Remove engine cover for better cooling?

mike sevel · 05-29-2017, 11:47 AM

'08 E93, always hot here in Texas. Will the engine run cooler if I remove the engine cover?
Any other downsides like noise or accumulated dirt?
Mikey

VTECaddict · 05-29-2017, 02:20 PM

I don't think it will make any measurable difference. Don't worry about it unless the car is overheating all the time. And if it is overheating all the time, something is probably broken.

Welcome to NBA Jam · 05-29-2017, 02:30 PM

It's not going to make any difference that matters.

N54_e90 · 05-29-2017, 04:47 PM

No difference son.

BeastMode335i · 05-29-2017, 08:42 PM

lol

lordbmw · 05-29-2017, 08:50 PM

I know that on a 335i, removing the cover is bad.

It protects the engine from water which can mess up your ignition coils. I saw a video on that once.

MR92_ · 05-30-2017, 02:13 AM

Engine cover delete is 30-45hp iirc

Hearf · 05-30-2017, 06:34 AM

Weight reduction, bro.

Bamaben · 05-30-2017, 06:59 AM

Runs much cooler with hood delete

335e92tx · 05-30-2017, 08:08 AM

Get MHD and set WP to sport. My oil temp is about 20 degrees lower just that change alone.

edit

nvm - see you got a 328...sorry.. head north son.

CTinline-six · 05-30-2017, 12:32 PM

Talking about the top cover that goes over the valve cover or the plastic shield on the bottom?

I removed the one on the bottom because I like to know when a vehicle is leaking. Plus my GF managed to hit something and rip half of it off anyway.

flexinator · 05-30-2017, 02:58 PM

Quote:

Originally Posted by 335e92tx

Get MHD and set WP to sport. My oil temp is about 20 degrees lower just that change alone.

edit

nvm - see you got a 328...sorry.. head north son.

I noted the same cooler running temps when set to sport too. Going to test out track mode this summer.

335e92tx · 05-30-2017, 07:47 PM

weird part is today it was almost to the same. within 5 degrees.
So I'm still trying to pin this down.

natedog7700 · 05-30-2017, 09:19 PM

It probably does but by how much is the question. If you have over heating problems then taking the cover off will be laughable to "fix" it.

stelvio · 05-31-2017, 05:48 AM

Quote:

Originally Posted by 335e92tx

nvm - see you got a 328...sorry.. head north son.

LOL! ^

Engine cover has no affect on the air the engine sucks in which is more of a heating/cooling factor than a piece of plastic.

racermp · 05-31-2017, 10:31 AM

raise your hood

http://bmwbuilds.com/wp-content/uplo...Project-59.jpg
took this pic from googlioid

LMB335IS · 05-31-2017, 05:29 PM

That's better. At most it's a couple degree difference. The reason I do it is for easy, quick access to the plugs and coils.

Needbmwpartzz · 05-31-2017, 06:50 PM

Just don't......your car should cool fine assuming your wp works and cooling syst has required fluid within.

Cory S · 06-05-2017, 11:19 AM

I run without the rear plastic top of engine cover, and without the plastic catch tray underneath. Oil temperatures dropped 8-10*F, and underhood temps dropped 18-25*F.

Without the Cowl cover, these temps drop even lower, but I normally run with it on.

05-29-2017, 11:47 AM	#1
mike sevel Second Lieutenant 44 Rep 221 Posts Drives: '08 328i atlantic blue Join Date: Jul 2013 Location: NEW BRAUNFELS, TX iTrader: (0)	Remove engine cover for better cooling? '08 E93, always hot here in Texas. Will the engine run cooler if I remove the engine cover? Any other downsides like noise or accumulated dirt? Mikey
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05-29-2017, 02:20 PM	#2
VTECaddict Where'd my VTEC go? 481 Rep 6,067 Posts Drives: 06 330i 6MT Join Date: Mar 2009 Location: Seattle, WA iTrader: (4)	I don't think it will make any measurable difference. Don't worry about it unless the car is overheating all the time. And if it is overheating all the time, something is probably broken. __________________ AW/Terra \| ZSP \| ZPP \| ZCW \| iDrive \| CA Mods: BC BR coilovers \| Blacklines \| M-tech rear \| dual exhaust \| M3 steering wheel \| BMW SSK \| ZHP shift knob \| High-kick CF spoiler \| NBT Retrofit M3 front control arms \| M3 rear guide rods \| Manzo rear toe and camber links \| Monroe rear shock mounts \| Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear
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05-29-2017, 02:30 PM	#3
Welcome to NBA Jam Is it the shoes!? 3884 Rep 5,112 Posts Drives: (Sold) 2011 E92 335i ZMP 6MT Join Date: Mar 2014 Location: USA iTrader: (1)	It's not going to make any difference that matters.
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05-29-2017, 04:47 PM	#4
N54_e90 Don 46 Rep 299 Posts Drives: '09 E90 335xi Family Sedan Join Date: Jan 2017 Location: Your Mother's House iTrader: (0)	No difference son.
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05-29-2017, 08:42 PM	#5
BeastMode335i Maximus Decimus Meridius 1130 Rep 4,584 Posts Drives: F30 335i Join Date: Apr 2014 Location: Down South iTrader: (2)	lol __________________ F30 335i Melbourne Red Metallic M-Sport Package
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05-29-2017, 08:50 PM	#6
lordbmw Captain 271 Rep 790 Posts Drives: 2010 BMW 335xi Coupe (AT) Join Date: Sep 2016 Location: Alexandria, VA iTrader: (0)	I know that on a 335i, removing the cover is bad. It protects the engine from water which can mess up your ignition coils. I saw a video on that once.
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05-30-2017, 02:13 AM	#7
MR92_ Private 54 Rep 63 Posts Drives: x3 35i Join Date: Jul 2016 Location: regina sk iTrader: (0)	Engine cover delete is 30-45hp iirc
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05-30-2017, 06:34 AM	#8
Hearf Private First Class 28 Rep 177 Posts Drives: 2009 E90 335xi Join Date: Mar 2016 Location: NY iTrader: (3)	Weight reduction, bro.
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05-30-2017, 06:59 AM	#9
Bamaben Major 183 Rep 1,082 Posts Drives: 07 335i blk/blk/alum 6MT Join Date: Jun 2010 Location: Bimmertown iTrader: (0)	Runs much cooler with hood delete __________________ It takes a big man to cry. It takes an even bigger man to laugh at him-- Jack Handey mods: blackout grill, finishing rods, badges, Blacklines.
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05-30-2017, 08:08 AM	#10
335e92tx ahat 1036 Rep 2,592 Posts Drives: Was '07-335e92 - Now '13-335IS Join Date: Mar 2008 Location: Texas iTrader: (6)	Get MHD and set WP to sport. My oil temp is about 20 degrees lower just that change alone. edit nvm - see you got a 328...sorry.. head north son. __________________ '13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92)- Grey interior (1 of 24 in LMB with any trans- 1 of 14 with DCT)-MODS -MFactory LSD/MHD-BQ custom Tune/ATM-IC/AFE Momentum GT Intake/Konis/Mfront&HeimJoint Rear rods&arms/Brembos. https://photos.app.goo.gl/Lo6aHZRo7XqtPkhL8
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05-30-2017, 12:32 PM	#11
CTinline-six Hoonigan 6884 Rep 3,000 Posts Drives: '09 328i, '98 Wrangler Join Date: Dec 2016 Location: Connecticut iTrader: (0) Garage List 2009 BMW 328i N51 [0.00]	Talking about the top cover that goes over the valve cover or the plastic shield on the bottom? I removed the one on the bottom because I like to know when a vehicle is leaking. Plus my GF managed to hit something and rip half of it off anyway. __________________ "Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should." -Dr. Ian Malcolm, Jurassic Park
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05-30-2017, 07:47 PM	#13
335e92tx ahat 1036 Rep 2,592 Posts Drives: Was '07-335e92 - Now '13-335IS Join Date: Mar 2008 Location: Texas iTrader: (6)	weird part is today it was almost to the same. within 5 degrees. So I'm still trying to pin this down. __________________ '13 335IS N54 (1 of 373 LeMans Blue out of 3597 total production e92)- Grey interior (1 of 24 in LMB with any trans- 1 of 14 with DCT)-MODS -MFactory LSD/MHD-BQ custom Tune/ATM-IC/AFE Momentum GT Intake/Konis/Mfront&HeimJoint Rear rods&arms/Brembos. https://photos.app.goo.gl/Lo6aHZRo7XqtPkhL8
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05-30-2017, 09:19 PM	#14
natedog7700 Captain 665 Rep 780 Posts Drives: 07 335i RB's 625whp Join Date: Nov 2013 Location: milwaukee wi iTrader: (0)	It probably does but by how much is the question. If you have over heating problems then taking the cover off will be laughable to "fix" it.
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05-31-2017, 10:31 AM	#16
racermp Major 190 Rep 937 Posts Drives: F30 330i Join Date: Apr 2013 Location: Houston, TX iTrader: (1)	raise your hood http://bmwbuilds.com/wp-content/uplo...Project-59.jpg took this pic from googlioid
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05-31-2017, 05:29 PM	#17
LMB335IS Sua Sponte 1299 Rep 2,850 Posts Drives: 2013 LMB 335is Join Date: May 2008 Location: FOB FL iTrader: (21) Garage List 2013 BMW 335is [8.84]	That's better. At most it's a couple degree difference. The reason I do it is for easy, quick access to the plugs and coils. __________________ 335is/DCT-M3 GTS software-M3 drivetrain-M3 GWS-KOMBI-DSC-SZL/MHD/BQ Tuning IG@ClustersandCoding
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05-31-2017, 06:50 PM	#18
Needbmwpartzz Colonel 851 Rep 2,793 Posts Drives: 2009 bmw 328i x-drive Join Date: Feb 2014 Location: Kitchener/Waterloo iTrader: (0)	Just don't......your car should cool fine assuming your wp works and cooling syst has required fluid within.
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06-05-2017, 11:19 AM	#19
Cory S Major 305 Rep 1,163 Posts Drives: 2011 335i-X Join Date: Oct 2015 Location: N.H. iTrader: (0)	I run without the rear plastic top of engine cover, and without the plastic catch tray underneath. Oil temperatures dropped 8-10F, and underhood temps dropped 18-25F. Without the Cowl cover, these temps drop even lower, but I normally run with it on. __________________ 2011 335i X-drive 6AT / Pure turbo / 500AWHP/526TQ
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