What material is the intake manifold made of?

ksfrogman · 04-28-2006, 08:57 AM

I was looking at the intake runners this morning. When you tap on them, they practically look like they're made out of plastic, not cast aluminum.

whitecord · 05-15-2006, 07:16 PM

because it is plastic....

NaTuReB0Y · 05-15-2006, 07:21 PM

synthetic plastic

ksfrogman · 05-15-2006, 07:37 PM

Quote:

Originally Posted by whitecord

because it is plastic....

You sure about this? I'm asking because you don't have a BMW.

ward · 05-15-2006, 08:36 PM

they've been plastic for over 10 years now

whitecord · 05-15-2006, 09:17 PM

trust me i have had that complete engine torn down the a bare block

ALPINE6SPD · 05-18-2006, 08:36 PM

leatherette

ksfrogman · 05-18-2006, 08:40 PM

Quote:

Originally Posted by whitecord

trust me i have had that complete engine torn down the a bare block

whitecord, do you know if the ports are extrude-honed from the factory?

ward · 05-18-2006, 11:02 PM

Quote:

Originally Posted by ALPINE6SPD

leatherette

you're killing me alpine!!

stimpee · 07-02-2006, 02:05 PM

Quote:

Originally Posted by whitecord

trust me i have had that complete engine torn down the a bare block

Any suggestions on where I can try to get hold of an engine from a 330 or 325 with intake manifold and accessories?

I need one for a "special" project

Steve

RichP · 07-03-2006, 12:13 PM

Stimpee,
That ECU is NOT going to take friendly to what you have planned, LOL.

The manifolds are probably not extude honed, they are molded smooth in 2 pieces then either chemically or ultrasonically welded together. There is no more "smoothing" that can take place.

They are plastic because it transfers less heat into the intact tract than aluminum. Also cheaper and lighter.

ksfrogman · 07-03-2006, 12:25 PM

I'd like to see one of those N52s bored and stroked to 3.2 liters for a 332i.

larryn · 07-03-2006, 06:53 PM

Quote:

Originally Posted by ksfrogman

I'd like to see one of those N52s bored and stroked to 3.2 liters for a 332i.

Hamann does this right now.

Quote:

Originally Posted by hamann site

HAMANN INCREASED-DISPLACEMENT ENGINE HM 3.2
for Basics 330i
Displacement increase to 3165 ccm
Power increase to 306 hp / 225 kW
to 6700 rpm
Max. torque 347 Nm at 2900 rpm
V/max approx. 279 km/h
Results may vary depending on basis engine,
vehicle equipment, transmission, gear and final
drive ratios, wheel/tire combination, etc.
To get the top power, you need to use the fuel
Super Plus 98 ROZ.

More info can be found here.

I remember another european tuner doing that as well. I just can't place the company.

Btw.. Great sig!

Raley · 07-04-2006, 02:30 AM

I think breyton is the other company that does the 3.2 conversion

stimpee · 07-05-2006, 02:24 PM

Quote:

Originally Posted by RichP

Stimpee,
That ECU is NOT going to take friendly to what you have planned, LOL.

What could you possibly mean?!?!?!?!

Boorda · 11-20-2018, 04:11 PM

I am very aware of how old this post is, but since it was never specified exactly what kind of plastic BMW uses I thought I would share this good read....

From the link below.....

Quote:

Mahle and BMW Specify Air Duct of DuPont™ Hytrel® Polyester Elastomer to Reduce Weight and Cost
Stiff yet elastic DuPont™ Hytrel® HTR4275 is being used in a new two-component air duct from system supplier Mahle of Stuttgart, Germany, that connects the intercooler and throttle body of BMW’s three liter, six cylinder twin-turbo engine.

Materials that Withstand Today’s Hotter Running Engine Systems

stimpee did you ever find you a doner motor?

rjahl · 11-20-2018, 05:18 PM

Quote:

Originally Posted by Boorda

I am very aware of how old this post is, but since it was never specified exactly what kind of plastic BMW uses I thought I would share this good read....

From the link below.....

Quote:

Mahle and BMW Specify Air Duct of DuPont™ Hytrel® Polyester Elastomer to Reduce Weight and Cost
Stiff yet elastic DuPont™ Hytrel® HTR4275 is being used in a new two-component air duct from system supplier Mahle of Stuttgart, Germany, that connects the intercooler and throttle body of BMW’s three liter, six cylinder twin-turbo engine.

Materials that Withstand Today’s Hotter Running Engine Systems

stimpee did you ever find you a doner motor?

Ya but what Filament do I need to use in my 3D printer to make trumpet inlets? rolleyes:

hassmaschine · 11-20-2018, 11:54 PM

Quote:

Originally Posted by rjahl

Ya but what Filament do I need to use in my 3D printer to make trumpet inlets? rolleyes:

Dude, I totally want to know that!

rjahl · 11-21-2018, 05:06 AM

Look at this stuff, not cheap but they mention Manifolds

"Automotive / Transportation Applications: Ultem™ resins provide automotive manufacturers with a high performance, chemically resistant, thermally-stable, cost-effective alternative to metal that is strong enough to replace steel in some applications and light enough to replace aluminum in others. For applications like transmission components, throttle bodies, ignition components, sensors and thermostat housings,"

I don't think my printer can get hot enough to make this work.

https://www.3dxtech.com/ultem-1010-3...ting-filament/

AWSB328iM · 11-22-2018, 09:06 PM

They've been plastic since the E36 came out in 1992.

nsjames · 11-23-2018, 05:20 PM

I would give polycarbonate a go in a 3d printer.

it's thermoplastic.

so technically after it's printed it should not melt before it burns. Print temperature is around 280C, and IIRC poly carb doesn't glass until 150ish.

it's about the highest temp plastic that you can run through an average 3d printer, and won't require any kind of post heat like the metallic materials. Also it's way kinder to your nozzle and hot end. The metallic ones will wreck a standard hotend with the quickness. You've got to step up to a ruby nozzle if you're going to use the metal/reinforced filaments.

04-28-2006, 08:57 AM	#1
ksfrogman Major General 570 Rep 6,750 Posts Drives: E90 330i 6MT Join Date: Nov 2005 Location: Torrance, CA iTrader: (12) Garage List 2006 330i [0.00] 2006 330i [0.00]	What material is the intake manifold made of? I was looking at the intake runners this morning. When you tap on them, they practically look like they're made out of plastic, not cast aluminum. __________________
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05-15-2006, 07:16 PM	#2
whitecord Second Lieutenant 10 Rep 235 Posts Drives: 500whp 318ti Join Date: May 2006 Location: bonita springs iTrader: (4)	because it is plastic....
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05-15-2006, 07:21 PM	#3
NaTuReB0Y Powered By 36DD 337 Rep 7,369 Posts Drives: 2006 E90 Join Date: Jul 2005 Location: Inland Empire iTrader: (12)	synthetic plastic __________________ 2006 E90 330i Jet Black \| 20" WORK VS-XX \| FK452 \| H&R Sport on Koni Yellow \| REMUS QUAD
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05-15-2006, 08:36 PM	#5
ward Major General 155 Rep 6,158 Posts Drives: F Join Date: May 2005 Location: T iTrader: (0)	they've been plastic for over 10 years now
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05-15-2006, 09:17 PM	#6
whitecord Second Lieutenant 10 Rep 235 Posts Drives: 500whp 318ti Join Date: May 2006 Location: bonita springs iTrader: (4)	trust me i have had that complete engine torn down the a bare block
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05-18-2006, 08:36 PM	#7
ALPINE6SPD Lieutenant General 156 Rep 10,411 Posts Drives: 2010 BMW 328i Sport Join Date: Dec 2005 Location: Highland Lakes NJ iTrader: (2)	leatherette __________________ 2010 AW e90 328i: 6 speed, Black Leather, Dark Wood trim, ZPP, ZCW, ZVP,ZSP, Nav, Xenon BMW Performance CF Rear spolier and Gloss black grills 2008 Candy White MKV GTI 2.0T 6 Speed Manul Gone 2008 AW X3 3.0si: 6 speed Returned 2006 AW e90 330i: 6 speed Dinan Stage 1 Returned
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07-03-2006, 12:13 PM	#11
RichP Major 144 Rep 1,184 Posts Drives: F80 Join Date: Jul 2005 Location: CT iTrader: (4)	Stimpee, That ECU is NOT going to take friendly to what you have planned, LOL. The manifolds are probably not extude honed, they are molded smooth in 2 pieces then either chemically or ultrasonically welded together. There is no more "smoothing" that can take place. They are plastic because it transfers less heat into the intact tract than aluminum. Also cheaper and lighter.
	Appreciate 0 Quote

07-03-2006, 12:25 PM	#12
ksfrogman Major General 570 Rep 6,750 Posts Drives: E90 330i 6MT Join Date: Nov 2005 Location: Torrance, CA iTrader: (12) Garage List 2006 330i [0.00] 2006 330i [0.00]	I'd like to see one of those N52s bored and stroked to 3.2 liters for a 332i. __________________
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07-04-2006, 02:30 AM	#14
Raley Enlisted Member 0 Rep 30 Posts Drives: E90 Join Date: May 2006 Location: Singapore iTrader: (0)	I think breyton is the other company that does the 3.2 conversion
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11-21-2018, 05:06 AM	#19
rjahl Colonel 996 Rep 2,287 Posts Drives: Z4 35is Join Date: Jun 2011 Location: Tampa iTrader: (0) Garage List 2012 Z4 35is [0.00]	Look at this stuff, not cheap but they mention Manifolds "Automotive / Transportation Applications: Ultem™ resins provide automotive manufacturers with a high performance, chemically resistant, thermally-stable, cost-effective alternative to metal that is strong enough to replace steel in some applications and light enough to replace aluminum in others. For applications like transmission components, throttle bodies, ignition components, sensors and thermostat housings," I don't think my printer can get hot enough to make this work. https://www.3dxtech.com/ultem-1010-3...ting-filament/
	Appreciate 0 Quote

11-22-2018, 09:06 PM	#20
AWSB328iM Captain 397 Rep 647 Posts Drives: 2011 E92 328i M-Sport 6MT Join Date: Nov 2016 Location: Memphis, TN iTrader: (0)	They've been plastic since the E36 came out in 1992.
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11-23-2018, 05:20 PM	#21
nsjames Brigadier General 2440 Rep 4,331 Posts Drives: 08 328xi Touring Join Date: May 2017 Location: ohio iTrader: (0)	I would give polycarbonate a go in a 3d printer. it's thermoplastic. so technically after it's printed it should not melt before it burns. Print temperature is around 280C, and IIRC poly carb doesn't glass until 150ish. it's about the highest temp plastic that you can run through an average 3d printer, and won't require any kind of post heat like the metallic materials. Also it's way kinder to your nozzle and hot end. The metallic ones will wreck a standard hotend with the quickness. You've got to step up to a ruby nozzle if you're going to use the metal/reinforced filaments.
	Appreciate 0 Quote