[kingikra]

Hi all,

Just completed my break in period.
In my A45 AMG, there was a light that started as on color and changed to a different color when the engine was warm enough to be hammered. I'm sorry but I can't recall which light was that and what were the colors (One of them was white). In the M2, when I switch the view in the drivers console to oil temperature, the gauge is at 70 till it gets there. Meaning, I can't tell when it is at 50, 60 and 70. Only when it passes the 70.

Is there another gauge that tells what's the engine temperature? What is the preferred temperature to start hammering it?

Thanks

[tranck]

200-210F.

[F87_LCI]

I usually wait for it to hit 85-90 C. (No idea what that is in Fahrenheit!) I have an AWRON gauge so easy to see.

[heavyD^2]

Once the temp. indicator starts moving from the left edge you are good to go.

[AlpsRider]

I drive with an egg under my right foot until the oil temp is 170 F. I never hammer it until at least 200 F.

M2 Comp has a built in oil temp gauge. I have noticed that with MDM on the oil temp runs about 20 degrees F. less than with MDM off. I think it is to allow for hard driving. Anyone else notice this?

Edit: Actually I found out that the oil temp change is triggered by the Sport+ mode and not MDM. I searched the M3/M4 forum and found that this is actually common knowledge in their forum.

[kingikra]

Originally Posted by F87_LCI

I usually wait for it to hit 85-90 C. (No idea what that is in Fahrenheit!) I have an AWRON gauge so easy to see.

We're using C here. Anyhow, 200 F is about 93 C

[AlpsRider]

Originally Posted by heavyD^2

Once the temp. indicator starts moving from the left edge you are good to go.

So the LCI has a temp guage too?

[kingikra]

Originally Posted by AlpsRider

So the LCI has a temp guage too?

As I mentioned above, if you "play" a bit with the driver's gauge display, you can find an oil temp gauge that starts at 70 C which is 158 F

[XutvJet]

180 degrees minimum, 200 degrees is ideal.

[F87source]

I wait for 89*C - 90*C, my m2 never gets any hotter under gentle driving so after it hits that I'm ready to go.

[Artemis]

Originally Posted by kingikra

Is there another gauge that tells what's the engine temperature? What is the preferred temperature to start hammering it?

Needle in the middle of the digital temp gauge = coolant temp + oil temp are OK = you can shift into 'spirited mode'.

Reported by my P3 gauge:

• of course the coolant temp climbs quicker than the oil temp;
• needle of the digital temp gauge of the OBC jumps to the middle as soon as oil temp achieves 86-87°C (187-189°F);
• faster temp increase from cold engine in COMFORT mode than in SPORT mode.

Excerpt from the M2 Technical Training, page 64:

[PLF69]

Originally Posted by AlpsRider

So the LCI has a temp guage too?

Yes M2 Comp is the same interior as LCI except for the individual M adjustments buttons near the shifter and the ones on the steering wheels.

[m2for2]

Originally Posted by AlpsRider

I drive with an egg under my right foot until the oil temp is 170 F. I never hammer it until at least 200 F.

M2 Comp has a built in oil temp gauge. I have noticed that with MDM on the oil temp runs about 20 degrees F. less than with MDM off. I think it is to allow for hard driving. Anyone else notice this?

Noticed when I put my OG M2 in Sport or Sport+ without driving particularly hard that it definitely stays cooler than similar driving conditions in comfort.

[XRAVE]

Originally Posted by m2for2

Noticed when I put my OG M2 in Sport or Sport+ without driving particularly hard that it definitely stays cooler than similar driving conditions in comfort.

I agree. In comfort I never see it really go above 200ish.

Once it reaches 160-170, It's ready to go for me.

[McPurrs]

Originally Posted by XRAVE

I agree. In comfort I never see it really go above 200ish.

Once it reaches 160-170, It's ready to go for me.

The thermostat behaves differently depending on drive mode. Reason being: helps with fuel atomization/combustion dependent on driving more. Working as designed.

[eeyang92]

It's more of a "range" - I believe it when people say it's fine when the needle starts moving (temps are pretty close to operating temps at that point), but in my mind that's not as good as waiting until operating temp (~200 F).

You probably will never notice the difference though, so just do what is comfortable for you. Or, more realistically, what traffic conditions dictate - if you *need* to overtake and your needle is just barely moving, it's fine to hammer it for a few seconds. But if I were doing a long pull, I'd probably wait till it's around 200F.

[McPurrs]

I wait until my dash temp reads "ok".