fits model: E31, E32, E34, E36. make: Bmw. year: 1992–1998.

( Manufacturer Part Number: 07147284478 ), ( Non-domestic Product: No ), ( Color: Silver ), ( Fitment Type: Direct Replacement ), ( Material: Steel ), ( Placement On Vehicle: Left, Right, Front ), ( Type: Steering Wheel ), ( Oe/oem Part Number: 32306795924 ), ( Country Of Origin: Germany )
The **BMW 07147284478 Center Bolt for the Steering Wheel (Allen Key Type)** is a precision-engineered replacement part designed specifically for the E31, E32, E34, and E36 model series of BMW vehicles produced between **1992 and 1998**. This critical component plays a pivotal role in the functionality of the steering column, ensuring a secure and reliable connection between the steering wheel and the underlying mechanical assembly. Crafted from high-grade, durable materials, this bolt is built to withstand the consistent stress and torque exerted during daily driving, preventing loosening or failure that could compromise steering responsiveness or safety.
The **Allen key (hex) design** of this bolt allows for easy installation and removal, requiring a standard hex wrench to tighten or loosen it to the manufacturer s specified torque setting typically around **10 15 Nm** to maintain optimal alignment and prevent premature wear. Compatible with a wide range of BMW models, including the **3 Series (E36), 5 Series (E34), 7 Series (E32), and the Z3 (E36) roadster**, this part is an essential aftermarket solution for owners replacing worn or damaged original equipment bolts, whether due to normal wear, corrosion, or accidental damage. Its **OEM-quality fitment** ensures seamless integration with the steering column s internal mechanisms, reducing the risk of rattling, misalignment, or steering wheel wobble.
Beyond its functional necessity, this bolt contributes to the overall driving experience by maintaining the integrity of the steering system. Over time, vibrations and repeated use can cause the original bolt to strip, corrode, or lose its grip, leading to potential steering wheel detachment a hazardous situation that could result in loss of control. By upgrading to this **high-quality replacement**, drivers can restore confidence in their vehicle s handling while extending the lifespan of their steering components. Whether used in a routine maintenance check or as part of a full steering column overhaul, this **07147284478 center bolt** is a straightforward yet indispensable upgrade for BMW enthusiasts seeking reliability and performance.
### **Pros and Cons of Buying a BMW Center Bolt for Steering Wheel (Part No. 07147284478, Fits E31, E32, E34, E36, 1992 1998)**
#### **Pros:**1. **Authentic Fit and Function** This is an original BMW part, meaning it will fit perfectly without modifications and maintain the correct torque and steering feel. Aftermarket bolts may not align as precisely, potentially leading to misalignment or premature wear.
2. **Durability and Longevity** BMW uses high-quality materials in their bolts, designed to withstand the stress of frequent tightening and loosening. A genuine part is less likely to strip or break over time compared to cheaper alternatives.
3. **Reliability** Since it s a factory-specified component, it meets BMW s engineering standards, reducing the risk of failure that could lead to steering wheel wobble, rattles, or even detachment in extreme cases.
4. **Compatibility with Aftermarket Steering Wheels** If you ve installed an aftermarket wheel, this bolt ensures proper centering and secure attachment, preventing issues like misalignment or uneven pressure on the horn or media controls.
5. **Ease of Installation** Being an original part, it should require minimal effort to install, especially if you re replacing a worn or damaged bolt. No additional tools or adjustments are typically needed beyond a standard Allen wrench.
6. **Resale Value** If you ever sell or trade in your car, having original BMW parts can be a subtle selling point, as some buyers prefer fully stock configurations.
7. **Warranty Coverage** If purchased from an authorized dealer or BMW-approved supplier, the part may still carry some level of warranty, offering peace of mind against defects.
---
#### **Cons:**1. **Higher Cost** Genuine BMW parts are significantly more expensive than aftermarket alternatives. The price can range from **$20 $50 **, depending on the source, whereas knockoffs may cost **$5 $15**.
2. **Limited Availability** Finding this specific part may require ordering from an online retailer (e.g., BMW Parts Experts, RockAuto, or eBay) or a local BMW dealership, which could involve shipping delays if not in stock.
3. **Potential Overkill for Minor Issues** If the bolt is only slightly worn or the steering wheel is slightly off-center, replacing just the bolt may not be necessary. A simple adjustment or tightening might suffice, making the purchase unnecessary.
4. **Risk of Counterfeit Parts** If buying from third-party sellers (e.g., eBay, Amazon, or random online shops), there s a chance of receiving a fake or low-quality replica. Always verify the seller s reputation and part authenticity.
5. **Time-Consuming Replacement** Removing the steering wheel requires disconnecting the airbag (if equipped), which can be intimidating for inexperienced DIYers. Some may prefer professional installation to avoid mistakes.
6. **No Significant Performance Benefit** Unlike engine or suspension parts, replacing this bolt won t improve driving dynamics it s purely a maintenance or fitment issue.
---
### **Conclusion**
Buying the **BMW 07147284478 center bolt** is a **practical and reliable choice** if you need an exact replacement for proper steering wheel centering, especially after installing an aftermarket wheel or if the original bolt is damaged. The part ensures a secure and accurate fit, which is critical for both safety and comfort.
However, if the bolt is only slightly worn or the issue is minor (e.g., a loose wheel), the cost may not justify the replacement. In such cases, a **cheaper aftermarket bolt** (from a reputable brand like **SPC, ACDelco, or Bosch**) could be a cost-effective alternative, provided it s the correct size (typically **6mm Allen bolt**).
For most serious BMW enthusiasts or those who prioritize **authenticity and long-term reliability**, the genuine BMW part is the best option despite the higher cost. If budget is a concern, **verify the aftermarket bolt s quality and compatibility** before purchasing.
---
### **Recommendation**
- **Buy the genuine BMW part (07147284478)** if:- You re installing an aftermarket steering wheel.
- The original bolt is broken, stripped, or causing misalignment.
- You prefer original equipment for peace of mind.
- **Consider an aftermarket bolt** if:- The bolt is only slightly loose or worn.
- You re on a tight budget and can confirm the replacement bolt is **6mm Allen, made of high-quality steel**, and fits the same thread pattern.
- **Where to Buy:**- **Authorized BMW dealers** (most reliable, but pricier).
- **BMW Parts Experts, RockAuto, or eBay (verified sellers)** for genuine or high-quality aftermarket options.
- Avoid unknown sellers to prevent counterfeit parts.
- **Installation Tip:**- If removing the steering wheel, **disconnect the airbag first** (consult a wiring diagram if unsure).
- Use a **torque wrench** to tighten the bolt to the correct specification (typically **10 15 Nm** for BMW wheels).
Ultimately, the **genuine part is the safest long-term solution**, while aftermarket options can work for minor fixes if sourced carefully.
Great condition Check pictures.