STEG Direct Fit BM4 – Two-Way 4" Car Audio Coaxial Speaker Set
STEG Direct Fit BM4 – Two-Way 4" Car Audio Coaxial Speaker Set is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Order processing time
In stock items
Orders for in-stock items are processed within 1 – 5 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped.
Pre-order
If you have placed an order for a pre-order item, please note that your order will not be processed until the release date of the product. We will process your order and ship it to you as soon as the product becomes available.
For any questions or concerns about your pre-order feel free to contact us at any time.
Items availability
If you have ordered multiple items, including pre-order items, we will hold your order until all items are available for shipment. If you wish to receive your in-stock items sooner, please place a separate order for those items.
We may cancel your order if the item(s) is out-of-stock and is no longer available. You will receive an email if your complete order is canceled.
In the situation that part of your order is out-of-stock, we will remove the out-of-stock item(s) from your order and we will ship the remaining item(s). You will not be charged for out-of-stock items ordered, and will be informed by an email notification.
If any items in your order require customization or are on backorder, we will contact you with an estimated delivery date.
Tracking your order
Once your order has been shipped, you will receive a shipping confirmation email with a tracking number. You can use the tracking number to monitor the status of your shipment.
STEG Direct Fit BM4 – Two-Way 4" Car Audio Coaxial Speaker Set
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STEG Direct Fit BM4 – Two-Way 4" Car Audio Coaxial Speaker Set
Upgrade your BMW sound system with the STEG Direct Fit BM4, a 4” 2-way coaxial speaker set engineered in Italy for seamless OEM integration and authentic hi-fi clarity. Designed specifically for BMW factory locations, this Plug & Play system delivers a dramatic improvement in precision, depth, and tonal balance — all while maintaining your car’s original interior and wiring.
Key Features
- 4" 2-Way Coaxial System – Integrated midrange and tweeter for balanced, dynamic sound
- Power Handling: 40W RMS / 80W Max
- Frequency Response: 80 Hz – 23,000 Hz
- Sensitivity: 89.5 dB | Impedance: 3.5 Ω
- Premium Materials – Aluminium-magnesium cone, rubber surround, and neodymium magnet
- Plug & Play Fitment – Designed for BMW OEM mounting points, no cutting or rewiring required
- Compact & Efficient Design – Perfect match for factory head units or DSP amplifiers
- Made in Italy – Crafted for long-lasting performance and acoustic refinement
Precision Italian Engineering
The STEG BM4 represents the perfect harmony between performance and practicality. Built under STEG’s Direct Fitphilosophy, it combines compact design with exceptional musical accuracy.
Each driver features a lightweight aluminium-magnesium cone for responsiveness, a rubber surround for control and durability, and a neodymium magnet for high efficiency in tight OEM spaces.
This system reproduces midrange tones with warmth and presence, while the integrated tweeter adds brightness and clarity to vocals and instruments — transforming your BMW interior into a high-fidelity sound environment.
📦 Available for shipping Australia-wide or expert installation at MC Audio Sydney.
