BMW Driver got New G6 GT Coupe

3775 Views 13 Replies 7 Participants Last post by Artic_07, Mar 18, 2009

BabelFish

Discussion Starter · Mar 11, 2009

Hi guys,

Just bought an 09 G6 GT coupe, black on black w/sun & sound package. I love the car. I have a BMW 535i and wanted another car as a daily driver with firm steering and suspension, at 30% of the price tag... I looked at everything but couldn't find anything close to the G6's appeal, fun-to-drive feel, and features, at that price... I plan to keep this baby for a long long time so I will be posting here a lot... I will post pics soon...

One of my main concerns is Dex-Cool, the notorious GM coolant... I already bought a refractometer and plan on monitoring it closely...more on that to come later...

Cheers

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1 - 14 of 14 Posts

geewhiz

· #2 · Mar 11, 2009

Welcome aboard!

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mrslcom

· #3 · Mar 12, 2009

BabelFish said:
Hi guys,
One of my main concerns is Dex-Cool, the notorious GM coolant... I already bought a refractometer and plan on monitoring it closely...more on that to come later...

Cheers

What's a refractometer?

Change your coolant at least every 5 years and never mix any other coolants except Dex-Cool then you should be fine. Dex-Cool is not compatible with anything else.

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Artic_07

· #4 · Mar 12, 2009

Welcome and what year 535i...?
I work for a BMW dealership.

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08blackgt

· #5 · Mar 16, 2009

Welcome!
Nice choice for a daily, they are a blast to drive.

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G6R

· #6 · Mar 16, 2009

Welcome

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stephcorleone

· #7 · Mar 17, 2009

I would like to start a thread someday that says "G6 GT Driver just bought a BMW 335d" (or BMW M3)

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Artic_07

· #8 · Mar 17, 2009

The new M3 is nice but put the money into a 335i and buy dinan performance, and smoke that v8!!!

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BabelFish

Discussion Starter · #9 · Mar 17, 2009

mrslcom said:
What's a refractometer?

Change your coolant at least every 5 years and never mix any other coolants except Dex-Cool then you should be fine. Dex-Cool is not compatible with anything else.

A refractometer is a device that measures the index of refraction of a liquid. Based on the index of refraction, you can determine the composition of your coolant and its exact freezing and boiling point. I also have a digital multimeter that is another safety test (positive in coolant, negative on body, and voltage should be less than 0.5V, otherwise coolant is bad).

The manufacturer recommends every 5 years but I don't trust that, especially in the extreme cold/heat area I live in. I'm planning on doing it every two years or even earlier based on the two tests above.

The two tests above are essential when you flush your coolant and re-fill it. Due to residues and water stuck in engine block, you need to measure the exact mix to make sure it's 50/50 otherwise you're in for some trouble. The best flushing method is to keep running water (distilled) until no orange residue is left; then add pure dex-cool and measure and then calibrate until you get 50/50 mix. It's a 2-3 hour job but I'm going to do it because I've heard horror stories about dex-cool and sludge and blown gaskets and water pumps, etc...

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