fits make: Bmw. year: 1987.

( Manufacturer Part Number: 36311460912 ), ( Part Type: Video Wheel Rim ), ( Wheel Diameter: 18 ), ( Wheel Width: 2.75 )
The **BMW 36311460912 1987 1995 K75RT/K75 Rear Wheel Rim (18x2.75" Straight Video)** is a meticulously crafted aftermarket wheel designed to elevate the performance, aesthetics, and handling dynamics of BMW s legendary K-series roadsters and coupes. This rim is engineered to deliver a perfect blend of precision engineering and bold style, catering to both the purist and the enthusiast who demands nothing less than perfection. The **18-inch diameter** provides a substantial upgrade over the stock wheels, offering enhanced stability, improved braking performance, and a more aggressive stance, while the **2.75-inch width** strikes an ideal balance between track-ready grip and everyday usability, ensuring optimal tire contact and reduced heat buildup. The **straight video (SV) design** is a hallmark of modern wheel aesthetics, featuring a sleek, minimalist profile with a subtle concave shape that enhances the wheel s visual appeal while maintaining structural integrity. This rim is forged from high-quality **aluminum alloy**, ensuring durability, resistance to corrosion, and a lightweight construction that reduces unsprung weight, thereby improving overall handling responsiveness.
The **BMW-specific fitment** of this rim is carefully calibrated to align with the K75RT s and K75 s suspension geometry, ensuring proper clearance for brakes, calipers, and suspension components while accommodating the unique wheel well contours of these high-performance BMWs. The **five-spoke pattern** exudes a sporty yet understated elegance, complementing the K-series aggressive yet refined character. Whether paired with aggressive summer tires for track days or all-weather rubber for daily driving, this rim delivers a harmonious fusion of function and form. Built to withstand the demands of spirited driving, this wheel is an excellent choice for those seeking to enhance their K-series presence on the road or track, offering a seamless transition from stock to performance without compromising on style. Ideal for both restoration projects and modern upgrades, the **36311460912** is a testament to BMW s enduring legacy of engineering excellence and a must-have for any K-series enthusiast looking to push the boundaries of their vehicle s capabilities.
### **Pros and Cons of buying a BMW 3-Series (E30) 1987 1995 K75RT/K75 Rear Wheel Rim (18x2.75 Straight)**
#### **Pros:**1. **Performance and Handling**
The K75RT is one of the most powerful and capable BMW 3-Series models of its era, with a twin-turbocharged inline-6 engine producing around **300 320 horsepower** (depending on tuning). This makes it significantly faster than stock E30 models, with a top speed of approximately **150 160 mph** and a 0 60 mph time of around **5 6 seconds**. The K75RT s suspension and braking are also well-suited for high-speed driving, making it a fun and engaging car for enthusiasts.
2. **Rarity and Collectibility**
The K75RT is an extremely rare BMW, with only a few hundred ever produced. This scarcity drives up its value over time, making it a desirable investment for collectors. Even well-maintained examples can appreciate significantly, especially if they retain originality or come with documentation.
3. **Aftermarket Support and Modifications**
The K75RT has a strong aftermarket following, with widespread support for engine upgrades, suspension modifications, and aesthetic enhancements. Parts like turbochargers, intercoolers, and exhaust systems are readily available, allowing owners to push performance further if desired. The 18x2.75 straight rims you re considering are also common in the K75RT scene, with many aftermarket options for matching wheels, tires, and brakes.
4. **Driving Experience**
The K75RT retains the E30 s sharp handling and precise steering while adding turbocharged power. The car feels more aggressive and responsive than a naturally aspirated 325i, making it ideal for spirited driving. The manual transmission (if available) enhances the driving experience with its engaging shift feel.
5. **Potential for Restoration or Project Work**
If the car is in rough condition, it could be a rewarding project. The K75RT s engine and drivetrain are robust, and many parts are shared with other E30 models, making repairs and upgrades manageable. A well-restored K75RT can become a showstopper, especially with period-correct or modern upgrades.
6. **Resale Value Potential**
As a rare and high-performance BMW, the K75RT holds its value well, and some examples have even appreciated over time. If maintained properly, it could be a good long-term investment, though the market is still niche.
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#### **Cons:**1. **High Maintenance and Running Costs**
The K75RT s twin-turbo engine is complex and requires more frequent maintenance than a naturally aspirated BMW. Common issues include turbocharger wear, oil leaks, and fuel system problems. The aftermarket parts needed for repairs can be expensive, and labor costs for specialized work (e.g., turbo tuning) add up quickly. Expect higher fuel consumption (around **12 15 MPG**) compared to modern or naturally aspirated cars.
2. **Reliability Concerns**
While the K75RT is robust, it is not as bulletproof as a stock E30. The turbocharged engine is more prone to failure if not properly maintained, and the suspension and brakes (especially the rear) can wear out quickly with aggressive driving. Many early K75RTs suffer from **oil leaks, turbo failures, and fuel pump issues**, which can be costly to fix.
3. **Limited Comfort and Practicality**
The E30 platform is not known for luxury or comfort, and the K75RT s high-performance nature exacerbates this. The ride can be firm, and the interior is basic compared to modern standards. The car s size (especially with aftermarket wheels and tires) can also make parking and maneuvering in tight spaces challenging.
4. **Legal and Insurance Challenges**
The K75RT s high power output may make it difficult to insure, especially in regions with strict emissions or performance regulations. Some insurers may classify it as a "high-risk" or "sports car," leading to higher premiums. Additionally, some countries or states have restrictions on turbocharged or modified BMWs, which could complicate registration or road use.
5. **Depreciation Risk**
While some K75RTs appreciate, the market is still small and speculative. If the car is not well-maintained or lacks documentation, its value could depreciate. Unlike classic cars with a proven market (e.g., M3s or early Mustangs), the K75RT s value is largely driven by rarity and owner demand, which can fluctuate.
6. **Difficulty Finding Parts and Mechanics**
While aftermarket support exists, finding a mechanic experienced with K75RT-specific issues can be difficult. Many BMW specialists focus on newer models, and turbocharged E30s require expertise that isn t always available. This can lead to longer wait times for repairs or higher costs for specialized labor.
7. **Environmental and Emissions Issues**
The K75RT s turbocharged engine produces higher emissions than modern standards, which could be problematic if you plan to drive it frequently in urban areas with strict environmental regulations. Some regions may require modifications to meet emissions laws, adding to the cost and complexity of ownership.
8. **Potential for Hidden Problems**
Buying a K75RT often means dealing with hidden issues, such as:- **Turbocharger wear** (common in high-mileage examples).
- **Oil leaks** (from gaskets, seals, or the turbo itself).
- **Fuel system failures** (pumps, injectors, or fuel rail issues).
- **Suspension wear** (shocks, struts, and bushings degrade quickly).
- **Electrical gremlins** (common in older BMWs, including K75RTs).
A thorough pre-purchase inspection is **essential** to avoid costly surprises.
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### **Conclusion**
The **BMW E30 K75RT/K75 with 18x2.75 straight rims** is an extraordinary car for the right owner one who appreciates rare, high-performance machinery and is willing to invest time, money, and effort into maintaining it. It offers unmatched power, handling, and collectibility within the E30 lineup but comes with significant challenges, including high running costs, reliability issues, and practical limitations.
If you are **passionate about BMWs, have mechanical experience, and can afford the maintenance**, a K75RT can be an incredible project or daily driver. However, if you prioritize **convenience, reliability, or modern comfort**, this car may not be the best choice.
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### **Recommendation**
1. **Buy Only If:**- You have **deep pockets** for repairs and modifications.
- You enjoy **tinkering with cars** and are comfortable with mechanical work.
- You are **driving it regularly** (not just for weekend use) to justify the costs.
- You find a **well-documented, low-mileage example** with a **clean service history**.
- You are prepared for **higher insurance and fuel costs**.
2. **Avoid If:**- You expect a **low-maintenance, reliable daily driver**.
- You cannot afford **unexpected repairs** (e.g., turbo failure, fuel pump replacement).
- You live in an area with **strict emissions or insurance restrictions**.
- You are not passionate about **classic BMWs and high-performance projects**.
3. **Alternative Considerations:**- If you love the **K75RT s power but want something more practical**, consider a **restored E30 M3 (1986 1993)** it s more reliable and still rare.
- If you want a **modern turbocharged BMW with better reliability**, look at a **BMW M235i or M340i** (though they lack the K75RT s raw character).
- If you re buying the **18x2.75 rims specifically**, ensure they are **compatible with your suspension setup** (some aftermarket wheels may require modifications to fit properly).
**Final Verdict:** The K75RT is a **fantastic car for the right owner**, but it is **not a beginner s project or a casual purchase**. If you re serious about it, **inspect the car thoroughly, budget for repairs, and enjoy the journey** because owning a K75RT is as much about the experience as it is about the car itself.
OFFICE USE: LTR-DH 02/26 87BMWK75RT-131796.