Base sound system

Q: Where do I find option code M490 on my car?

Look on the option sticker in the service/maintenance booklet, the front-trunk data label, or the original window sticker (Monroney label in the US).

On the Porsche 911 997.1 (2005-2008), option code M490 means: Base sound system.

Code: M490 · also 490
Category: Audio
Type: M-code
Model: 911 997.1
Years: 2005-2008
Confidence: High confidence

01Explained

About M-code codes

M-codes (“Mehrausstattung”) are the classic Porsche factory option numbers printed on the build sheet, window sticker and the option sticker in the service book or front trunk. On a 997.1 you will usually find M490 on the option sticker in the service/maintenance booklet, the front-trunk data label, or the original window sticker (Monroney label in the US).

02Confidence

“high”: meaning confirmed by at least two independent public sources. Option meanings can differ between markets and model years.

M490 on other generations

03Related

More audio codes on the 997.1

All 997.1 codes →

M680Bose (or early DSP) sound system upgradeM-code

Verified against kindel.com, porschehangout.com. Description is our own wording.

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