BMW 1450938 Rear Wheel Rim Snowflake Cast K75 K100 36 31 17X2.75

( Manufacturer Part Number: 1450938 ), ( Machine Type: Street Motorcycle ), ( Color: Silver ), ( Items Included: Valve ), ( Placement On Vehicle: Rear Wheel ), ( Wheel Material: Aluminum ), ( Type: Rim ), ( Oe/oem Part Number: 1 450 938, 36 31 ), ( Wheel Diameter: 17 ), ( Wheel Width: 2.75 ), ( Country Of Origin: Germany )

Review BMW K75 Oem 36 31 Rear Wheel Rim 17x2.75 Snowflake Cast

The **BMW 1450938 K75/K100 36x31 rear wheel rim** is a meticulously engineered aftermarket cast alloy wheel that seamlessly blends performance, style, and durability, making it an ideal choice for BMW enthusiasts seeking both aesthetic enhancement and functional superiority. Designed specifically for the rear axle of the K75 and K100 models, this **17x2.75-inch** rim features a distinctive **snowflake pattern**, a signature motif that adds a touch of bold elegance and modern flair to the vehicle s appearance. The intricate, three-dimensional snowflake design not only elevates the wheel s visual appeal but also contributes to its aerodynamic efficiency, reducing drag while maintaining structural integrity. Crafted from high-quality cast aluminum, this rim is built to withstand the rigors of spirited driving, offering excellent resistance to warping, cracking, and corrosion, even under demanding conditions. The **36x31 offset** ensures proper wheel placement within the wheel well, optimizing handling dynamics and tire clearance while minimizing the risk of interference with suspension components or brake systems. Whether paired with performance-oriented tires for enhanced grip or all-terrain options for off-road versatility, this rim delivers a harmonious balance between form and function. Its precise fitment and refined design make it a standout upgrade for those looking to refine the look and feel of their BMW K-series vehicle, ensuring both a striking presence on the road and a confident driving experience.

### **Pros and Cons of buying a BMW 1450938 (K75/K100 36/31 Rear Wheel Rim 17x2.75 Snowflake Cast)**

1. **Performance and Handling** The **K75/K100** (BMW s high-performance roadster models) are known for their lightweight construction, powerful engines, and sharp handling. The **36/31** variants feature high-revving inline-6 engines (3.6L or 3.1L turbocharged) that deliver strong acceleration and engaging driving dynamics. A well-matched rim like this **17x2.75 Snowflake cast** can enhance grip and stability, especially in spirited driving conditions.

2. **Aesthetic Appeal** The **Snowflake cast rim** is a distinctive and aggressive design, adding a sporty, custom look to the car. BMW s classic roadster styling (especially the **K100**) is highly desirable among enthusiasts, and aftermarket wheels like this can elevate its visual appeal.

3. **Durability and Weight Distribution** Cast wheels are generally more durable than forged wheels for daily driving, though they may lack the precision weight balance of forged options. The **17-inch size** strikes a balance between aesthetics and practicality, fitting well on BMW roadsters without excessive weight.

4. **Compatibility with BMW Roadsters** The **K75/K100** (and later **Z8**) have a track record of supporting aftermarket wheels, provided they meet the correct bolt pattern (typically **5x112.5**) and offset requirements. This rim appears to be a good fit for the **rear wheels**, where weight distribution is critical for handling.

5. **Potential for Upgraded Performance** If paired with proper tires (e.g., high-performance summer or all-season compounds), this rim could improve cornering grip and braking efficiency, making the car feel more responsive.

6. **Resale Value for Enthusiasts** BMW roadsters, especially modified ones, hold value among collectors. A well-maintained **K75/K100** with stylish aftermarket wheels can attract buyers in the classic and performance car market.

---

1. **Potential for Poor Quality Cast Wheels** Not all cast wheels are created equal. Some aftermarket cast rims (especially budget options) may have **porosity, uneven machining, or weak alloys**, leading to cracking or warping over time. The **Snowflake pattern** is often associated with lower-tier manufacturers, which could compromise longevity.

2. **Weight Concerns** Cast wheels are generally heavier than forged wheels, which can slightly reduce acceleration and braking performance. While this rim is likely **lighter than stock steel wheels**, it may not match the precision balance of forged alternatives.

3. **Fitment and Clearance Issues** If not properly measured, the **offset and backspacing** of this rim could cause **rubbing against fenders, brakes, or suspension components**, especially on aggressive suspension setups. The **K75/K100** has a lower profile than modern BMWs, so clearance must be verified before installation.

4. **Potential for Weakness in Extreme Conditions** While cast wheels are fine for normal driving, they may **crack or deform** if subjected to **off-road use, aggressive driving, or potholes**. The **17-inch size** is also more vulnerable to curb damage than larger wheels.

5. **Maintenance and Cost** If the rim develops **cracks or corrosion**, repairs can be expensive. Some aftermarket cast wheels require **professional balancing and truing** more frequently than forged or forged wheels.

6. **Stock Wheel Replacement Risks** If the rim is not a **direct drop-in replacement**, modifying the **wheel center or lug pattern** could void warranties or require professional machining, adding to costs.

7. **Aesthetic vs. Functionality Trade-Off** While the **Snowflake design** looks aggressive, it may not provide the same **aerodynamic efficiency** as smoother, more streamlined wheels. This could slightly impact top-speed stability.

---

This **BMW 1450938 (17x2.75 Snowflake Cast Rim)** is a **visually striking and performance-enhancing upgrade** for a **K75/K100 36/31**, provided it is **properly fitted and of good quality**. The rim offers **better grip, a sportier look, and potential handling improvements**, but it comes with **risks of poor craftsmanship, weight concerns, and potential fitment issues**.

If you are an **enthusiast who prioritizes aesthetics and driving feel**, this could be a **great choice** especially if sourced from a **reputable manufacturer** (e.g., **BBS, Enkei, or a trusted aftermarket brand**). However, if **durability and precision** are concerns, a **forged wheel or a higher-quality cast wheel** (e.g., **OZ Racing, Rotiform**) might be a safer long-term investment.

---

1. **Verify Fitment First** Confirm that the **bolt pattern (5x112.5), offset, and backspacing** match your **K75/K100 s rear wheel requirements**. Measure **hub centering and lug spacing** to avoid clearance issues.

2. **Choose a Trusted Brand** Avoid generic or unknown cast wheels. Opt for **well-reviewed manufacturers** (e.g., **BBS, Enkei, or premium aftermarket brands**) to ensure **durability and balance**.

3. **Pair with High-Quality Tires** A **performance-oriented tire** (e.g., **Michelin Pilot Sport 4S, Continental ExtremeContact Sport**) will maximize the rim s potential for grip and responsiveness.

4. **Consider Forged Wheels for Extreme Use** If you plan to **track the car or drive aggressively**, **forged wheels** (e.g., **OZ Racing, Rotiform**) offer **better weight distribution and strength**.

5. **Budget for Professional Installation & Balancing** Improper installation can lead to **vibration, uneven wear, or safety risks**. Have a **wheel shop** mount, balance, and true the wheels.

6. **Monitor for Wear Over Time** Cast wheels should be **inspected annually** for **cracks, corrosion, or deformation**, especially if driven on rough roads.

This rim is a **solid choice for a BMW K75/K100 owner who wants a **stylish, performance-oriented upgrade** but only if **properly fitted, sourced from a reliable brand, and maintained**. If budget allows, a **forged wheel** would be a more durable alternative. For most enthusiasts, this cast rim offers a **great balance of looks and function**, provided due diligence is taken in selection and installation.

Details:

OEM BMW K75/K100 rear wheel rim size 17x2.75 as shown, marked 1450938 and 36 31. Used condition with normal age and storage wear including scratches, scuffs, oxidation, grime/residue, balance weights still attached. Rim appears straight. Bare wheel includes the valve stem only; no tire, rotor, final drive, or hardware included.

Review photos carefully for exact condition and fitment before purchase. Rim lip and inner barrel show visible cosmetic wear corrosion/oxidation from age storage.

part #: 1450938 prices

• $116.19-$149.99

specifications cywhemo:

• for makes: Bmw
• mpn: 1450938
• machine type: Street Motorcycle
• color: Silver
• items included: Valve
• placement on vehicle: Rear Wheel
• wheel material: Aluminum
• type: Rim
• oe/oem part number: 1 450 938, 36 31
• wheel diameter: 17
• wheel width: 2.75
• country of origin: Germany

offer cywhemo:

• best offers: True
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: April 17, 2026

shipping cywhemo:

• type: Calculated
• cost: $23.24
• class: Standard
• transit: 6-10 Days
• carrier: USPS
• service: USPS Ground Advantage

general cywhemo:

• condition: Used
• Motorcycle Scooter Parts Accessories > Wheels, Tires Parts > Wheels Rims

payments cywhemo:

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

returns cywhemo:

• policy: No Returns

seller cywhemo:

• city: Middleburg, Pennsylvania
• # reviews: 145
• rating: 99.3%

Bmw 1450938 Is Similar To:

• --- Bmw Montauk Rear Wheel Rim Straight Fit Cl (41.7% similar) ...(October 8th, 2018)
• 1150r Bmw R 1150 Rear Rim Straight (37.3% similar) Good straight used rim removed from a 2004 bmw R1150R...(February 25th, 2018)
• 2177511 Bmw Gtl Exclusive Front Wheel Carrier (30.1% similar) This came off used straight bike. Come as is with axle. Has a slight scratch so I replaced it...(September 25th, 2018)
• 2310255 Bmw Rs Gs Rear Wheel Rim Straight No Tire (39.3% similar) Feel free to request a quote. Most parts ship within 24 hours. No hardware included unless expressly stated. Please prior to purchase for expedited shipping options...(October 4th, 2018)
• 2320005 Bmw Rear Wheel Rim Straight (40.8% similar) ...(May 25th, 2018)
• 2331357 Bmw Rear Wheel With Brake Rotor (41.1% similar) X 17, casting no. Bmw R1150RT rear wheel silver...(May 23rd, 2018)
• 2331468 Bmw Rs Rear Back Wheel Rim Bent Video (38.9% similar) ...(February 24th, 2019)
• 23334522838 Bmw Lt Rear Wheel Straight (34% similar) ...(March 25th, 2018)
• 2335507 Bmw Front Wheel With Brake Rotors (34.9% similar) Bmw R1150RT front wheel silver, have matching rear rim listed in separate offer. 50 x 17, casting no...(May 23rd, 2018)
• 2335868 Bmw Oem Front Wheel Rim Straight Video (38.6% similar) ...(March 8th, 2019)
• 34171 Bmw Rear Back Wheel Rim And Tire Michelin (38.3% similar) Removed from: 1999 bmw R1100RT with miles please review all pictures to assess the condition of item. R cycle parts 1999 bmw R1100RT rear back wheel rim and tire this is in very good condition shows normal signs of wear. The rear wheel is dirty...(April 18th, 2018)