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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 11-20-2012, 08:28 PM   #1
SoloII///M
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Long tube intake.

Homemade. 3.5" diameter, 16 gauge aluminum pipe with a 9" long, 5" base diameter K&N down in the bumper. Sorry for the crappy pictures.
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Old 11-21-2012, 06:34 AM   #2
Iceman00
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Nice! how does it feel?
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Old 11-21-2012, 08:57 AM   #3
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Haven't driven it yet. It lives on a trailer (hence the crappy pictures) and doesn't have tags so I can't really take it on the street.

Once I get the Megasquirt up and running I'll be scheduling some dyno time and testing this versus the previous Conforti short-ram intake and some other toys.

I should note that the 3.5" tube barely fits past the headlights and the filter is so big it requires modifying some of the plastic bits in the front of the car.
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Old 11-21-2012, 12:05 PM   #4
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Yep pretty much in the exact same spot as mine. Mine being a 3.0 inch the tubing sat fine, but once I added a flow stack and the larger filter it needs its jammed in there pretty good and parts of the fender liner had to move a bit.
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Old 11-21-2012, 05:50 PM   #5
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Right, the real challenge was finding a way to fit the 3.5" pipe and the enormous filter. It would certainly not work on a car with xenons.
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Old 11-21-2012, 06:31 PM   #6
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Quote:
Originally Posted by SoloII///M View Post
Right, the real challenge was finding a way to fit the 3.5" pipe and the enormous filter. It would certainly not work on a car with xenons.
You can get a bracket that relocates, it will fit. The bracket comes with the original Dinan kit.
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Old 11-21-2012, 08:21 PM   #7
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The Dinan used a 3" tube if I recall correctly. I had that intake on my E36 M3.
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Old 11-23-2012, 07:52 PM   #8
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My car has xenons. My left side ballast is zip tied to my the bracket for my air intake tube.
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Old 12-06-2012, 09:32 PM   #9
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I've got the dinan kit, it's 3.5" for the E46, but I haven't actually installed it, just recently got the xenons out.
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Old 12-07-2012, 08:44 AM   #10
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The Dinan looks a lot nicer than mine. But mine was a lot cheaper. When you go SP you stop caring about how your car looks :p
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Old 12-15-2012, 05:40 PM   #11
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SoloII///M--where did you purchase the bent tube?

jared_wiesner--where did you purchase your flow stack?

Thanks.
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Old 12-15-2012, 10:40 PM   #12
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jared_wiesner--where did you purchase your flow stack?

Thanks.
bpi
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Old 12-15-2012, 11:17 PM   #13
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Motons

Nice intake too you should wrap it in reflective tape if it is your race car. Looks ugly, but it is functional.
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Old 12-15-2012, 11:49 PM   #14
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I had my there also but when it rain it suck In water it was making my maf to mess up... I hope you don't experience the same thing as i did .
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Old 12-16-2012, 09:34 PM   #15
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You need to rotate your MAF back to the upright position. Can cause reading errors if installed like that for too long.
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Old 12-17-2012, 01:27 AM   #16
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My MAF is toast, probably due to my crappy filter picking up grime.
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Old 12-17-2012, 08:38 AM   #17
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Okay, I'll respond in order.

Tube: I bought it off eBay. It's a 3.5" diameter aluminum 16-gauge tube bent at a 60 degree angle. I just did a search for aluminum tube and it came up.

Heat tape: Yeah, I plan to wrap it in gold tape. Haven't done it yet. And yeah, Motons rule. This car has 700F/850R springs and with the Motons it rides nicer than my ZHP on stock springs and FSDs.

Water ingestion: If this car were street driven I'd worry about it, but it isn't, so I don't. Valid point, though.

Rotated MAF: I have heard that's the case, and until you pointed it out I didn't even notice that it wasn't oriented correctly. That's sad, because I have a mostly-stock '03 ZHP street car and the MAF is oriented differently but I never noticed it. It's just how it was when I bought the car. I'll fix it when I put it on the trailer this week to go get the aero stuff built.
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Old 12-18-2012, 12:54 AM   #18
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I will say that I rotated the MAF when I first dyno'd my intake, virtually no difference in power.
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Old 12-18-2012, 07:13 AM   #19
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You weren't running the oversized zhp lip on the trunk before?
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Old 12-18-2012, 08:45 AM   #20
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No aero.
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