











Alpine SPC-2045ABMW-HR Premium Complete Sound System for BMW G-Series Models
- Stock Availability: Special Order (Contact Us)
- Item Condition : New
- Model: SPC-2045ABMW-HR
- SKU: SPC-2045ABMW-HR
- 1 Year Warranty
- Description
- Vehicle Compatibility
- Installation
- Specifications
- User Manuals
- Reviews
- Product Related Question?
Alpine Premium Sound System Door speakers, Under-seat subwoofers & 12-channel Sound Audio Processor for BMW G-Series Models
Experience sound like never before! Our exclusive sound system is specially designed for BMW G-Series models with RAM (Radio Amplifier Module). It seamlessly integrates with your factory audio system, unlocking the full potential of your BMW with crystal-clear highs, deep bass, and an immersive soundstage.
Precisely tuned for the factory RAM system, our solution delivers maximum performance without complex modifications. Plug & Play – for an effortless upgrade that takes your driving experience to the next level!
The High-end tweeters let you hear every note with stunning clarity and fast dynamics, while the 10 cm optional centre speaker (DP2-40C-BC) and the included 12 cm mid-range door speakers produce a wide frequency range that uncovers the rich details of every audio track – delivering your favourite songs with powerful mid-bass and amazing texture and accuracy.
The also included under-seat subwoofers use the original space of the OEM subwoofers under the seats of your BMW and complement the Alpine Premium Sound System with powerful bass.
Perfect Harmony – All components are perfectly matched for an unparalleled audio experience
Upgrade your BMW driving experience with a sound system that leaves nothing to be desired. Premium sound – perfectly integrated! Noticeably more powerful, clearer, and more detailed sound than with OEM sound system. Enhanced sound quality without altering your car’s design.
Under-seat subwoofer: Perfect integration into BMW sound systems
The DP2-80WF-B fits perfectly under your BMW seats in the floor and utilises the original space of the OEM subwoofers.
Perfect Sound Without Compromise – Door Speakers for BMW
Experience outstanding sound with our DP2-45C-B specially designed BMW Door Speakers! Engineered to fit your vehicle perfectly, these high-performance speakers install effortlessly into the factory speaker locations – no drilling, no visible modifications, just pure sound quality.
Optional Center Speaker: Easy Integration with BMW Sound Systems
Integrating the optional DP2-40C-BC into your BMW couldn’t be easier, the speaker and the tweeter fit perfectly into the centre. Alpine ensures compatibility with selected BMW vehicles making the installation process hassle-free. Designed with plug-and-play functionality, it fits seamlessly into the existing setup, allowing for a quick and effortless upgrade to your car’s sound system.
Exclusive HAMR Surround
Alpine’s High Amplitude Multi-Roll (HAMR) surround provides a greater maximum and linear cone excursion for high SPL. The HAMR surround maintains full control over the cone at any excursion stage for powerful bass and pure sound.
Woven Carbon Fibre Diaphragm
The woven carbon fibre hybrid woofer diaphragm provides bullet-proof rigidity and is lightweight, this ensures accurate cone velocity and limits distortion to achieve a natural and highly revealing mid-range response, as well as powerful bass extension. The appearance of this loudspeaker is incredible with performance to match.
Tetoron Soft Dome Tweeter
The Alpine Tetoron soft dome tweeter guarantees exceptional performance. It’s lightweight, durable, and boasts a wide frequency response to capture every detail of the audio spectrum, from the subtlest whispers to the most powerful crescendos. Whether you’re listening to classical symphonies, rock anthems, or the latest pop hits, our Tetoron soft dome tweeter delivers a listening experience that is nothing short of extraordinary.
High-performance 12-channel Sound Audio Processor
The Alpine Sound Audio Processor PXE-X120-10DP ads much more power and dynamic to your entire sound system and additionally drives the included speaker system. The Sound Audio Processor is pre-programmed to perfectly match the sound characteristics of the BMW cabin, but can be further adjusted for steering wheel configurations (left or right), radio type and other factors.
Extensive sound tuning functions
Use the built-in 12-band Parametric EQ, digital time correction and digital crossover to tune the sound of your vehicle. You can do the main setup by connecting a PC using the free Alpine sound tuning software or via the optional RUX-C810 wired remote controller.
Alpine's Full Ensemble for BMW sound systems
Alpine recommends the installation of our Full Ensemble for BMW sound systems for a perfect sound environment in your BMW. Experience the benefits of enhanced audio fidelity with Alpine’s BMW speaker systems, bringing every note, beat, and melody to life with precision and depth. Whether you're a casual listener or a true audiophile, these systems offer the versatility and performance needed to satisfy discerning tastes. Not all components shown in the image are part of the kit SPC-2045ABMW-HR.
PXE-X120-10DP - 12-channel Sound Audio Processor, with BMW specific Harness
- Input signals: 12-Channel high level, 2-channel RCA audio, high-definition Bluetooth, optical/coaxial
- Output signals: 10-Channel high level, 2-channel RCA audio
- RMS Power Ratings CH 1-4 into 4 Ohms: 25W RMS x 4 (14.4V at 10% THD)
- RMS Power Ratings CH 5-8 into 4 Ohms: 50W RMS x 4 (14.4V at 10% THD)
- RMS Power Ratings CH 9-10 into 4 Ohms: 100W RMS x 2 (14.4V at 10% THD)
- Power Requirement: 12 V
- Measurements: 250mm x 234mm x 50mm
- Pre-programmed BMW G-Series sound settings with EQ and digital time correction
- Adjustments for LHD or RHD vehicles
DP2-80WF-B - 20 cm (8") under-seat Subwoofers
- Frequency response: 35Hz-500Hz
- Rate Power: 100W RMS
- Peak Power: 200W
- Magnet type : Neodymium
- Cone type : Bullet proof carbon
- Woofer size : 20 cm (8")
DP2-45C-B - 12 cm (4.5") Component 2-Way Door Speakers
- Frequency response: 90Hz-20KHz
- Rate Power: 50W RMS
- Peak Power: 100W
- H.A.M.R surround
- Plug and Play for BMW car
- Cone Material: Woven Carbon Fibre Hybrid
- Magnet Material: Neodymium
- Surround: H.A.M.R Multi-Roll
- Terminals: Gold Plated
- Tweeters Dome Material: Tetoron Soft-Dome
- Tweeters Magnet Material: Neodymium
- Woofer size : 12 cm (4.5")
- Tweeter size: 2.5 cm (1")

Product Compatibility Chart
Make | Model | Variations | Years | Radio | Notes |
BMW | 3 Series |
G20, G21 (Touring) (2019 > ) | 2018 - 2024 | ||
BMW | 3 Series |
| 2020 - 2024 | G80 (M3 Limosine) | |
BMW | 3 Series |
| 2022 - 2024 | G81 (M3 Touring) | |
BMW | 4 Series |
| 2020 - 2024 | G82 (M4 Coupe) | |
BMW | 4 Series |
| 2021 - 2024 | G83 (M4 Cabrio) | |
BMW | 4 Series Convertible |
G23 (2020 > ) | 2020 - 2024 | ||
BMW | 4 Series Coupe |
G22 (2020 > ) | 2020 - 2024 | ||
BMW | 4 Series Gran Coupe |
G26 (2020 > ) | 2021 - 2024 |
Note: The wiring harness fits vehicles that are factory-equipped with the ‘Hifi’ system, code SA676A. If your car is not listed, please ask your local specialist dealer.
If you are unsure of the compatibility, please contact us with the vehicle VIN number and we will verify suitability.
Refer to the included fitting instructions.
If you are unsure at anytime, please contact us via the Ask a question link at the top of this page, The Product Related Question tab or telephone us and we will gladly assist you.
For added peace of mind, our products can be professionally installed at your home or workplace anywhere in the UK by our qualified and accredited network of engineers.
Please contact us for a competitive no obligation quote
Car Speakers | |
Amplifiers | 12-channel Sound Audio Processor |
Component Speakers | 12 cm (4.5") Component 2-Way Door Speakers |
Full Range Speakers | 20cm (8inch) Under seat Subwoofer |