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BMW 328i Interior Sound System Parts

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DSP Amplifier

ES#256169 - 65129181743 - DSP Amplifier - Located in the trunk - Genuine BMW - BMW

Located in the trunk affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
256169
Mfg#:
65129181743
Ships in 5 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1953.99

This product was last offered at the strikethrough price on
06-14-2026

$1880.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Harman Kardon Amplifier

ES#1929772 - 65129218086 - Harman Kardon Amplifier - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1929772
Mfg#:
65129218086
Ships in 7 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1953.99

This product was last offered at the strikethrough price on
06-14-2026

$1880.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BavSound Ghost BMW Underseat Subwoofers V2 - 8 Ohm

ES#4266115 - GUSW.8O - BavSound Ghost BMW Underseat Subwoofers V2 - 8 Ohm - This Subwoofer upgrade from BavSound includes a pair of new and improved 8 ohm subwoofers that provide superb bass quality. - BavSound - BMW

This Subwoofer upgrade from BavSound includes a pair of new and improved 8 ohm subwoofers that provide superb bass quality. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S688A Harman Kardon audio or S677A DSP audio
For Vehicles equipped with Harmon Kardon Audio

Brand:
BavSound - Corporate Logo
ES#:
4266115
Mfg#:
GUSW.8O
Ships in 4 Business Days
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bluetooth accessory kit

ES#4464307 - AGA-ASC-BT35 - Bluetooth accessory kit - Add Bluetooth to your car if it doesn't have it. - AGA Tools - BMW

Add Bluetooth to your car if it doesn't have it. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4464307
Mfg#:
AGA-ASC-BT35
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wireless CarPlay/Android Auto Retrofit Module - CCC

ES#4493828 - 001954LA02-04 - Wireless CarPlay/Android Auto Retrofit Module - CCC - Plug & Play interface to add Apple CarPlay and Android Auto to your factory infotainment system - Bremmen Parts - BMW MINI

Plug & Play interface to add Apple CarPlay and Android Auto to your factory infotainment system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CCC iDrive Professional Navigation (iDrive 2.0)

Brand:
Bremmen Parts - Corporate Logo
ES#:
4493828
Mfg#:
001954LA02-04
Ships on Aug 19, 2026
Auto Notify
ON SALE!
$403.99

This product was last offered at the strikethrough price on
05-02-2026

$391.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Storage Compartment - Includes Cover

ES#86654 - 51168202188 - Storage Compartment - Includes Cover - Located above the heated seat and DSC controls - Genuine BMW - BMW

Located above the heated seat and DSC controls affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
86654
Mfg#:
51168202188
In Stock
$93.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

USB / Auxiliary Input Socket

ES#2194689 - 84109237653 - USB / Auxiliary Input Socket - Provides audio connection to external devices via auxiliary port - Socket only - Genuine BMW - BMW MINI

Provides audio connection to external devices via auxiliary port - Socket only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2194689
Mfg#:
84109237653
In Stock
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$91.99

This product was last offered at the strikethrough price on
06-14-2026

$85.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

12.3" Android Multimedia System - With CarPlay & Android Auto

ES#4817909 - OW-B66342L-LNB - 12.3" Android Multimedia System - With CarPlay & Android Auto - Features an 8-core processor running Android 13.0 making it one powerful plug and play radio upgrade! Now features wireless CarPlay and Android Auto! - Bremmen Parts - BMW

Features an 8-core processor running Android 13.0 making it one powerful plug and play radio upgrade! Now features wireless CarPlay and Android Auto! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Requires Cutting Dashboard - Template Included
Only for Vehicles Without Original I-Drive Screen

Brand:
Bremmen Parts - Corporate Logo
ES#:
4817909
Mfg#:
OW-B66342L-LNB
Ships on Oct 9, 2026
ON SALE!
$695.00

This product was last offered at the strikethrough price on
05-02-2026

$674.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BavSound Speaker Upgrade - F30/F31/F34/F80

ES#4266139 - S1.F30F80.Hi-Fi - BavSound Speaker Upgrade - F30/F31/F34/F80 - BavSound speakers are meticulously tuned for your BMW, and provide exceptional clarity, detail, and richness. - BavSound - BMW

BavSound speakers are meticulously tuned for your BMW, and provide exceptional clarity, detail, and richness. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles equipped with Hi-Fi speakers

Brand:
BavSound - Corporate Logo
ES#:
4266139
Mfg#:
S1.F30F80.HI-FI
Ships in 10 Business Days
$649.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VDO Headunit Wiring Harness

ES#3619860 - AC1111/330 - VDO Headunit Wiring Harness - Includes connector from headunit and pigtail - Continental - BMW MINI Porsche

Includes connector from headunit and pigtail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3619860
Mfg#:
AC1111/330
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E91 antenna amplifier

ES#262770 - 65209193843 - E91 antenna amplifier - found in the rear hatch headliner - Genuine BMW - BMW

found in the rear hatch headliner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
262770
Mfg#:
65209193843
Ships in 5 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$444.99

This product was last offered at the strikethrough price on
06-14-2026

$430.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E36 BavSound Speaker Upgrade - E36 Coupe/Sedan

ES#4266119 - S1.E36.HIFI.CS - E36 BavSound Speaker Upgrade - E36 Coupe/Sedan - BavSound speakers are meticulously tuned for your BMW, and provide exceptional clarity, detail, and richness. - BavSound - BMW

BavSound speakers are meticulously tuned for your BMW, and provide exceptional clarity, detail, and richness. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles equipped with Hi-Fi speakers
Does not Fit Convertible Models

Brand:
BavSound - Corporate Logo
ES#:
4266119
Mfg#:
S1.E36.HIFI.CS
Ships on Jun 30, 2026
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combox Module

ES#3173153 - 84102447926 - Combox Module - Controls in car entertainment systems - Genuine BMW - BMW

Controls in car entertainment systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3173153
Mfg#:
84102447926
Ships in 5 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1175.99

This product was last offered at the strikethrough price on
06-14-2026

$1144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

COMBOX FOR TELEMATIC

ES#3173155 - 84102447928 - COMBOX FOR TELEMATIC - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3173155
Mfg#:
84102447928
Ships in 7 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1175.99

This product was last offered at the strikethrough price on
06-14-2026

$1144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Satellite Radio Unit

ES#4362048 - 65129278266KT - Satellite Radio Unit - Price includes $94.35 core charge - Genuine BMW - BMW MINI

Price includes $94.35 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2009

Brand:
Genuine BMW - Corporate Logo
ES#:
4362048
Mfg#:
65129278266KT
Ships on Jul 1, 2026
$1132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HIFI Midrange Speaker - Priced Each

ES#181556 - 65136945411 - HIFI Midrange Speaker - Priced Each - Located in front door panel - Genuine BMW - BMW

Located in front door panel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
181556
Mfg#:
65136945411
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$90.99

This product was last offered at the strikethrough price on
06-14-2026

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Interior Sound System Parts

Replace blown speakers and amplifiers or upgrade head units to premium models to turn your car into a concert hall on wheels with sound system parts and sound system accessories.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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