E60, E61 Parts, Accessories and Mods Discussion about both stock and aftermarket parts for the E60. Accessories and modifications too!

Does anyone have this exact intake setup?

Old Apr 17, 2009 | 10:23 AM
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Originally Posted by bavarianx' post='850434' date='Apr 17 2009, 11:04 AM
I dont see how there is so much interest made about the intake temp on the 535, you all realize that the intake flow is pushed thru a 200+degree turbo where its instantly heated, the only way to change the charged air temp is through use of an FMIC to cool it. Air temp before the turbo is irrelevant.

can we get your toughts regarding the injen intake that you sell please

http://forums.e60.net/index.php?showtopic=73817&hl=

and/or

http://forums.e60.net/index.php?showtopic=...&pid=829992




and +1 for the rpi scoop + filter (I am using a helene filter)
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Old Apr 17, 2009 | 02:34 PM
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Originally Posted by GENEaTALS' post='850446' date='Apr 17 2009, 02:23 PM
can we get your toughts regarding the injen intake that you sell please

http://forums.e60.net/index.php?showtopic=73817&hl=

and/or

http://forums.e60.net/index.php?showtopic=...&pid=829992




and +1 for the rpi scoop + filter (I am using a helene filter)
well, the dyno was done on a car with custom software, custom exhaust and running race gas???
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Old Apr 17, 2009 | 02:37 PM
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mmm my thread is alive again! More info!
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Old Apr 17, 2009 | 02:57 PM
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Originally Posted by bavarianx' post='850620
I dont see how there is so much interest made about the intake temp on the 535, you all realize that the intake flow is pushed thru a 200+degree turbo where its instantly heated, the only way to change the charged air temp is through use of an FMIC to cool it. Air temp before the turbo is irrelevant.

according to this statement, why even bother purchasing any intake set-up?
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Old Apr 17, 2009 | 03:13 PM
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Originally Posted by GENEaTALS' post='850636' date='Apr 17 2009, 03:57 PM
right, and the dyno used to promote the hp gains with the injen intake is on a stock 135i correct?


but there were still baseline dynos done with race gas, exhaust, and flash...followed by + injen intake...

so the mods with the 535i dyno + injen intake, that is what is causing the hp loss, not the injen intake alone?






according to this statement, why even bother purchasing any intake set-up?
InJen did separate dyno testing for each model developed 135, 335, 535, on 100% stock vehicles using standard fuel(no race gas) so the broad statement of the Injen Intake loses power on the 535 is not correct. Im not picking a fight with anyone but, the dyno test shown on the other thread was on a very not stock vehicle so the results will not be typical. Any car with custom software needs to be tuned to each individual mod i.e. Dinan stage 1,2,3. If the software was re-tuned for a change such as a different intake the results would differ as well. Again the intake was designed to be added to a stock vehicle.
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Old Apr 17, 2009 | 04:16 PM
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Race fuel gives a vehicle increased resistance to detonation. That tends to show a bigger benefits to hot air intakes, so with normal gas, the deficit would be even greater.

bavarianx makes an important point though: mods are usually situation specific.

Every piece of the car is a study in compromise. Sometimes the compromise is low end power (ie. some long tube headers), sometimes it's sound (open exhausts), sometimes it's cost (inconel headers). Sometimes, like with hot air intakes, it's depends on the environment it's used in. I'm sure if you lived in an area with very cold weather and do not drive around with a hood attached, it would show power. As bavarianx stated, this intake was designed for an otherwise stock vehicle. RPi has tested the scoops and have shown gains with stock vehicles, lightly modified vehicles, heavily modified vehicles, in the cold, in hot weather, in the rain, in confined high-particulate spaces, hood up, hood down, with stock software, with their software, with Dinan software, with AA software, with cold start, with a heatsoaked engine, with 91 octane, with race gas, etc.

The better each owner understands their own preferences, current mods, planned mods, as well as the costs/benefits/weaknesses of each mod they're looking at purchasing, the happier they'll be with their purchases.
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Old Apr 17, 2009 | 04:28 PM
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Originally Posted by NobleForums' post='850688' date='Apr 17 2009, 05:16 PM
Race fuel gives a vehicle increased resistance to detonation. That tends to show a bigger benefits to hot air intakes, so with normal gas, the deficit would be even greater.

bavarianx makes an important point though: mods are usually situation specific.

Every piece of the car is a study in compromise. Sometimes the compromise is low end power (ie. some long tube headers), sometimes it's sound (open exhausts), sometimes it's cost (inconel headers). Sometimes, like with hot air intakes, it's depends on the environment it's used in. I'm sure if you lived in an area with very cold weather and do not drive around with a hood attached, it would show power. As bavarianx stated, this intake was designed for an otherwise stock vehicle. RPi has tested the scoops and have shown gains with stock vehicles, lightly modified vehicles, heavily modified vehicles, in the cold, in hot weather, in the rain, in confined high-particulate spaces, hood up, hood down, with stock software, with their software, with Dinan software, with AA software, with cold start, with a heatsoaked engine, with 91 octane, with race gas, etc.

The better each owner understands their own preferences, current mods, planned mods, as well as the costs/benefits/weaknesses of each mod they're looking at purchasing, the happier they'll be with their purchases.

well stated
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Old Apr 17, 2009 | 04:56 PM
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Originally Posted by NobleForums' post='850688' date='Apr 17 2009, 05:16 PM
Race fuel gives a vehicle increased resistance to detonation. That tends to show a bigger benefits to hot air intakes, so with normal gas, the deficit would be even greater.

bavarianx makes an important point though: mods are usually situation specific.

Every piece of the car is a study in compromise. Sometimes the compromise is low end power (ie. some long tube headers), sometimes it's sound (open exhausts), sometimes it's cost (inconel headers). Sometimes, like with hot air intakes, it's depends on the environment it's used in. I'm sure if you lived in an area with very cold weather and do not drive around with a hood attached, it would show power. As bavarianx stated, this intake was designed for an otherwise stock vehicle. RPi has tested the scoops and have shown gains with stock vehicles, lightly modified vehicles, heavily modified vehicles, in the cold, in hot weather, in the rain, in confined high-particulate spaces, hood up, hood down, with stock software, with their software, with Dinan software, with AA software, with cold start, with a heatsoaked engine, with 91 octane, with race gas, etc.

The better each owner understands their own preferences, current mods, planned mods, as well as the costs/benefits/weaknesses of each mod they're looking at purchasing, the happier they'll be with their purchases.
I agree as well.
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Old Apr 28, 2009 | 10:31 AM
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Originally Posted by bavarianx' post='850434' date='Apr 17 2009, 11:04 AM
I dont see how there is so much interest made about the intake temp on the 535, you all realize that the intake flow is pushed thru a 200+degree turbo where its instantly heated, the only way to change the charged air temp is through use of an FMIC to cool it. Air temp before the turbo is irrelevant.
How is it irrelevant? The intercooler will have a certain thermal efficiency which is relevant to the inlet temperatures compared to ambient airflow.
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Old Apr 28, 2009 | 10:37 AM
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Originally Posted by bavarianx' post='850647' date='Apr 17 2009, 04:13 PM
InJen did separate dyno testing for each model developed 135, 335, 535, on 100% stock vehicles using standard fuel(no race gas) so the broad statement of the Injen Intake loses power on the 535 is not correct. Im not picking a fight with anyone but, the dyno test shown on the other thread was on a very not stock vehicle so the results will not be typical. Any car with custom software needs to be tuned to each individual mod i.e. Dinan stage 1,2,3. If the software was re-tuned for a change such as a different intake the results would differ as well. Again the intake was designed to be added to a stock vehicle.
The tune should not have anything to do with a hardware change that is supposed to make power or not. The purpose of the injen intake or what they lead people to believe is that their intake flows better and cooler than the stock intake. We know this is not the case. Regardless of the tune, you are limited to what the actual intake mod is doing..in this case, getting heat soaked. I love it when companies say "disconnect" or "reset" the ecu in order for a mod to work or show a gain on the dyno. Then again, when it doesnt, they will say "you need to drive it around so the ecu learns." You should never have to tune the ecu to "make" power from a simple bolt on like an intake kit. If its going to make power, it will make it without a tune. So did Injen want everyone to go back to stock before purchasing one of their intakes? The intake does not work. If it does work, I would love to have someone actually explain how it is supposed to make power. Its not getting cooler air than the stock intake so is the flow that much better?
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