Why have heater on while on track - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)

BMWbab1 · 08-29-2012, 08:09 PM

A bunch of people have told me that they turn their heater on while on track to keep temps down. Does this really do anything and if so what and how? Thanks!

pixelblue · 08-29-2012, 08:24 PM

it's a means of dissipating heat through the heat exchanger. should be worth a few degrees. I've run full heat on a 100+ day. wasn't fun but I had shut the two center vents and directed the two side vents towards the open windows.

joeo · 08-29-2012, 10:07 PM

I've had it help - was going into some sort of limp mode (1/2 filled engine), but after running the heat during the next 7 sessions - no problems. Now I always run the heat during track events. I just close the center vents, and let it blow out the windows.

Focusedintntions · 08-30-2012, 01:24 PM

Interesting...with the N55 i've never had to do this

joeo · 08-30-2012, 02:16 PM

Probably because it's making less power.
ZING!

pixelblue · 08-30-2012, 03:00 PM

or he's not pushing as hard

GaryS · 08-30-2012, 04:01 PM

Around 35 years ago, I owned a little Fiat 124 Spyder that had overheating problems on hot days. It also had a little dealer-installed A/C. So on sunny days, I'd run the heater with the convertible top down, and on rainy days, I'd run the heater to cool the engine and the A/C to cool me.

IS+1 · 08-30-2012, 09:05 PM

Quote:

Originally Posted by joeo

Probably because it's making less power.
ZING!

Well played!!! I have an N55 yet I couldn't help but laugh at that.

DriveHard · 09-03-2012, 06:29 PM

Had a bmw engineer at my last event and he asked the same question..

less heat = more power.. BMW DME does wierd things.. I also run heat to passanger vent and close center vents ... no harm no foul.. seems as though it cant hurt anything ..

ASPEC135i · 10-15-2012, 02:26 PM

Well noted for next time I'm on the track

andybui82 · 10-15-2012, 02:46 PM

Quote:

Originally Posted by joeo

Probably because it's making less power.
ZING!

lolol! that was hilarious

08-29-2012, 08:09 PM	#1
BMWbab1 Private Drives: 135i Join Date: Aug 2010 Location: US Posts: 86 iTrader: (2)	Why have heater on while on track A bunch of people have told me that they turn their heater on while on track to keep temps down. Does this really do anything and if so what and how? Thanks!
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08-29-2012, 08:24 PM	#2
pixelblue Colonel Drives: the silver bullet Join Date: Feb 2010 Location: northern virginia Posts: 2,196 iTrader: (2) Garage List 2010 135i [4.37]	it's a means of dissipating heat through the heat exchanger. should be worth a few degrees. I've run full heat on a 100+ day. wasn't fun but I had shut the two center vents and directed the two side vents towards the open windows. __________________ "I would quote everything pixelblue said, but you've already read it. Take it from someone who's put the 1 through its paces"

08-30-2012, 01:24 PM	#4
Focusedintntions Colonel Drives: 2011 135i M-Sport :D Join Date: Nov 2010 Location: NoVA Posts: 2,582 iTrader: (1)	Interesting...with the N55 i've never had to do this __________________ Faster, faster, faster, until the thrill of speed overcomes the fear of death… – Hunter Thompson

08-30-2012, 03:00 PM	#6
pixelblue Colonel Drives: the silver bullet Join Date: Feb 2010 Location: northern virginia Posts: 2,196 iTrader: (2) Garage List 2010 135i [4.37]	or he's not pushing as hard __________________ "I would quote everything pixelblue said, but you've already read it. Take it from someone who's put the 1 through its paces"

09-03-2012, 06:29 PM	#9
DriveHard Lieutenant Colonel Drives: 128i M-Sport Join Date: Aug 2010 Location: Long Island Posts: 1,917 iTrader: (0)	Had a bmw engineer at my last event and he asked the same question.. less heat = more power.. BMW DME does wierd things.. I also run heat to passanger vent and close center vents ... no harm no foul.. seems as though it cant hurt anything .. __________________ '11 128i M-Sport Pkg, Sport Susp., 6AT w/paddles, BMW Perf CAI,Charcoal Filter Delete, BMW Perf. Big Brake Kit, BMW Perf. Exhaust, Ferodo 2500's, Titanium shims,135 trunk lip, BMS-PBX Box-Map 3, Castrol RBF600 ,e93 FSB, , f30 Backing Plates,GC Camber Plates, Hankook RS-3's (Track setup)

08-29-2012, 10:07 PM	#3
joeo Second Lieutenant Drives: 2009 Crimson Red 135i Join Date: Mar 2008 Location: Sterling, Va Posts: 260 iTrader: (0) Garage List 2009 BMM 135i [4.75]	I've had it help - was going into some sort of limp mode (1/2 filled engine), but after running the heat during the next 7 sessions - no problems. Now I always run the heat during track events. I just close the center vents, and let it blow out the windows.

08-30-2012, 02:16 PM	#5
joeo Second Lieutenant Drives: 2009 Crimson Red 135i Join Date: Mar 2008 Location: Sterling, Va Posts: 260 iTrader: (0) Garage List 2009 BMM 135i [4.75]	Probably because it's making less power. ZING!

08-30-2012, 04:01 PM	#7
GaryS Colonel Drives: 2009 135i 6MT Join Date: Feb 2010 Location: Maryland Posts: 2,076 iTrader: (0) Garage List 2009 135i [3.25]	Around 35 years ago, I owned a little Fiat 124 Spyder that had overheating problems on hot days. It also had a little dealer-installed A/C. So on sunny days, I'd run the heater with the convertible top down, and on rainy days, I'd run the heater to cool the engine and the A/C to cool me.

10-15-2012, 02:26 PM	#10
ASPEC135i Private First Class Drives: sideways always Join Date: Oct 2012 Location: location, location Posts: 162 iTrader: (0)	Well noted for next time I'm on the track

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