I installed an Optima Yellowtop D35. The D35 is shorter than the Q85, but the terminal cover provided by Optima doubles as a base to increase the batteries height. Great design Optima! Immediately after installing the battery, the "Battery Management System Malfunction" message still displayed. Finally after leaving the car overnight, the message went away on its own. The i-ELOOP system is now functioning as normal.
I have a red top in my XJ and people say the quality has gone down every time Optima is mentioned but I've had nothing but stellar performance from mine. I was about 7 miles in on a trail 2 weeks ago and my alt died. The battery got me back to the main road before it died enough to not run the engine anymore. A little more than an hour back out and some gnarly rock crawling.
I got 7 years out of my 2010 6V Red Top in the Porsche which I replaced with another and recently purchased a 12V Red Top for the Bus. Battery is more expensive than standard but getting 7+ years vs 4 makes it worth while.
The Optima in my Infiniti is 10 years old and still going strong but I've read so many bad things about them recently, I would be hesitant to buy another one.
I have a red top in my 4 motion b6 Passat. I have not had any electrical issues. As long as the optima matches or exceeds the oem battery cca you’ll be fine.
We have one in our 2007 and it has been going strong for almost 7 years.
Saturday morning, we pull up to the house outside of Palmdale to this scene - a beat ass Chevy Celebrity trying to jump start an even more thrashed Nissan Stanza. The battery was fully charged, but it wouldn't start because it was still in 'drive.' After almost burning the thing down with improperly attached jumper cables, we were ready for a test drive. It ran... kinda. It was firing on 3...sometimes 4 cylinders, and the oil was overfilled by about 2 quarts.
Optima batteries are garbage.
My last Optima was outlasted by a Sears Die Hard.
Optima was once a great battery. However a few years back they moved their production and since then its been a nightmare of failures.
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