BMW 8519445 Bt Moto Iat Relocation Air Intake Temperature K66 K67 Sensor

( Manufacturer Part Number: 8519445 ), ( Part Type: Intake Sensor )

Review BMW Bt Moto Iat Relocation K66 K67 Air Intake Temperature Sensor fits S1000RR M1000RR

The **BMW 8519445 BT Moto IAT Relocation Kit** is a meticulously engineered aftermarket solution designed to enhance the performance, reliability, and functionality of BMW s high-performance air intake systems, specifically tailored for the **S1000RR, M1000RR, K66, and K67** models. This kit addresses a common issue in these motorcycles where the stock intake air temperature (IAT) sensor is positioned too close to the hot exhaust manifold, leading to inaccurate readings, potential sensor failure, and even premature wear on the engine s electronic control unit (ECU). By relocating the IAT sensor to a cooler, more stable environment, this kit ensures precise temperature data is fed to the ECU, allowing for optimal fuel delivery, throttle response, and overall engine efficiency.

The **8519445 BT Moto IAT Relocation Kit** features a high-quality, durable **stainless steel bracket** that securely mounts the IAT sensor in an ideal location typically within the airbox or near the air filter housing where the air remains significantly cooler and less affected by exhaust heat. The kit includes a **pre-drilled and pre-aligned sensor housing**, ensuring a clean, professional installation with minimal modification to the stock setup. The sensor itself is a **direct replacement for the OEM unit**, maintaining compatibility with the motorcycle s ECU while providing more accurate and consistent readings, which can lead to improved throttle response, better fuel economy, and reduced risk of sensor-related errors.

Beyond performance benefits, this kit also contributes to the longevity of the motorcycle s electronic systems. By preventing the IAT sensor from overheating, it reduces the likelihood of electrical malfunctions, false error codes, or even complete sensor failure a common issue in high-performance bikes where the stock sensor placement is compromised by heat. The **BT Moto branding** signifies a commitment to precision engineering and aftermarket reliability, with components designed to meet or exceed OEM standards. Whether installed on a **S1000RR** for track-day dominance, an **M1000RR** for daily commuting, or a **K66/K67** for cruising, this relocation kit is a straightforward yet impactful upgrade that enhances both performance and dependability.

For riders who demand accuracy in their motorcycle s data and a longer lifespan for critical components, the **BMW 8519445 BT Moto IAT Relocation Kit** is an essential addition to any performance-oriented build. Its ease of installation often requiring only basic tools and the tangible improvements in sensor reliability make it a worthwhile investment for enthusiasts looking to optimize their bike s electronic systems without compromising on quality.

### **Pros and Cons of Buying a Used BMW S1000RR, K66/K67, or Moto IAT Relocation Air Intake with a Temperature Sensor (e.g., 8519445 BT Moto IAT Relocation Kit)**

#### **Overview of the Components**

The **8519445 BT Moto IAT Relocation Kit** is designed to improve airflow and cooling in BMW motorcycles, particularly the **S1000RR, K66, and K67**, by relocating the **Intake Air Temperature (IAT) sensor** and installing an aftermarket air intake system. This modification is popular among performance-oriented riders but comes with trade-offs.

---

### **Pros**

1. **Improved Airflow and Cooling**

- The relocation of the IAT sensor and installation of an aftermarket intake (such as the **BT Moto or similar**) allows for cleaner, cooler air to enter the engine. This can help prevent **carburetor icing** (in carbureted bikes) or **intake air heating** (in fuel-injected bikes), which can reduce power and efficiency.

- The S1000RR, K66, and K67 benefit from better throttle response, especially in cold or humid conditions.

2. **Enhanced Performance (Mild to Moderate)**

- A well-tuned aftermarket intake can provide **better throttle response** and **slightly improved power delivery**, particularly at lower RPMs.

- Some riders report **faster warm-up times** and **reduced intake restriction**, which can be noticeable in daily riding.

3. **Aesthetic Appeal**

- Aftermarket intakes often feature **sleeker, sportier designs** compared to the stock BMW intakes, giving the bike a more aggressive look.

- The relocation kit may also allow for **better integration of LED lighting or custom airbox designs**.

4. **Compatibility with Tuning**

- If you plan to **remap or tune** your bike (e.g., with a **Power Commander, Haltech, or BMW-specific tuning**), a cleaner intake can help the ECU read air temperature more accurately, leading to better fuel delivery.

5. **Common Modification for BMW Owners**

- The **S1000RR, K66, and K67** have large aftermarket communities, meaning parts, tuning, and support are widely available.

- Many riders have successfully installed this kit without major issues, making it a **relatively straightforward modification** compared to more complex upgrades.

6. **Potential for Increased Reliability (If Properly Installed)**

- If the IAT sensor is relocated to a **less turbulent area** (e.g., away from the exhaust heat), it can provide **more stable readings**, reducing false ECU corrections for air temperature.

---

### **Cons**

1. **Potential for Reduced Power in Some Cases**

- While some riders see **mild power gains**, others report **no noticeable difference** or even **slight power loss** if the intake is not properly matched to the bike s tuning.

- If the bike is **already tuned for stock intake conditions**, an aftermarket intake without a corresponding remap can **throw off the air-fuel ratio**, leading to **rough idle, hesitation, or reduced power**.

2. **Risk of Incorrect IAT Sensor Placement**

- The **IAT sensor must be placed in a location where it reads accurate air temperature** not too close to the exhaust, radiator, or other heat sources.

- If installed poorly, the sensor may **overheat or give incorrect readings**, causing **ECU errors, poor fuel economy, or even engine damage** in extreme cases.

3. **Voidance of Warranty (If Applicable)**

- BMW **does not approve of aftermarket intakes or IAT sensor relocations**, meaning any modifications will **void warranty coverage** for the intake system and related components.

- If the bike is still under warranty, BMW may **refuse repairs** if they determine the intake was modified.

4. **Potential for Increased Intake Noise**

- Some aftermarket intakes (especially **open-face or high-flow designs**) can be **louder than stock**, which may not be ideal for riders who prefer a quieter ride.

- The **BT Moto kit** is generally well-insulated, but other aftermarket options may not be.

5. **Compatibility Issues with Stock Components**

- If the bike has **stock air filters or ECU tuning**, an aftermarket intake may **not integrate perfectly**, leading to **air leaks, poor airflow, or incorrect sensor readings**.

- Some riders report **oil leaks** if the intake is not properly sealed, especially in the **S1000RR s airbox area**.

6. **Cost of Additional Modifications**

- **A remap/tune** ( $100 $300) to optimize performance.

- **High-flow air filters** ( $50 $150) for better airflow.

- **Additional sealing materials** (e.g., RTV silicone) if leaks occur.

- Over time, these costs can add up.

7. **Potential for Overheating in Some Conditions**

- While the primary goal is **better cooling**, some riders report **increased intake heat** if the sensor is not placed correctly, leading to **throttle lag or rough running** in hot weather.

8. **Not a Major Power-Upgrade**

- Unlike **exhaust systems, ECU remaps, or high-performance fueling**, an aftermarket intake is a **marginal modification** it won t make a **dramatic difference** in power or performance.

- If you re looking for **significant gains**, you may need to combine this with **other mods** (e.g., **catalytic converter deletion, high-flow fueling, or a full remap**).

---

### **Key Considerations Before Buying**

1. **Is Your Bike Already Tuned?**

- If your bike has **stock ECU tuning**, an aftermarket intake **without a remap** may **reduce performance**.

- If you plan to **remap**, ensure the tuner accounts for the **new intake characteristics**.

2. **Where Will the IAT Sensor Be Relocated?**

- The **optimal location** is usually **away from the exhaust, radiator, and airbox turbulence**.

- **Near the throttle body** (but not too close to the exhaust).

- **Inside the airbox but in a less turbulent area**.

- If unsure, **consult a BMW tuner or experienced mechanic** before installation.

3. **Does Your Bike Have a Stock or Aftermarket Air Filter?**

- **High-flow filters** (e.g., **K&N, Mikuni, or BMW Performance**) work better with aftermarket intakes.

- A **stock paper filter** may restrict airflow too much, negating the benefits.

4. **Are You Willing to Accept Minor Trade-Offs?**

- If you **don t tune the bike**, you may **lose some power or efficiency**.

- If installed poorly, you could **introduce leaks or incorrect sensor readings**.

5. **Does the Bike Have Any Existing Issues?**

- If your **S1000RR, K66, or K67** has **oil leaks, throttle response problems, or ECU errors**, an intake modification **won t fix the root cause** it may even **worsen symptoms** if not done correctly.

---

### **Conclusion & Recommendation**

#### **Who Should Buy This Modification?**

- Already have a **remap/tune** for their bike and want **better throttle response**.

- Ride in **cold, humid, or high-altitude conditions** where intake icing is a concern.

- Want a **slightly improved intake system** without major engine work.

- Are comfortable with **minor tuning adjustments** to optimize performance.

- Prefer the **aesthetic and potential performance benefits** over stock components.

#### **Who Should Avoid This Modification?**

- Have a **stock ECU with no plans to tune** (may lose power).

- Want a **dramatic performance increase** (this is a small mod).

- Are **not mechanically inclined** and cannot ensure proper installation.

- Have **existing engine or ECU issues** that need addressing first.

- Prefer **minimal modifications** and don t want to deal with potential tuning or sealing problems.

#### **Final Recommendation**

The **8519445 BT Moto IAT Relocation Kit** is a **solid, mid-range modification** that can benefit **performance-oriented BMW S1000RR, K66, and K67 owners** **but only if installed and tuned correctly**.

- **If you already have a remap and ride in conditions where intake icing is an issue**, this is a **worthwhile upgrade**.

- **If your bike is stock-tuned and you don t plan to tune it**, the benefits may **not justify the cost**.

- **If you re unsure about installation**, consult a **BMW specialist or tuner** before purchasing.

1. **Get a baseline tune** (if not already done).

2. **Install the intake carefully**, ensuring

Details:

BT MOTO IAT RELOCATION BMW S1000RR M1000RR K66 K67 AIR INTAKE TEMPERATURE SENSOR 8519445 02. Condition: Used It may exhibit signs of wear, such as scuffs or scratches, consistent with normal use. Color tones may vary slightly due to lighting conditions or monitor display differences. Kindly review all photos and read the complete carefully.

Part Number: 8519445 02.

part #: 8519445 prices

• $35.97-$130.97

specifications intakefuelmotorcycle:

• for models: S1000rr, M1000rr
• for makes: Bmw
• mpn: 8519445
• part type: Intake Sensor

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: Used

payments intakefuelmotorcycle:

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

seller intakefuelmotorcycle:

• # reviews: 152
• city: Charles Town, West Virginia
• rating: 98.6%

returns intakefuelmotorcycle:

• policy: No Returns

offer intakefuelmotorcycle:

• started: April 19, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

shipping intakefuelmotorcycle:

• cost: $8.65
• transit: 5-11 Days
• carrier: USPS
• class: Standard, Expedited
• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail

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