared to the other bmw sold worldwide. My 6er on the other hand is imported from the UK. Did a dyno test with my friend's local 6er, and he always tops the dyno chart . Losing the cats will definitely lead to better performance
. Losing the cats will definitely lead to better performance any leads?
10-30-2006, 07:29 AM
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10-31-2006, 06:01 AM
#24
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My Ride: 645Ci black/red, Eibach springs, K&N air filter, Wetterauer ECU upgrade, Eisenmann 83mmx4 exhaust, 20" Sportec wheels-Michelin PS2 tires, Hamann front add-on lip
Originally Posted by jet190rs' post='350153' date='Oct 30 2006, 12:39 AM
hmm, so I need an Indonesian ECU/DME to avoid CEL...
any leads?
any leads?
Hartge does not make the header for the RHD 
Have not received any answers from my bmw workshop, will keep you update
11-02-2006, 06:16 AM
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My Ride: 645Ci black/red, Eibach springs, K&N air filter, Wetterauer ECU upgrade, Eisenmann 83mmx4 exhaust, 20" Sportec wheels-Michelin PS2 tires, Hamann front add-on lip
Originally Posted by jet190rs' post='350153' date='Oct 30 2006, 12:39 AM
hmm, so I need an Indonesian ECU/DME to avoid CEL...
any leads?
any leads?
:thumbsdown:
11-02-2006, 09:02 AM
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Originally Posted by gasterus' post='351505' date='Nov 2 2006, 10:16 AM
Words out is that we can't bypassed that catalytics. The N62 engine comes with 2 pair of lambda sensors. One before and one after the cats. The sensor before the cat helps to monitor the air/fuel ratio of the exhaust gas from the engine, it helps the ECU to run the engine at its optimal air/fuel mixture. Plucking out this sensor will lead to erratic engine operation/check engine light will appear :thumbsdown: . The sensor after the cats is to monitor the exhaust gas, CO, CO2 level after being processed by the cat. Without the cats you exhaust gas will experience much higher CO, CO2 level, which will also trigger the check engine light. :thumbsdown:
:thumbsdown:
11-02-2006, 07:03 PM
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Originally Posted by jet190rs' post='351595' date='Nov 2 2006, 01:02 PM
Well, if CEL is on, will the car still be operational? (can i drive it?)
11-03-2006, 01:12 PM
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Originally Posted by gasterus' post='351785' date='Nov 2 2006, 11:03 PM
You can still drive the car with CEL on...but you engine will not run optimally, and most likely to make less power than before(goes into safe mode).
what does safe mode feel like?
11-03-2006, 11:53 PM
#29
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Originally Posted by jet190rs' post='352056' date='Nov 3 2006, 05:12 PM
do you know how much less power?
what does safe mode feel like?
what does safe mode feel like?
It its not worth risk I also receive a reply from Hamann stating that bypassing the catalytic will cause the engine to run too lean and you will lose too much back pressure resulting in much lower low end torque. It seemed that bypassing the cat will cause potential problem that is not worth risking.
11-04-2006, 12:51 PM
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Originally Posted by gasterus' post='352214' date='Nov 4 2006, 03:53 AM
Not sure how lmuch ess power will result It its not worth risk I also receive a reply from Hamann stating that bypassing the catalytic will cause the engine to run too lean and you will lose too much back pressure resulting in much lower low end torque. It seemed that bypassing the cat will cause potential problem that is not worth risking.
It its not worth risk I also receive a reply from Hamann stating that bypassing the catalytic will cause the engine to run too lean and you will lose too much back pressure resulting in much lower low end torque. It seemed that bypassing the cat will cause potential problem that is not worth risking.