BMW 857645001 Box

( Manufacturer Part Number: 857645001 ), ( Part Type: Box )

Review BMW Open Box Not Used fits E90 335D

The BMW E90 335d Boxster (WBCA57645001) represents a refined fusion of timeless convertible elegance and cutting-edge diesel performance, embodying the brand s signature blend of luxury, precision engineering, and exhilarating driving dynamics. This model, part of BMW s celebrated Boxster lineup, is a two-seater roadster that seamlessly transitions from a fully enclosed cabin to an open-top experience with the push of a button, offering unparalleled versatility for both urban commuting and spirited weekend adventures. The E90 chassis, though now a decade older, remains a benchmark for balance and agility, with its lightweight construction and rear-wheel-drive architecture ensuring a responsive and engaging driving experience that feels both modern and enduring. Under the hood, the 335d variant is powered by a 3.0-liter inline-six turbocharged diesel engine (N57) producing a robust 265 horsepower and 369 lb-ft of torque, delivering a smooth yet spirited performance that thrives on both city streets and winding roads. This engine is paired with BMW s advanced six-speed ZF automatic transmission, which, when paired with the optional Sport Package, offers a more engaging shift feel and optimized power delivery for those seeking a more dynamic driving experience.

The exterior design of the E90 335d Boxster is a study in understated sophistication, with its sleek, aerodynamic lines and iconic BMW kidney grille framing a presence that is both commanding and refined. The convertible roof, crafted from high-quality materials, retracts seamlessly into the bodywork, minimizing wind noise and maximizing the open-air experience. The wheels, often fitted with premium alloys or optional multi-spoke designs, complement the car s sporty stance, while the LED or halogen headlights (depending on the trim) ensure both style and functionality. Inside, the cabin is a masterclass in premium materials and ergonomic design, with premium leather upholstery, ambient lighting, and a high-quality audio system (often featuring a six-speaker or eight-speaker setup) that elevates the driving experience into one of pure indulgence. The steering wheel, often adorned with wood or aluminum trim, is both functional and aesthetically pleasing, while the dual-zone climate control and available heated front seats ensure comfort in any climate.

The E90 335d Boxster is not just a car; it s a statement of timeless luxury and driving passion. Its diesel engine offers exceptional fuel efficiency often achieving around 25-30 miles per gallon in mixed driving conditions while its torque-rich performance ensures that it can effortlessly handle highway cruising or spirited overtaking maneuvers. The suspension tuning, typically set to a sportier bias, provides a firm yet comfortable ride, allowing the driver to feel connected to the road while maintaining a smooth and composed demeanor. Optional features such as the M Sport Package, adaptive headlights, or a navigation system further enhance the car s appeal, catering to those who appreciate both performance and refinement. Whether navigating city streets, winding country roads, or cruising along the coast, the E90 335d Boxster delivers a driving experience that is as rewarding as it is luxurious, making it a sought-after choice for enthusiasts who value both heritage and modernity.

### **Pros and Cons of Buying a BMW E90 335d (Chassis 857645001) with Box (Automatic Transmission)**

1. **Strong Engine and Performance**

The 335d is powered by a 3.0L inline-six turbo diesel (N57 engine), producing around **300 313 horsepower** and **420 440 lb-ft of torque**, making it one of the most capable diesel BMWs of its era. It offers strong acceleration and a smooth power delivery, especially useful for highway driving and towing.

2. **Reliability of the N57 Engine**

While the N57 has had some issues (carbon buildup, turbo failures, and oil consumption in some cases), it is generally more reliable than BMW s earlier diesel engines (e.g., N54). With proper maintenance, it can last well over **200,000 miles**. Many owners report few major issues if the engine is well-maintained.

3. **Box (Automatic Transmission) Convenience**

The **6HP21 automatic transmission** (ZF-based) is smooth and reliable when properly serviced. It handles well for daily driving and offers better fuel efficiency than a manual. However, it requires **regular transmission fluid changes** (every 60,000 80,000 miles) to prevent premature wear.

4. **Good Fuel Efficiency for a Diesel**

The 335d typically achieves **20 25 MPG in the city and 30 35 MPG on the highway**, making it more economical than a gasoline-powered BMW of similar power. Diesel fuel also provides better cold-weather performance.

5. **Strong Aftermarket Support**

The E90 platform is one of the most popular BMWs for modifications, with widespread availability of parts, tuning options, and performance upgrades (e.g., turbo upgrades, exhaust systems, suspension kits).

6. **Comfortable and Refined Ride**

The E90 offers a **luxurious interior** with high-quality materials (depending on trim), good sound insulation, and a well-built chassis. The **M-Sport suspension** (if equipped) provides a sportier feel without sacrificing comfort.

7. **Resale Value (Compared to Other BMWs)**

While not as high as newer models, the E90 335d holds its value reasonably well, especially if well-maintained. Diesel BMWs are still in demand among enthusiasts and commercial buyers.

8. **Towing and Hauling Capability**

With its torque, the 335d can tow **up to 5,000 6,000 lbs** (with proper equipment), making it a good choice for those who need towing capability.

9. **Classic E90 Chassis Appeal**

The E90 (2007 2013) is a well-regarded generation of BMW, balancing performance, practicality, and luxury. Many buyers appreciate its **timeless design** and **driving dynamics**.

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1. **Maintenance Costs Can Be High**

- **Carbon buildup** (N57 engines require **carbon cleaning** every **60,000 80,000 miles** to prevent misfires).

- **Turbocharger failures** (some N57s develop leaks or efficiency issues over time).

- **Transmission fluid changes** (must be done on schedule to prevent slipping).

- **Suspension and steering components** (ball joints, tie rods, and control arms wear out around **100,000 150,000 miles**).

- **Electrical gremlins** (common in BMWs, including issues with sensors, infotainment, and climate control).

2. **Carbon Buildup Issues (N57-Specific)**

The N57 engine is prone to **carbon deposits** on intake valves, leading to **rough idling, misfires, and reduced power**. This requires **professional carbon cleaning** (or valve polishing), which can cost **$800 $1,500** if done at a BMW dealer.

3. **Transmission Reliability Concerns**

While the **6HP21 automatic is generally durable**, it is **not as robust as some competitors** (e.g., Mercedes 7G-Tronic). If **transmission fluid is neglected**, it can lead to **slipping, rough shifting, or premature failure**. Some owners report **solenoid or valve body issues** over time.

4. **Diesel Particulate Filter (DPF) Problems**

The E90 335d has a **DPF**, which can clog if driven mostly in **short trips or stop-and-go traffic**. A clogged DPF requires **regeneration (cleaning) or replacement**, costing **$1,000 $2,500** if severe.

5. **Rust and Corrosion Risks**

The E90 is prone to **rust in wheel wells, rocker panels, and undercarriage**, especially in snowy or salted regions. A **thorough inspection** is crucial before purchase.

6. **Electrical and Infotainment Issues**

Many E90s suffer from **software glitches, touchscreen freezes, and sensor failures** (e.g., ABS, traction control). Some models have **iDrive (infotainment) problems** that may require dealer intervention.

7. **Depreciation and Age**

The E90 is **nearing the end of its lifespan** as a practical daily driver. While it s still a great car, **parts and labor costs increase** as it gets older. Some buyers may prefer newer BMWs (e.g., F30 3 Series) for long-term ownership.

8. **Potential for Hidden Damage**

Since the E90 has been around for over a decade, **accident damage or poor repairs** are common. Always **check service records, accident history, and structural integrity** before buying.

9. **Limited Warranty Coverage**

Most E90s sold today are **out of factory warranty**, meaning **all repairs are out-of-pocket**. If buying used, ensure the seller provides **full service history**.

10. **Diesel Fuel Infrastructure Challenges**

While diesel is still available, **fueling stations offering it are declining** in some areas, making long trips slightly more inconvenient.

---

### **Conclusion & Recommendation**

#### **Who Should Buy This BMW?**

- **Need a reliable, torquey diesel** for daily driving, towing, or highway use.

- **Appreciate BMW s driving dynamics** and want a **comfortable, well-built luxury car**.

- **Are prepared for maintenance costs** and will **follow service intervals strictly**.

- **Plan to keep the car for 5 10 years** (not a long-term buy-and-hold investment).

- **Enjoy the E90 s classic styling** and are okay with **minor quirks** (e.g., electrical issues, DPF concerns).

- **Have access to a trusted mechanic** (preferably BMW-trained) for repairs.

#### **Who Should Avoid This BMW?**

- **Want a low-maintenance car** (BMWs require **regular, expensive upkeep**).

- **Don t drive enough to justify diesel benefits** (if mostly short trips, a gasoline engine may be better).

- **Can t afford unexpected repairs** (e.g., turbo, transmission, or electrical failures).

- **Prefer modern tech** (older infotainment systems can be frustrating).

- **Are looking for a long-term investment** (resale value is decent but not exceptional).

- **Live in a rust-prone area** without proper protection (undercoating, rust inhibitors).

The **BMW E90 335d (857645001) with Box** is a **great choice for the right buyer** someone who wants a **capable, refined diesel BMW** and is willing to **invest in maintenance**. If you **inspect the car thoroughly** (engine condition, transmission, rust, service history) and **budget for potential repairs**, it can be an **excellent daily driver and a fun car to own**.

- **Enthusiasts who enjoy BMWs** and want a **torquey, efficient diesel**.

- **Those who prioritize driving dynamics** over cutting-edge tech.

- **Buyers who can commit to long-term ownership** (5 years).

- You **can t afford BMW maintenance costs**.

- You **prefer a newer car with modern features**.

- You **don t drive enough to justify diesel benefits**.

- **Get a pre-purchase inspection (PPI) from a BMW specialist.**

- **Verify full service history**, especially for **carbon cleaning, turbo health, and transmission service.**

- **Check for rust, accident damage, and electrical issues.**

- **Test drive thoroughly** listen for **knocking (turbo), rough idling (carbon), or transmission slippage.**

If you **find a well-maintained example with clean records**, the **E90

Details:

Opened and ordered, decided to take another direction with car project, part never driven with, unused but open box. This product is a genuine BMW part designed for exhaust and emission systems. The manufacturer part number 857645001 ensures compatibility with specific BMW model's, particularly the E90 335D. The BMW 857645001 E90 335D is an open box car part that has not been used.

With the trusted brand of BMW, you can expect high-quality and reliable performance from this part.

part #: 857645001 prices

• $20.00-$500.00

specifications emissyste:

• for models: E90, 335d
• for makes: Bmw
• mpn: 857645001
• part type: Box

seller emissyste:

• # reviews: 596
• rating: 100.0%
• city: Brooklyn, New York

returns emissyste:

• policy: No Returns

payments emissyste:

• credit card: Discover
• wallet: Paypal
• other

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New other see details

shipping emissyste:

• service: USPS Ground Advantage
• transit: 4-10 Days
• carrier: USPS
• type: Calculated
• cost: $19.35
• class: Standard

offer emissyste:

• availability: In Stock
• best offers: True
• quantity: 1
• started: March 31, 2026
• sold: 0
• options: Ship-to-home

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