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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 10-21-2009, 04:40 AM   #1
sbonse
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Alpina air box

Im wondering can a alpina performance airbox be fitted onto a 330ci. If so do i need to change anything etc. what benefits will i get from doing this
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Old 10-21-2009, 03:45 PM   #2
Iceman00
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It's the stock box with a tube to draw older air from the bumper right? Should gain power, and I can't imagine it's hard to fit. I'd just get a CAI and be done with it...
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Old 10-21-2009, 04:16 PM   #3
Devious1
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where can you get that airbox?
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Old 10-21-2009, 04:21 PM   #4
firefirefire90
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hard to say; the Alpina engine has a completely different intake than the 330
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Old 10-23-2009, 01:00 AM   #5
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A good combo though would be the bottom part of the Alpina airbox with a Dinan Intake.
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Old 10-23-2009, 01:06 AM   #6
AlpineCI
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^ very clean mod list. i like

how much of a difference is the handling over stock? i mean the stock is pretty tight, but yours must be tight like a tiger
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Old 10-23-2009, 01:15 AM   #7
Bimmer Dude Xi
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Quote:
Originally Posted by Iceman00 View Post
It's the stock box with a tube to draw older air from the bumper right? Should gain power, and I can't imagine it's hard to fit. I'd just get a CAI and be done with it...
if that the case, isn't the Dinan air intake box just as the same?
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Old 10-23-2009, 03:28 AM   #8
SpeedDemon
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if that the case, isn't the Dinan air intake box just as the same?
The Dinan airbox just replaces the top part of the box.

Dinan normally asks you to cut a hole in both the bottom of the box and in the brake duct and then run tubing between the two. It's a crappy solution to the problem of getting cold air into the bottom of the air box.

The better solution is using the smooth tube like Alpina's box/tube that goes to the middle of the opening on the front bumper. Alpina's solution isn't just simpler, it also doesn't mess with airflow in the brake duct, it has smoother tube for better airflow, and it would be much easier to install.
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Old 10-23-2009, 03:56 PM   #9
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Originally Posted by SpeedDemon View Post
The Dinan airbox just replaces the top part of the box.

Dinan normally asks you to cut a hole in both the bottom of the box and in the brake duct and then run tubing between the two. It's a crappy solution to the problem of getting cold air into the bottom of the air box.

The better solution is using the smooth tube like Alpina's box/tube that goes to the middle of the opening on the front bumper. Alpina's solution isn't just simpler, it also doesn't mess with airflow in the brake duct, it has smoother tube for better airflow, and it would be much easier to install.


I know the whole installation procedure. I done it myself. I actually moved the tube from the brake duct to the bottom of the belly pan under the left fog light.
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