102993 Bosch or OEM ?
the price difference 10$ vs 55$
is it a critical difference for my 2004 xc70 ?
any other brand price suggestion?
https://www.ipdusa.com/products/4876/113440-spark-plug-set-genuine-volvo-8692071


Fine-wire iridium alters the tip projection and combustion characteristics ...

I should maybe re-phrase what I observed. The threaded area on the plug that I removed was longer (and therefore I'd guess has more threads) than the one I put in. I'm not sure if the overall length of the plug differed or not--I didn't bother to look at the two side-by-side.


That's a red flag ...

1. There's no call for a gratuitous insult.

2. Fine-wire iridium alters the tip projection and combustion characteristics compared to OEM platinum, which is why OEM Bosch Platinum Turbo plugs remain the recommended choice for this specific engine, even if iridium plugs seem to work.

3. The ...

I needed to replace the spark plugs in my 2008 S60 2.5T, and I didn't want to spend extra money, so I bought a set of Autolite Iridium XP, thinking iridium is state of the art, so they should be good, right?

They did perform well in the beginning, but after several months I started having rough ...

I was surprised when the mirror glass fell out of the right (passenger) side mirror on my 2008 Volvo S60 without warning, and worried that it would be an expensive repair or replacement of the entire mirror assembly. But I tried a search and was amazed to find that the mirror glass alone was a ...

I'm generally happy with the incandescent interior lights in my 2008 S60 -- I like soft lighting and gradual on/off -- except for the vanity mirror lights, which I find too wimpy to be useful. So my latest LED upgrade was to replace the incandescent vanity mirror bulbs with LED bulbs.

After ...

Super Lube Silicone Grease is not compatible with silicone rubber, some plastics, or many finishes, and removal difficulty is not an asset. It.is great on gaskets, valves, o rings, and electrical connections, but is not a good general purpose automotive lubricant. Super Lube Synthetic Oil With PTFE ...

How about Silicone Grease with PTFE for when the plastic door check gets greasy? https://www.amazon.com/Super-Lube-92003-Lubricating-Translucent/dp/B07BSNY44N/
It's compatible with basically everything (except silicone rubber): http://www.super-lube.com/files/pdfs/Super_Lube_Compatibility_Chart ...

You have at least two problems to solve:
1. Heat dissipation. Bulbs with high output generate a lot of heat that's difficult to get rid of.
2. CAN BUS. Low load of LED bulbs generates CAN BUS errors.
Solutions to these problems tend to be non-trivial. Additional problems may include
size and shape ...

There are a lot of misleading statements on that retailer's FAQ page.
...
In a P2 originally equipped with incandescent bulbs, a similar circuit would exist inside the CEM or REM. But instead of directly lighting a warning lamp, the output of this analog circuit, labeled "LED 1 (Red)" triggers an ...