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Polk Audio DB5252 (DB 5252)

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

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600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" dual Silk Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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Free or discounted install kits when available.

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4
List price $209.99
-5% $200.00 /set

In stock

Only 2 Left!

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

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270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

additional information required
Fits select locations in your 335i.
Add vehicle details to confirm exact location.
4
List price $99.99
-10% $90.00 /pair

In stock

Polk Audio DB522 (DB 522)

600W Peak (200W RMS) 5.25" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

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600W Peak (200W RMS) 5.25" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome tweeters
• UV-tolerant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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Free or discounted install kits when available.

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Add details to confirm fitment.
13
List price $109.99
-9% $100.00 /pair

In stock

Polk Audio MM522 (MM 522) (Open Box, Good)

480W Peak (160W RMS) 5.25" Mobile Monitor Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

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480W Peak (160W RMS) 5.25" Mobile Monitor Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" Terylene Dome tweeters
• Titanium-plated Polymer cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Free or discounted install kits when available.

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Add details to confirm fitment.
List price $199.99
-46% $107.40 /pair

In stock

Only 1 Left!

• 240 watts Peak Each, 80 watts RMS Each
• 1" Terylene Dome tweeters
• Titanium-plated Polymer cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Polk Audio 5.25" 300W Car/Marine ATV Speakers, Pair + 5.25" 225W Speakers, Pair

600W Peak (200W RMS) 5.25" DB+ Series 2-way Marine/UTV Certified Coaxial Speakers with IP55 Rating for Car, Powersports or Marine Audio Package

46CSC54,DB 522 big
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600W Peak (200W RMS) 5.25" DB+ Series 2-way Marine/UTV Certified Coaxial Speakers with IP55 Rating for Car, Powersports or Marine Audio Package

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
19
List price $229.98
-29% $163.54

In stock

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

Polk Audio DB402 Two Pack (DB 402)

Two Pair of 4" 2-way DB+ (Plus) Series Coaxial Car Audio Speakers with Marine/ATV/UTV Certification

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Two Pair of 4" 2-way DB+ (Plus) Series Coaxial Car Audio Speakers with Marine/ATV/UTV Certification

• Two Pair (4 Speakers)
• 135 Watts Max Each, 45 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 1.79"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
additional information required
Fits select locations in your 335i.
Add vehicle details to confirm exact location.
5
List price $199.98
-10% $180.00

In stock

• Two Pair (4 Speakers)
• 135 Watts Max Each, 45 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 1.79"

Polk Audio 5.25" 300W Speakers, Pair + Kicker 5.25" 200W Speakers, Pair

600W Peak (200W RMS) 5.25" DB+ Series 2-way Marine/UTV Certified Coaxial Speakers with IP55 Rating for Car, Powersports or Marine Audio Package

43DSC504, DB522 big
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600W Peak (200W RMS) 5.25" DB+ Series 2-way Marine/UTV Certified Coaxial Speakers with IP55 Rating for Car, Powersports or Marine Audio Package

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
30
List price $194.98
-24% $149.07

In stock

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

Polk Audio DB522 (2-Pairs, 4-Total)

1200W Peak (400W RMS) 5.25" DB+ Series 2-way Car and Marine Certified Coaxial Speakers (2-Pairs)

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1200W Peak (400W RMS) 5.25" DB+ Series 2-way Car and Marine Certified Coaxial Speakers (2-Pairs)

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
13
List price $219.98
-25% $166.00

In stock

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Polk Audio DB5252 DB+ 5.25-inch Components (DB 5252) (2-Pairs, 4-Total)

1200WPeak (400W RMS) 5.25” DB+ Series 2-way Car & Marine Component Speaker System (2-Pairs)

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1200WPeak (400W RMS) 5.25” DB+ Series 2-way Car & Marine Component Speaker System (2-Pairs)

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
4
List price $419.98
-19% $340.00

In stock

Only 1 Left!

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Polk Audio DB5252 with Sound Dampening

600W Peak (300W RMS) 5.25" 2-Way Marine Grade Component Speakers (Pair) + SDSK2 Speaker Sound Dampening Kit - Two 10" x 10" Pieces

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600W Peak (300W RMS) 5.25" 2-Way Marine Grade Component Speakers (Pair) + SDSK2 Speaker Sound Dampening Kit - Two 10" x 10" Pieces

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.77"
• IP65 rated

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Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
50
List price $228.73
-13% $200.00 /set

In stock

Only 2 Left!

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.77"
• IP65 rated

Polk Audio DB522 with Sound Damping

600W Peak (200W RMS) 5.25" DB+ Series 2-way Marine Coaxial Speakers with Sound Dampening

SDSK2,DB 522 big
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600W Peak (200W RMS) 5.25" DB+ Series 2-way Marine Coaxial Speakers with Sound Dampening

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
60
List price $128.73
-14% $111.24 /pair

In stock

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

Polk Audio 5.25" Coaxial Speakers with Speaker Installation Kit

600W Peak (300W RMS) 5.25" 2-Way Marine Grade Coaxial Speakers with SDSK2 Speaker Sound Dampening Kit - Two 10" x 10" Pieces

SDSK2,DB 522 big
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600W Peak (300W RMS) 5.25" 2-Way Marine Grade Coaxial Speakers with SDSK2 Speaker Sound Dampening Kit - Two 10" x 10" Pieces

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Free or discounted install kits when available.

Fits select models only.
Add details to confirm fitment.
59
List price $128.73
-15% $109.69 /pair

In stock

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

Polk Audio DB402 with Sound Dampening Kit

270W Peak (90W RMS) 4" 2-way Coaxial Speakers with Sound Dampening

SDSK2,DB402 big
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270W Peak (90W RMS) 4" 2-way Coaxial Speakers with Sound Dampening

• 135 Watts Max Each, 45 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 1.79"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 335i.
Add vehicle details to confirm exact location.
50
List price $118.73
-24% $90.00 /pair

In stock

• 135 Watts Max Each, 45 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 90dB
• Mounting Depth: 1.79"

Polk Audio DB402 DB+ with Installation Accessories

90W RMS 4" 2-way Car & Marine Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

DB402, FRING4, SDSK2, SDRLR1, BTK106 big
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90W RMS 4" 2-way Car & Marine Coaxial Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

additional information required
Fits select locations in your 335i.
Add vehicle details to confirm exact location.
146
List price $171.70
-26% $126.36 /pair

In stock

• 135 watts Peak Each, 45 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

6 Pack: Polk Audio DB522 5.25" Car/Marine/ATV Speakers (12 Speakers)

6 Pairs (12 total speakers) 5.25 Inch 300 Watt 2 Way Car/Marine ATV Stereo Speakers Pair (6 Pack)

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6 Pairs (12 total speakers) 5.25 Inch 300 Watt 2 Way Car/Marine ATV Stereo Speakers Pair (6 Pack)

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
13
List price $659.94
-25% $498.00

In stock

Only 1 Left!

• 300 Watts Max Each, 100 Watts RMS Each
• 0.75" shallow tweeter design
• Polypropylene UV tolerant cone
• 4 Ohm Impedance
• Sensitivity: 91dB
• Mounting Depth: 1.74"

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    FAQ for Speakers in 2011 335i

    Q: Can I upgrade or change the Speakers in 2011 BMW 335i?

    A: Yes this page includes all the best Speakers that work in your 335i.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.