I've read all the stuff on hard break ins and still don't get it...

Danforz · 11-06-2006, 01:59 PM

Hey guys, I'm new so a HELLO is in order!

Anyways I've been reading up on breaking in my car. And thus far I'm still a bit confused on HOW to do a hard break in. Instead of writing what I'm confused on (that would be a lot) I'll just tell you what I've gathered from what I've read.

For an STEPTRONIC 328:
From what I've gathered, let the oil warm up, then I should take it easy for first 30 miles to avoid metal in my oil, then vay the RPM between 2, 4, 5.5 rpms for about 10 minutes at a time, and finally let the engine cool down afterwards by runnin it at low RPMs?

Does that sound correct, or have I missed the principle here?

Thanks guys

canucklion · 11-06-2006, 02:13 PM

hello and welcome and please do a search on this topic

kuthair · 11-06-2006, 03:46 PM

Quote:

Originally Posted by Danforz

Hey guys, I'm new so a HELLO is in order!

Anyways I've been reading up on breaking in my car. And thus far I'm still a bit confused on HOW to do a hard break in. Instead of writing what I'm confused on (that would be a lot) I'll just tell you what I've gathered from what I've read.

For an STEPTRONIC 328:
From what I've gathered, let the oil warm up, then I should take it easy for first 30 miles to avoid metal in my oil, then vay the RPM between 2, 4, 5.5 rpms for about 10 minutes at a time, and finally let the engine cool down afterwards by runnin it at low RPMs?

Does that sound correct, or have I missed the principle here?

Thanks guys

From my understanding you have pretty much summed it up. Do a post break-in oil change. Search the forums for more info, here's a good start: http://www.e90post.com/forums/showthread.php?t=32617

Danforz · 11-06-2006, 04:03 PM

THank you Kuthair for your resposne. Again, I have done a search, however am still unsure about how to go about it.

gos · 11-06-2006, 04:11 PM

Quote:

Originally Posted by Danforz

For an STEPTRONIC 328:
From what I've gathered, let the oil warm up, then I should take it easy for first 30 miles to avoid metal in my oil, then vay the RPM between 2, 4, 5.5 rpms for about 10 minutes at a time, and finally let the engine cool down afterwards by runnin it at low RPMs?

Does that sound correct, or have I missed the principle here?

Thanks guys

If you want to do a hard breakin, I think you've missed the point.

I would warm it up for a few minutes (at most) then with the step in a "manual" gear choice, alternately go back and forth with maximum acceleration and maximum engine braking for 15-20 minutes. Pick your gear based on the road you're on. There's no need to redline, the load on the engine is what's critical to seating the rings well.

Once you've got say 15 minutes on it of this, then start to increase your max RPM a bit... continuing the hard accel, hard engine braking.

In another 15 minutes drain your oil and replace oil+filter, and you should be done.

--gos

kuthair · 11-06-2006, 04:12 PM

Well, you kinda look stupid doing it....let the car warm up, then get on the highway, put ur car in 3rd gear...then up to 90mph (~6000rpms) and down (~4000rpms), up and down... when going down dont hit the brake just let it coast. I was on the autobahn...on slower streets use 2nd gear -- same thing. It will be loud. Dont keep it at any one speed too long, keep the rpm needle moving up and down.

Shift into a higher gear after about 10 mins (you'll see the engine temp higher than norm). Let it cool down while your driving (dont stop the car), but try and keep that rpm needle moving. Rinse and repeat.

Danforz · 11-06-2006, 07:37 PM

bump

Driv3r · 11-06-2006, 08:25 PM

yea you guys have it about right, i chose the hard breakin and my 325 is feeling better everyday...its really pulls.

Driv3r · 11-06-2006, 08:26 PM

20 more posts till my 1k in posts!!

adriver · 11-21-2006, 11:22 AM

Im gonna do ED soon enough, and want to do this type of break-in. Just curious if anyone has any compression numbers that we could compare this to people who haven't and see where everyone stands.

MrSilver · 11-21-2006, 03:11 PM

I've heard that if you do the hard break-in your 335i will overheat and blow up.

Driv3r · 11-21-2006, 03:26 PM

Quote:

Originally Posted by MrSilver

I've heard that if you do the hard break-in your 335i will overheat and blow up.

that might be true, i know FI are different from NA....e90fleet?

bronco · 11-21-2006, 03:32 PM

"blow up"...OUCH

imsambeen · 11-21-2006, 03:36 PM

Im having some doubts, if it matters with the 335.
I did a slow break-in and Shiv did a really hard one and we both ended up with same Stats.

Ray · 11-21-2006, 04:12 PM

Quote:

Originally Posted by bronco

"blow up"...OUCH

He was just kidding.

11-06-2006, 01:59 PM	#1
Danforz BMW Enthusiast 20 Rep 161 Posts Drives: 328i '07 Join Date: Oct 2006 Location: LA iTrader: (0)	I've read all the stuff on hard break ins and still don't get it... Hey guys, I'm new so a HELLO is in order! Anyways I've been reading up on breaking in my car. And thus far I'm still a bit confused on HOW to do a hard break in. Instead of writing what I'm confused on (that would be a lot) I'll just tell you what I've gathered from what I've read. For an STEPTRONIC 328: From what I've gathered, let the oil warm up, then I should take it easy for first 30 miles to avoid metal in my oil, then vay the RPM between 2, 4, 5.5 rpms for about 10 minutes at a time, and finally let the engine cool down afterwards by runnin it at low RPMs? Does that sound correct, or have I missed the principle here? Thanks guys
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11-06-2006, 02:13 PM	#2
canucklion pull my finger to get your kinder® surprise 148 Rep 10,455 Posts Drives: circles around you Join Date: Dec 2005 Location: Toronto, Canada iTrader: (9)	hello and welcome and please do a search on this topic __________________
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11-06-2006, 04:03 PM	#4
Danforz BMW Enthusiast 20 Rep 161 Posts Drives: 328i '07 Join Date: Oct 2006 Location: LA iTrader: (0)	THank you Kuthair for your resposne. Again, I have done a search, however am still unsure about how to go about it.
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11-06-2006, 04:12 PM	#6
kuthair Captain 11 Rep 613 Posts Drives: 07 335i Sedan 6MT Join Date: Oct 2005 Location: Connecticut iTrader: (0)	Well, you kinda look stupid doing it....let the car warm up, then get on the highway, put ur car in 3rd gear...then up to 90mph (~6000rpms) and down (~4000rpms), up and down... when going down dont hit the brake just let it coast. I was on the autobahn...on slower streets use 2nd gear -- same thing. It will be loud. Dont keep it at any one speed too long, keep the rpm needle moving up and down. Shift into a higher gear after about 10 mins (you'll see the engine temp higher than norm). Let it cool down while your driving (dont stop the car), but try and keep that rpm needle moving. Rinse and repeat.
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11-06-2006, 07:37 PM	#7
Danforz BMW Enthusiast 20 Rep 161 Posts Drives: 328i '07 Join Date: Oct 2006 Location: LA iTrader: (0)	bump
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11-06-2006, 08:25 PM	#8
Driv3r Colonel 177 Rep 2,355 Posts Drives: 2006 E46 M3 ZCP Join Date: May 2005 Location: Miami Beach, FL iTrader: (8) Garage List 2006 325i [0.00]	yea you guys have it about right, i chose the hard breakin and my 325 is feeling better everyday...its really pulls. __________________ 2006 E46 M3 ZCP 6SPD-Interlagos Blue - 6SPD - SSK - AA Headers -AA Tune - Navigation w/ Splashscreen Mod - 3M Crystalline Series 60 - Carbon Splitters - Swissvax Treated - Bridgestone 2012 Yamaha FZ8 - Matte Black/Grey - Michelin Pilot Pure 2CT - Vortex Rear Sets - Yoshimura R-77D & Fender Delete - Spectro Race Oil - GP Reverse Shifting
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11-06-2006, 08:26 PM	#9
Driv3r Colonel 177 Rep 2,355 Posts Drives: 2006 E46 M3 ZCP Join Date: May 2005 Location: Miami Beach, FL iTrader: (8) Garage List 2006 325i [0.00]	20 more posts till my 1k in posts!! __________________ 2006 E46 M3 ZCP 6SPD-Interlagos Blue - 6SPD - SSK - AA Headers -AA Tune - Navigation w/ Splashscreen Mod - 3M Crystalline Series 60 - Carbon Splitters - Swissvax Treated - Bridgestone 2012 Yamaha FZ8 - Matte Black/Grey - Michelin Pilot Pure 2CT - Vortex Rear Sets - Yoshimura R-77D & Fender Delete - Spectro Race Oil - GP Reverse Shifting
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11-21-2006, 11:22 AM	#10
adriver Enlisted Member 2 Rep 43 Posts Drives: soon to be Join Date: Nov 2006 Location: soon to be back iTrader: (0)	Im gonna do ED soon enough, and want to do this type of break-in. Just curious if anyone has any compression numbers that we could compare this to people who haven't and see where everyone stands.
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11-21-2006, 03:11 PM	#11
MrSilver Judge Advocate General 99 Rep 1,128 Posts Drives: e92 335i Join Date: Apr 2006 Location: Buffalo, New York iTrader: (0) Garage List 2007 e92 335i [0.00]	I've heard that if you do the hard break-in your 335i will overheat and blow up. __________________ '07 E92 335i "Over-Heating" and "Blowing Up" since 9-5-06 6MT, Space Gray, Gray w/ Dakota Leather, Dark Burl, ZSP, ZPP, ZCW Comfort Access, Sirius Satellite (Howard is not optional) '07 X3 3.0si - Black on Black, ZPP, ZCW, Step. - Wife's car
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11-21-2006, 03:32 PM	#13
bronco Colonel 76 Rep 2,104 Posts Drives: e92 Join Date: Nov 2006 Location: Atlanta iTrader: (0)	"blow up"...OUCH __________________ SaaS - The world of tomorrow is already here...www.saaschronicles.com
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11-21-2006, 03:36 PM	#14
imsambeen Black-Ops: Splinter Cell 15 Rep 130 Posts Drives: The first Vishnu 335 Join Date: Oct 2006 Location: Los Angeles iTrader: (0)	Im having some doubts, if it matters with the 335. I did a slow break-in and Shiv did a really hard one and we both ended up with same Stats. __________________
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