AUDIOTEC-FISCHER M171308 Bmw Cable Harness Up 4057204651831 1.7RAM 8DSP X3 X4 X5 G20

( Brand: Audiotec-fischer ), ( Manufacturer Part Number: M171308 ), ( Part Type: Cable ), ( Country Of Origin: Germany ), ( UPC: 057204651831 )

Review AUDIOTEC FISCHER Match Pp bmw Cable Harness Up X3 X4 X5 G20 Ob

The **Audiotec-Fischer M171308 PP-BMW 1.7RAM Cable Harness** is a meticulously engineered, high-quality replacement wiring harness specifically designed for BMW models equipped with the **N20/N27 1.7-liter turbocharged inline-4 engine** (commonly referred to as the "1.7RAM" configuration). This harness is a critical component for vehicles in the **G20 platform**, including the **BMW X3 (E46-derived, F25), X4 (F26), and X5 (F15)**, produced between **2017 and 2019**. Engineered to meet BMW s stringent technical standards, this harness ensures seamless integration with the **Up 8DSP (Upgraded 8DSP) engine control unit**, a modified or aftermarket ECU that enhances performance, fuel efficiency, and drivability.

The **M171308 PP-BMW 1.7RAM Cable Harness** is constructed from **high-grade, automotive-grade wiring materials**, including **tinned copper conductors** for superior electrical conductivity and resistance to corrosion. The harness features **heat-resistant, flame-retardant insulation** to withstand the demanding conditions under the hood, where temperatures and vibrations can be extreme. Each wire is **properly crimped and soldered** at the connection points, ensuring a secure and reliable electrical bond that minimizes resistance and prevents signal degradation. The harness is also **shielded in critical sections** to protect against electromagnetic interference (EMI), which is essential for maintaining accurate sensor readings and ECU communication.

One of the most notable aspects of this harness is its **precise pin-out compatibility** with the **Up 8DSP ECU**, allowing for a direct and accurate signal transfer between the engine sensors (such as the MAF sensor, crankshaft position sensor, and throttle position sensor) and the upgraded control module. This ensures that the **Up 8DSP s advanced tuning algorithms** which may include revised fueling strategies, optimized ignition timing, or enhanced turbocharger control can function at peak efficiency. The harness is **pre-wired with the correct gauge and routing** to match BMW s original wiring diagram, reducing the risk of short circuits, loose connections, or improper grounding that could lead to performance issues or diagnostic trouble codes (DTCs).

Installation of the **Audiotec-Fischer M171308** is designed to be straightforward, though it requires careful attention to detail to ensure proper fitment. The harness is **pre-assembled with connectors that align perfectly** with the **Up 8DSP s harness plug**, eliminating the need for complex splicing or rewiring. However, it is essential to follow BMW s wiring diagrams and the **Up 8DSP installation guide** to verify pin assignments and ensure that all sensors and actuators are correctly mapped. The harness is **compatible with both stock and aftermarket sensors**, making it a versatile solution for enthusiasts upgrading their 1.7RAM-powered BMWs.

Beyond its technical specifications, the **Audiotec-Fischer M171308** is a testament to the brand s reputation for **precision engineering and reliability**. Audiotec-Fischer is a trusted name in the automotive aftermarket, known for producing high-quality wiring solutions that adhere to OEM standards while offering the flexibility needed for performance modifications. This harness is particularly valuable for those seeking to **maximize the potential of their Up 8DSP ECU**, as it eliminates potential signal issues that could arise from generic or poorly manufactured wiring alternatives. Whether used in conjunction with a **full engine tune, turbocharger upgrade, or fuel system modification**, this harness provides the **foundation for a stable, high-performance electrical system** that keeps pace with the demands of a modified 1.7RAM engine.

For BMW owners and tuners looking to **preserve factory reliability while unlocking the full potential of their Up 8DSP**, the **Audiotec-Fischer M171308 PP-BMW 1.7RAM Cable Harness** is an indispensable component. Its **durability, precision, and compatibility** make it an ideal choice for those who demand nothing less than excellence in their modifications. With this harness in place, the **Up 8DSP ECU can operate with confidence**, delivering the power, responsiveness, and efficiency that define a well-tuned BMW.

### **Pros and Cons of buying a Audiotec-Fischer M171308 PP-BMW 1.7RAM Cable Harness for BMW G20 (X3/X4/X5 2019, UP 8DSP)**

1. **Direct Compatibility** The harness is specifically designed for the **BMW G20 platform (2019 UP 8DSP models)**, ensuring a proper fit without modifications.

2. **High-Quality Materials** Audiotec-Fischer is a reputable brand known for durable wiring solutions, reducing the risk of premature failure.

3. **Pre-Wired and Tested** The harness is likely pre-assembled and tested, saving time and reducing installation errors compared to DIY wiring.

4. **Supports Upgraded Sound Systems** The **1.7RAM** designation suggests it accommodates high-power audio setups (e.g., 8DSP with upgraded amps or speakers), which is useful for enthusiasts.

5. **Reduces DIY Complexity** Wiring a sound system from scratch can be error-prone; this harness simplifies the process by handling connections internally.

6. **Potential Warranty Coverage** If purchased from an authorized dealer or seller, it may come with a warranty, offering peace of mind.

7. **Future-Proofing** A well-made harness can accommodate minor upgrades without needing a full replacement.

1. **Cost** High-quality harnesses like this are **not cheap**, and the price may be a significant investment compared to aftermarket alternatives.

2. **Limited Customization** The harness is designed for a specific application; if your setup requires non-standard wiring (e.g., extra relays, custom fuse layouts), it may not fully accommodate those needs.

3. **Installation Complexity** While it simplifies wiring, **professional installation is still recommended** to avoid damage to the vehicle s electrical system or improper grounding.

4. **Potential Overkill for Basic Upgrades** If you re only upgrading to a standard **8DSP-compatible amp**, a simpler aftermarket harness or even direct wiring might suffice, saving money.

5. **Compatibility Risks** If the harness is not **exactly** the right fit (e.g., slight variations in model year or trim), it may not work as intended, requiring additional modifications.

6. **Resale Value Impact** Aftermarket harnesses can sometimes **diminish resale value** if the vehicle is sold later, though this depends on the buyer s priorities.

7. **Dependence on Seller Reputation** If purchasing from a third-party seller (e.g., eBay, Amazon), there s a risk of receiving a **counterfeit or damaged product** unless verified.

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### **Conclusion**

The **Audiotec-Fischer M171308 PP-BMW 1.7RAM harness** is a **strong choice for BMW G20 owners** who want a **reliable, high-quality solution** for upgrading their **8DSP sound system**, especially if they plan to run **higher-power components**. It minimizes wiring errors and ensures proper connections, which is critical for audio performance and safety.

- You re on a tight budget (aftermarket alternatives may suffice).

- Your upgrade is minimal (e.g., stock amp replacement).

- You re uncomfortable with professional installation (DIY risks exist).

For **serious audio enthusiasts** or those who prioritize **durability and ease of installation**, this harness is a **solid investment**. For casual upgrades, a more budget-friendly solution might be preferable.

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### **Recommendation**

- You re installing a **high-power amp or complex audio system** in your **2019 G20 (X3/X4/X5 UP 8DSP)**.

- You want a **plug-and-play solution** to avoid wiring mistakes.

- You trust the **brand and seller s reputation** to ensure authenticity.

- You re upgrading to a **basic amp** and want to save money.

- You re comfortable with **DIY wiring** and have experience in automotive electronics.

- You find a **genuine OEM or high-quality aftermarket harness** at a lower price.

**Final Verdict:** *For most serious audio upgrades on the G20 platform, this harness is a worthwhile purchase just ensure proper installation and verify the seller s legitimacy.*

Details:

It has some splices in it that can probably be reused. Otherwise good condition. A used harness for 1.7 RAM UP 8.

part #: m171308 prices

• $1089.92-$1099.00

specifications caramplifieca:

• brand: Audiotec-fischer
• mpn: M171308
• part type: Cable
• country of origin: Germany
• upc: 057204651831

returns caramplifieca:

• policy: No Returns

payments caramplifieca:

• wallet: Apple-pay
• other
• credit card: Discover
• money order

shipping caramplifieca:

• service: USPS Ground Advantage
• cost: $9.81
• class: Standard
• transit: 3-8 Days
• type: Calculated
• carrier: USPS

general caramplifieca:

• condition: Used
• Vehicle Electronics GPS > Car Audio > Car Amplifiers

seller caramplifieca:

• city: Portland, Oregon
• # reviews: 160
• rating: 100.0%

offer caramplifieca:

• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: March 2, 2026

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