Will it harm anything to run without the plastic engine cover?

str8shot · 10-09-2012, 08:30 AM

Scheduled for a dyno session next week, but it's roughly 100 miles away.

Will it hurt anything to run without the engine cover? Not sure if the coils would bake, etc.

onebadmofo · 10-09-2012, 08:32 AM

No, just going to be noisier.

JamesM3M5 · 10-09-2012, 09:12 AM

Don't drive in the rain or wash the engine without that cover, though. The injectors are not waterproof.

Otherwise, pull it off for track days, drag racing runs, if you live in the desert, and don't mind the extra clicking from the injectors. Those suckers are noisy.

raceyBMW · 10-09-2012, 10:07 AM

Just your ears

Jeff@TopGearSolutions · 10-09-2012, 12:22 PM

Quote:

Originally Posted by JamesM3M5

Don't drive in the rain or wash the engine without that cover, though. The injectors are not waterproof.

Otherwise, pull it off for track days, drag racing runs, if you live in the desert, and don't mind the extra clicking from the injectors. Those suckers are noisy.

Good advice here.

jpsimon · 10-09-2012, 12:34 PM

it is REALLY loud without it on there - not a good loud either. i advise against it. You don't need to remove the whole thing for the dyno, just the front screws is all that's needed to be removed

Carl Morris · 10-09-2012, 03:14 PM

I used to assume I would run without it as soon as I was off warranty, but when I took it off the other day to change the plugs there was a pretty good coating of oil mist and dirt on it. It's kind of nice not having all that gunk on all the stuff under it. I think I'll run with it forever now.

str8shot · 10-09-2012, 03:50 PM

Quote:

Originally Posted by jpsimon

You don't need to remove the whole thing for the dyno, just the front screws is all that's needed to be removed

I tried that last time. Couldn't find the correct wire to clamp the tach sense lead to for the dynometer.

10-09-2012, 08:30 AM	#1
str8shot Lieutenant 107 Rep 471 Posts Drives: N54 Montego Blue 135i Join Date: Mar 2012 Location: Wisco iTrader: (1)	Will it harm anything to run without the plastic engine cover? Scheduled for a dyno session next week, but it's roughly 100 miles away. Will it hurt anything to run without the engine cover? Not sure if the coils would bake, etc.
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10-09-2012, 08:32 AM	#2
onebadmofo Colonel 346 Rep 2,396 Posts Drives: 2008 E90 M3 Join Date: Aug 2010 Location: Central NJ iTrader: (14)	No, just going to be noisier.
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10-09-2012, 09:12 AM	#3
JamesM3M5 Some dude 91 Rep 1,780 Posts Drives: E92 335i Join Date: Sep 2011 Location: Northern VA iTrader: (0)	Don't drive in the rain or wash the engine without that cover, though. The injectors are not waterproof. Otherwise, pull it off for track days, drag racing runs, if you live in the desert, and don't mind the extra clicking from the injectors. Those suckers are noisy. __________________ RRT E92 335i/6MT with stuff and things
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10-09-2012, 10:07 AM	#4
raceyBMW king of the hills 92 Rep 2,915 Posts Drives: 2011 M3 w/ESS55, 2001 540i/6 Join Date: Dec 2006 Location: Arvada, CO iTrader: (1) Garage List 2001 BMW 540i/6 [8.17] 1994 530i [9.00] 2007 335i Coupe [8.37]	Just your ears
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10-09-2012, 12:34 PM	#6
jpsimon Team Zissou 3063 Rep 10,197 Posts Drives: 2022 AWD M3 Comp - SMB Join Date: Dec 2006 Location: CT iTrader: (7)	it is REALLY loud without it on there - not a good loud either. i advise against it. You don't need to remove the whole thing for the dyno, just the front screws is all that's needed to be removed
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10-09-2012, 03:14 PM	#7
Carl Morris Captain 19 Rep 650 Posts Drives: 2008 335xi 6MT Join Date: Feb 2012 Location: San Jose, CA iTrader: (0)	I used to assume I would run without it as soon as I was off warranty, but when I took it off the other day to change the plugs there was a pretty good coating of oil mist and dirt on it. It's kind of nice not having all that gunk on all the stuff under it. I think I'll run with it forever now.
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