BMW 535d xDrive Speaker Size

Center Dash Speaker

Front Door Panel Speaker

Rear Door Panel Speaker

Rear Deck Lid Speaker

Below Seats Speaker

BMW 535d xDrive Speaker FAQ

Which speakers should I replace first in my BMW 535d xDrive for the biggest sound improvement?

Start with the front door panel 4 inch component speakers. These handle most of your music's midrange frequencies and vocals - replacing them typically delivers the most noticeable upgrade. The front tweeters work alongside these, so you might want to replace both together for balanced sound staging. Skip the rear speakers initially unless you carry passengers frequently. The 8 inch subwoofer below the seats can wait since it's probably already decent for bass in the BMW 535d xDrive.

What's the difference between the coaxial and component speakers in my BMW 535d xDrive?

Component speakers separate the tweeter from the main driver - that's why you see separate 1 inch tweeters and 4 inch speakers in the front doors. This usually sounds better because each driver can focus on its frequency range. The rear door and center dash use coaxial full-range speakers where the tweeter sits mounted on the main cone. Coaxials are simpler but components generally offer better sound separation and imaging. Power handling varies but expect around 20-50 watts RMS for most 4 inch aftermarket options.

Can I upgrade just the tweeters without touching the main speakers?

You could replace just the 1 inch tweeters, but it might create tonal imbalance. The original tweeters are designed to match the frequency response of the factory 4 inch drivers. New tweeters might be brighter or have different crossover points - around 3-4kHz typically. If your BMW 535d xDrive tweeters are blown or distorted, then yes, replace them. Otherwise, upgrade the whole component set together. Some people report good results with just tweeter swaps, though the improvement might be subtle compared to full speaker replacement.

What impedance should I look for when replacing BMW 535d xDrive speakers?

Most factory BMW speakers run at 4 ohms, so stick with 4 ohm replacements for proper power matching. The amplifier expects this load impedance. Using 8 ohm speakers will reduce power output - maybe half the watts. Lower impedance like 2 ohms might stress the amp, especially if you're running multiple speakers. Check your specific model though, some premium audio systems use different impedances. The 8 inch subwoofer below seats might be different from the 4 inch door speakers.

Are the rear deck lid speakers worth upgrading in my BMW 535d xDrive?

The rear deck speakers mainly provide rear fill and ambient sound. They're less critical than front speakers for daily listening. However, if you want full surround sound or carry rear passengers often, upgrading them makes sense. The rear deck location can be tricky for bass response - the 4 inch drivers there probably focus on mid and high frequencies anyway. Consider your listening priorities first. Front door components will give you more bang for your buck in most cases.