BMW 54347167911 Convertible Roof Top Hydraulic Pump Motor 128 135 Module Unit
fits model: E88. make: Bmw. year: 2008–2013.
( Manufacturer Part Number: 54347167911 ), ( Type: Hard Top Hydraulic Pump ), ( Oe/oem Part Number: 54347167911, 54347190715, 54347171303, 1-109999, Bm0c10490173 ), ( Manufacturer Warranty: 1 Month ), ( Features: Durable, Easy Installation ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Country Of Origin: Germany )
Review BMW Convertible Roof Top Hydraulic Pump Motor Module Unit Oem fits E88 2008–2013
The **BMW E88 128i/135i Convertible Roof Hydraulic Pump Motor Module Unit (Part Number: 54347167911)** is a precision-engineered component essential for the seamless operation of the retractable soft-top roof system in BMW s iconic 128i and 135i convertibles from the 2008 to 2013 model years. This critical assembly integrates a hydraulic pump motor with the roof s control mechanism, ensuring smooth, silent, and reliable deployment and retraction of the fabric roof, whether in manual or automatic mode. The unit is designed to withstand the rigorous demands of frequent use, delivering consistent hydraulic pressure to counteract the weight of the roof while minimizing wear and tear on the system s other components. Constructed with BMW s signature attention to detail, the pump motor module features a robust housing that houses a high-efficiency electric motor paired with a hydraulic pump, often incorporating a gear-driven or vane-type mechanism to generate the necessary fluid flow. This hydraulic system not only powers the roof s movement but also contributes to the vehicle s overall driving dynamics by maintaining structural integrity and preventing sagging or uneven tension during operation. For owners seeking to restore or upgrade their convertible s functionality, this module is a direct-fit replacement, compatible with the original wiring harness and control interfaces, ensuring compatibility with the vehicle s onboard diagnostics and roof control systems. Whether replacing a worn-out unit or addressing a malfunction in the roof mechanism, this part is a vital component for preserving the convertible s signature open-air driving experience while adhering to BMW s high standards of performance and reliability.
### **Analysis of Buying a BMW E88 (2008-2013) Hydraulic Pump Motor Module Unit (Part Number: 54347167911)**
The **hydraulic pump motor module** (also called the **roof drive motor**) in a BMW E88 convertible controls the opening and closing of the soft-top roof. If this component fails, the roof will either not operate at all or function erratically. Below is a detailed breakdown of the pros and cons of purchasing this part, along with a conclusion and recommendation.
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### **Pros of buying a Part**
1. **Direct Fitment and Compatibility**
- The part number **54347167911** is an **OEM (original equipment manufacturer) replacement** for the E88 s hydraulic roof system, meaning it is designed specifically for this model and generation (2008 2013).
- No modifications are required it should install directly without the need for additional adapters or wiring changes.
2. **Reliability of OEM Quality**
- BMW s original components are built to strict tolerances and undergo rigorous testing, reducing the risk of premature failure compared to aftermarket knockoffs.
- The motor and pump are engineered to work seamlessly with the E88 s electrical and mechanical systems, minimizing compatibility issues.
3. **Warranty Coverage (If Purchased from Authorized Sources)**
- If bought from an **authorized BMW dealer, BMW Approved Parts supplier, or a reputable online retailer with warranty support**, the part may come with a limited warranty (typically 1 2 years).
- This provides peace of mind in case of defects or installation issues.
4. **Long-Term Durability**
- The E88 s hydraulic roof system is known for reliability when properly maintained. An OEM replacement ensures that the motor and pump will last as long as the original, reducing the likelihood of repeated failures.
- Unlike some aftermarket parts that may wear out quickly, OEM components are designed for longevity.
5. **Professional Installation Support**
- Many authorized sellers offer **installation services** or guidance, ensuring the part is correctly fitted and calibrated. Proper installation is critical for the roof s smooth operation.
- Some dealerships or BMW specialists may provide diagnostics to confirm the issue is indeed the motor module before replacement.
6. **Resale Value Preservation**
- Keeping the vehicle stock with OEM parts helps maintain its **resale value**, especially for collectors or those who prioritize originality.
- Aftermarket parts, while cheaper, can deter potential buyers who prefer a fully original or high-quality restored vehicle.
7. **Access to Technical Support**
- BMW s technical documentation and service bulletins are available to authorized sellers, ensuring they can provide accurate advice on installation, troubleshooting, and common issues.
---
### **Cons of buying a Part**
1. **High Cost Compared to Aftermarket Alternatives**
- The **54347167911** part is significantly more expensive than aftermarket equivalents (often **2 3 times the price**).
- For example, an OEM motor module may cost **$800 $1,500**, while a high-quality aftermarket unit could range from **$200 $500**.
- This can be a major financial barrier for owners on a budget.
2. **Longer Wait Times for Delivery**
- OEM parts, especially for older models like the E88, may have **longer lead times** due to inventory constraints.
- Aftermarket parts are typically in stock and can be shipped faster, reducing downtime.
3. **Potential for Overkill if the Issue is Minor**
- Before purchasing the motor module, it s wise to **diagnose the exact problem**. Symptoms like a slow or stuck roof could be caused by:- A **faulty roof switch** (cheaper to replace, $50 $150).
- **Worn roof cables or pulleys** (can be serviced for $100 $300).
- **Electrical issues** (corroded connectors, blown fuses).
- Replacing the entire motor module when a smaller fix is needed is unnecessary and costly.
4. **Risk of Counterfeit or Low-Quality OEM Parts**
- Not all sellers offering "OEM" parts are legitimate. Some may sell **gray-market or remanufactured units** that, while labeled as OEM, may not meet BMW s exact specifications.
- Buying from **unverified sources** (e.g., eBay without seller guarantees, random online marketplaces) increases the risk of receiving a faulty or incompatible part.
5. **Labor Costs for Installation**
- While the part itself is expensive, **labor costs** for professional installation can add **$200 $500 **, depending on the shop.
- Aftermarket parts may require less specialized labor, though improper installation can still void warranties or cause further damage.
6. **Environmental and Ethical Concerns**
- OEM parts come from **new manufacturing**, which has an environmental impact (resource extraction, production waste).
- Aftermarket or remanufactured parts often use **recycled or refurbished components**, reducing waste.
7. **Potential for Overengineering**
- The E88 s roof system is **notoriously delicate**, and the motor module is a **common failure point** due to wear over time.
- Some owners may find that the motor lasts **longer than expected** with proper maintenance, making replacement premature.
---
### **Key Considerations Before Purchasing**
1. **Diagnose the Exact Problem**
- Use an **OBD-II scanner** (e.g., BMW-specific tools like **INPA, ISTA, or even a generic scanner**) to check for error codes related to the roof system (e.g., **B1000, B1001, B1002**).
- Inspect the **roof switches, wiring harness, and motor for physical damage**.
- If the motor is confirmed dead (no power, no response), replacement is necessary.
2. **Compare Pricing and Sources**
- **Authorized BMW Dealers** (most expensive but reliable).
- **BMW Approved Parts Suppliers** (e.g., **BMW Parts USA, Euro Car Parts**) often a good balance of price and quality.
- **Reputable Aftermarket Brands** (e.g., **Dekra, ACDelco, or BMW-specific aftermarket suppliers**) cheaper but ensure compatibility.
- **eBay, Facebook Marketplace, or Online Auctions** risk of counterfeits; verify seller reputation.
3. **Remanufactured vs. New OEM**
- **Remanufactured OEM parts** (e.g., from **BMW s remanufacturing center**) are often **50 70% cheaper** than new and come with warranties.
- **New OEM** is only necessary if you want a **brand-new, unused part**.
4. **Labor vs. DIY**
- If you have **mechanical and electrical experience**, replacing the motor module is **doable** (requires removing the rear seats, unplugging connectors, and installing the new unit).
- If not, **professional installation is recommended** to avoid voiding warranties or causing further damage.
5. **Alternative Solutions**
- **Roof Conversion Kits** (e.g., **manual or electric conversion to a hardtop**) if the roof is beyond repair, this can be a **permanent solution** (costs **$3,000 $8,000 ** but eliminates future roof issues).
- **Aftermarket Motor Upgrades** Some aftermarket motors (e.g., **Dekra**) are designed for longevity and may be a cost-effective alternative.
---
### **Conclusion**
Buying the **BMW 54347167911 hydraulic pump motor module** for your E88 convertible is the **most reliable and long-term solution** if the motor is confirmed faulty. The **OEM part ensures compatibility, durability, and professional-grade performance**, making it ideal for owners who prioritize **reliability, resale value, and peace of mind**.
However, the **high cost** and **potential for overkill** (if the issue is minor) make it less ideal for budget-conscious buyers. **Aftermarket alternatives** can be a **more economical choice** if sourced from reputable brands, though they may lack the same warranty and longevity guarantees.
**For most E88 owners facing a failed roof motor, the OEM part is the best investment** provided the diagnosis is accurate and the part is purchased from a **trusted source**. If the budget is tight, a **remanufactured OEM or high-quality aftermarket motor** may be a reasonable compromise.
---
### **Final Recommendation**
1. **If you can afford it and want the best long-term solution:**- **Purchase the OEM part (54347167911) from an authorized BMW dealer or BMW Approved Parts supplier.**
- **Get it professionally installed** to ensure proper calibration and avoid voiding warranties.
- **Consider a remanufactured OEM unit** if cost is a concern but quality is still a priority.
2. **If you're on a budget but still want reliability:**- **
Details:
24 TURN-AROUND TIME WITH PRIORITY MAIL SHIPPING. 2012 BMW E88 135i DCT RWD CONVERTIBLE 111K Miles 3.0L N55. 30 DAY WARRANTY. COLOR CODE: TIEFSEEBLAU BLUE METALLIC A76.
No guarantee of color match for exterior or interior parts.
part #: 54347167911 prices
- $202.48-$339.15
specifications sunrooconvertib:
- for models: E88
- for makes: Bmw
- for years: 2008-2013
- mpn: 54347167911
- type: Hard Top Hydraulic Pump
- oe/oem part number: 54347167911, 54347190715, 54347171303, 1-109999, Bm0c10490173
- manufacturer warranty: 1 Month
- features: Durable, Easy Installation
- vintage part: No
- placement on vehicle: Rear
- country of origin: Germany
offer sunrooconvertib:
- availability: In Stock
- quantity: 1
- best offers: True
- sold: 0
- options: Ship-to-home
- started: March 26, 2026
returns sunrooconvertib:
- paid by: Seller
- time: 30 Days
- policy: Returns Accepted
general sunrooconvertib:
- Exterior Parts Accessories > Roofs, Tops Sunroofs > Hardtops, Roof Panels Parts
- condition: Used
shipping sunrooconvertib:
- service: Expedited
- transit: 4-8 Days
- class: Expedited
- cost: $28.00
- type: Fixed
payments sunrooconvertib:
- credit card: Discover
- other
- wallet: Google-pay
seller sunrooconvertib:
- city: Garland, Texas
- rating: 99.6%
- # reviews: 3787
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