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      12-09-2024, 07:57 AM   #1
BroDoze
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Break-in sucks, in winter..

I knew this would happen when I ordered my 2025. Right about the time I get the car, the weather turns south. I’ve had the chance to get a few 100mi+ drives in, but it’s mostly been short ~20mi rt commutes in the car. At this rate I won’t be broken in until Spring.
Currently at 671mi and I’ve been trying to drive it every day I’m commuting. Ugh.
Car just wants to go!

T-minus 529mi…
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      12-09-2024, 08:24 AM   #2
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Yeah that’s rough! I found myself adding miles to my daily commute just to get the miles up. You got winter tires, no need to worry about the weather 😀
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      12-09-2024, 09:51 AM   #3
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Same same. I'm at 400 miles, brutal.

Other day heading to work, just drove the complete wrong direction for 30 mins on the highway, then switched nav to avoid highways when I took my exit. Turned into a nice 1hr 15 drive to work with not no much traffic.
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      12-09-2024, 10:02 AM   #4
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Yeah, not looking forward to this.

From August to November Long Island experience one of the longest droughts in history. We had sunny, dry, beautiful boost weather for 3+ months and I missed all of it.

My M2 showed up at the port on 11/10 and I was really hoping I'd have it for Thanksgiving break so I could do some miles. That didn't happen, and now it's freezing here.

Once they salt the roads, I'm probably parking the car for a while.

Godspeed my friend. You'll get there before you know it.
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      12-09-2024, 11:03 AM   #5
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Look at the positive here, you can vastly refine and improve your driving skills as the obstacles and challenges of inclement conditions are navigated.

When shitty weather gives you lemons, make lemonade.

Glad it’s not me.
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      12-09-2024, 11:45 AM   #6
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Quote:
Originally Posted by TallGibbs View Post
Yeah that’s rough! I found myself adding miles to my daily commute just to get the miles up. You got winter tires, no need to worry about the weather 😀
I swapped to the 829M winter wheel/tire package a week ago, so I'm set for cold weather. But I am following the break-in recommendations until I get to 1200, and I'm only at 1000 now. And like someone else mentioned, pretty soon the roads will be salted here in southern New England. I'll use my wife's Mini if she's not using it when the roads are bad but will try to avoid driving the M2 in that crap. It may be 2025 when I finally reach the end of the break-in mileage.
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      12-09-2024, 11:52 AM   #7
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Dealerships around me will take the car as early as 900 miles.
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      12-09-2024, 12:05 PM   #8
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I got mine in December of last year and barely drove it until April. It does suck
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      12-09-2024, 12:45 PM   #9
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Quote:
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Dealerships around me will take the car as early as 900 miles.
Yeah, I did mine at 1,006 miles without any issue.
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      12-09-2024, 12:47 PM   #10
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I love this cool/cold weather - this is boost weather!

No snow in Charlotte NC yet
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      12-09-2024, 12:55 PM   #11
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Sitting at 950 miles just now, and debating when to book in for the run-in service. If I leave it too late, they won't take appointments pre-Christmas, and I need the car in the first week of January.

1st world problems....
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      12-09-2024, 10:32 PM   #12
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Yup. I only have 500 miles on mine. It’s parked until spring.
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      12-10-2024, 02:08 PM   #13
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Quote:
Originally Posted by Blacktemplar View Post
Sitting at 950 miles just now, and debating when to book in for the run-in service. If I leave it too late, they won't take appointments pre-Christmas, and I need the car in the first week of January.

1st world problems....
Just booked day after Christmas, they said 900 miles is ok
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      12-10-2024, 03:17 PM   #14
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I'm in Colorado as well and just passed 337 miles. I've got a long way to go until spring.
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      12-10-2024, 04:16 PM   #15
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I'm in Colorado as well and just passed 337 miles. I've got a long way to go until spring.
I was born and raised near Buffalo NY.
As the locals say, there are 2 seasons: winter and July.
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      12-10-2024, 06:16 PM   #16
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I drove for over an hour today, had a great time and really got some good break in for the car. But I was driving mostly sub 55mph on back roads, so I only drove about 40 miles.

Certainly a lot more break in performed in that 40 miles than if I had driven 80-100 miles in the same time frame.

Use your own judgement on breaking in the car, 1200 is just a lowest common denominator for the engine being definitely ready.
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      12-10-2024, 09:01 PM   #17
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I’m sitting at 455 miles, with another bout of snow and salty Michigan roads coming tomorrow. It’s set up with proper snow tires and I’ll probably commute in it anyway, but 12 miles/day doesn’t move me along very quickly. Slushy street parking pic included for the feels.
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      12-10-2024, 10:19 PM   #18
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Quote:
Originally Posted by IanH View Post
Use your own judgement on breaking in the car, 1200 is just a lowest common denominator for the engine being definitely ready.
Amazing how many people still believe this mythology ("x miles", "baby it", etc).

The break in process involves heat cycling and seating the piston rings - accomplished via shorter trips, bursts of hard throttle, followed by overnight cool down (driving like a grandma or droning down the freeway for a long trip to "get your miles" is absolute worst thing you can do). Dyno proven countless times (approximately 10-20 heat cycles and full power is realized) and I've personally broken in probably 40 engines this way, none of which used oil

Break it in relatively hard and change oil early, 1000 miles at the most
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      12-10-2024, 11:07 PM   #19
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Quote:
Originally Posted by fzr100098 View Post
Amazing how many people still believe this mythology ("x miles", "baby it", etc).

The break in process involves heat cycling and seating the piston rings - accomplished via shorter trips, bursts of hard throttle, followed by overnight cool down (driving like a grandma or droning down the freeway for a long trip to "get your miles" is absolute worst thing you can do). Dyno proven countless times (approximately 10-20 heat cycles and full power is realized) and I've personally broken in probably 40 engines this way, none of which used oil

Break it in relatively hard and change oil early, 1000 miles at the most
Heat cycling can be counter productive due to the significant amount of time the engine spends with cold oil and rich mixture where any hard use will cause bore and bearing scoring.

I’ve broken in a few dozen new engines with lots of varied load, no oil consumption or anything other than good performance relative to the engine spec. No significant number of heat cycles during the break-in period.

My last engine that I built myself (2.0 260bhp / 8300RPM naturally aspirated Caterham engine) had its first break-in oil change after 20 minutes of running for cam and ring break-in. It then was road broken-in at 1/3 to 2/3 throttle and revs for 500km (300 miles) with one heat cycle up to that point, also on a break-in oil. It then was filled with 5w50 synthetic and had about 50 flat-out runs on the dyno to finish detailed tuning.

After 2,000km of flat out track use this summer, it pulls brilliantly and uses no oil at all.
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      12-10-2024, 11:32 PM   #20
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Quote:
Originally Posted by lambdalynx View Post
I’m sitting at 455 miles, with another bout of snow and salty Michigan roads coming tomorrow. It’s set up with proper snow tires and I’ll probably commute in it anyway, but 12 miles/day doesn’t move me along very quickly. Slushy street parking pic included for the feels.
lol not clear where you are exactly in MI, but I feel you lol. I’m near the metro Detroit area and I did the break in and put her away JUST before that few snow hit a couple weeks ago. I can’t believe you’re driving this year round here lol
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      12-11-2024, 05:45 AM   #21
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Originally Posted by Mhrob24 View Post
lol not clear where you are exactly in MI, but I feel you lol. I’m near the metro Detroit area and I did the break in and put her away JUST before that few snow hit a couple weeks ago. I can’t believe you’re driving this year round here lol
Its just a normal car, it's not gonna explode if you drive it in the winter.
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      12-11-2024, 07:00 AM   #22
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Quote:
Originally Posted by BroDoze View Post
I knew this would happen when I ordered my 2025. Right about the time I get the car, the weather turns south. I’ve had the chance to get a few 100mi+ drives in, but it’s mostly been short ~20mi rt commutes in the car. At this rate I won’t be broken in until Spring.
Currently at 671mi and I’ve been trying to drive it every day I’m commuting. Ugh.
Car just wants to go!

T-minus 529mi…
We had two very opposite break-in experiences CA weather has been pretty nice so far except for a few rainy days in between.

I hit 1.2k miles about 2 weeks after delivery and got the break in service done. I'm nearly at 2.5k now
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