BMW 17128516698 Diesel Exhaust Fluid Injector Hose Line Set 2.0L

( Manufacturer Part Number: 17128516698 ), ( Part Type: Fluid Line Exhaust Injector Hose ), ( Manufacturer Warranty: 30 Day ), ( Tested: Tested, Cleaned And Inspected ), ( Universal Fitment: Direct Replacement )

Review BMW 2.0l Diesel Exhaust Fluid Def Injector Hose Line Set fits X3 2015–2017

The **BMW 17128516698 Exhaust Fluid (DEF) Injector Hose Line Set** for the **2015 2017 BMW X3 (N55 or N20 engine variants with 2.0L diesel)** is a precision-engineered replacement solution designed to maintain optimal functionality within the Selective Catalytic Reduction (SCR) system. This high-quality hose line set ensures proper delivery of AdBlue (DEF) from the fuel tank to the injector, preventing leaks, clogs, or performance degradation that can lead to costly diagnostic trouble codes (DTCs) such as P245A, P245B, or P245C. Crafted from durable, flexible, and corrosion-resistant materials, the hoses are engineered to withstand the harsh conditions of the underhood environment, including exposure to heat, vibration, and chemical exposure from DEF. The set includes all necessary components typically featuring reinforced clamps, O-rings, and secure fittings to guarantee a tight, leak-free connection that aligns with BMW s original equipment standards. Ideal for both professional mechanics and DIY enthusiasts, this replacement part helps restore proper SCR system operation, ensuring compliance with emissions regulations while extending the longevity of the vehicle s exhaust aftertreatment components. Proper installation is critical, as incorrect fitting can lead to DEF contamination or system malfunctions, so using genuine or high-grade aftermarket parts is essential for reliable performance.

### **Pros and Cons of buying a BMW 17128516698 (2015-2017 X3 2.0L Diesel DEF Injector Hose Line Set)**

1. **Direct OEM Compatibility** This part is manufactured to BMW s exact specifications, ensuring a proper fit and function without modifications. It reduces the risk of leaks, improper connections, or performance issues that can arise with aftermarket parts that may not match the original design.

2. **Reliability and Durability** BMW s original equipment parts are built to withstand the demands of the vehicle s systems, including the DEF (Diesel Exhaust Fluid) injection system. A high-quality hose line set minimizes wear and tear, reducing the likelihood of premature failure.

3. **Prevents DEF System Failures** The DEF system is critical for modern diesel engines to meet emissions regulations. A faulty hose line can lead to DEF leaks, incorrect pressure, or even complete system failure, which may trigger check engine lights or restrict engine performance. Replacing worn or damaged hoses prevents these issues.

4. **Easy Installation** The hose line set is designed to replace the existing DEF injection lines, and installation typically requires minimal tools. Many owners or mechanics can complete the job in under an hour, especially if they have experience with BMW diesel systems.

5. **Cost-Effective Long-Term Solution** While the upfront cost may be higher than some aftermarket alternatives, investing in an OEM part avoids repeated replacements or costly repairs down the line. It also maintains the vehicle s resale value, as buyers prefer cars with original or high-quality replacement parts.

6. **Compatibility with Aftermarket DEF Systems** If you ve upgraded your DEF system (e.g., with a larger tank or different injectors), this hose line set will integrate seamlessly, ensuring compatibility without conflicts.

7. **Warranty Coverage** If purchased from an authorized BMW dealer or a reputable supplier, the part may come with a warranty, providing peace of mind against defects.

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1. **Higher Upfront Cost** OEM parts are generally more expensive than aftermarket alternatives. While this may not be a concern for those prioritizing quality, it could be a deterrent for budget-conscious buyers.

2. **Limited Availability Outside Dealerships** Finding this specific part may require ordering from an authorized BMW parts distributor, an online marketplace (e.g., RockAuto, Amazon, or eBay), or a specialty diesel parts supplier. This can sometimes lead to longer wait times or shipping delays.

3. **Potential for Counterfeit Parts** If purchasing from third-party sellers (especially online), there is a risk of receiving counterfeit or substandard parts that do not meet BMW s standards. Always verify the seller s reputation and part authenticity.

4. **DIY Installation Challenges** While the installation is straightforward for those with mechanical experience, those unfamiliar with DEF systems or BMW diagnostics may encounter difficulties. Incorrect installation (e.g., improper crimping or routing) could lead to leaks or system malfunctions.

5. **No Additional Features** Unlike some aftermarket hose sets, this OEM part does not include extras like reinforced clamps, flexible connectors, or color-coded lines for easier identification. It is a basic but reliable replacement.

6. **Environmental Considerations** DEF is a specialized fluid, and improper handling of the hose lines (e.g., leaks during installation) could lead to spills. DEF is non-toxic but can be harmful to vegetation or aquatic life if not disposed of properly.

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The **BMW 17128516698 DEF Injector Hose Line Set (2015-2017 X3 2.0L Diesel)** is a **highly recommended choice** for owners who prioritize reliability, longevity, and compatibility with their vehicle. The OEM quality ensures that the part will function as intended, reducing the risk of DEF system failures and maintaining engine performance. While the cost is higher than aftermarket options, the long-term benefits such as avoiding repeated repairs, preserving resale value, and ensuring emissions compliance make it a worthwhile investment.

For those on a tight budget or willing to take a calculated risk, **high-quality aftermarket alternatives** (e.g., from brands like **Flexa, Bosch, or Continental**) may offer similar performance at a lower price. However, these should be sourced from trusted suppliers to avoid counterfeit parts. Always verify the part s compatibility with your specific X3 model year and DEF system configuration before purchasing.

If you are replacing a worn or damaged DEF hose line in your **2015-2017 BMW X3 2.0L Diesel**, the **OEM 17128516698 part is the safest and most reliable option**. It is worth the investment for peace of mind and long-term reliability. If cost is a major concern, opt for a **reputable aftermarket brand** with positive reviews and ensure it meets BMW s specifications. Avoid generic or unknown brands to prevent potential issues. Always follow proper installation procedures and dispose of any DEF fluid responsibly.

Details:

Part Fitment and Compatibility. Remember LEFT means the Drivers side of vehicle and RIGHT Passengers in our listings.

part #: 17128516698 prices

• $31.46-$60.89

specifications emissyste:

• for models: X3
• for makes: Bmw
• for years: 2015-2017
• mpn: 17128516698
• part type: Fluid Line Exhaust Injector Hose
• manufacturer warranty: 30 Day
• tested: Tested, Cleaned And Inspected
• universal fitment: Direct Replacement

returns emissyste:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

payments emissyste:

• wallet: Apple-pay
• credit card: Visa
• other

shipping emissyste:

• type: Fixed
• cost: $0.00
• service: Economy, USPS Ground Advantage, FedEx 2Day One Rate Medium Box, FedEx Standard Overnight
• transit: 2-4 Days
• carrier: USPS, FedEx
• class: Economy, Standard, Expedited, One-day

offer emissyste:

• started: April 14, 2026
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

general emissyste:

• condition: Used
• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

seller emissyste:

• city: Waverly, Minnesota
• rating: 99.7%
• # reviews: 98014

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