1. What is the size of BMW Z4 extended wheel bolts?
These items are made of exactly BMW Z4 (G29) wheel bolts specifications:
Thread Size: M14x1.25
Ball seat/conical seat is available for aftermarket wheels;
It is recommended that choose a set of aftermarket wheel bolts that is the same thread as the original equipped one. At the BONOSS store, we have lined up these ISO Grade 12.9 BMW Z4 wheel bolts according to the specifications of the OE ones. Just tell us the model and year of your car, simple and high effective. For more details, check on What sizes are wheel bolts on my car.
2. What are BONOSS extended wheel bolts on BMW Z4 cars?
BONOSS extended BMW Z4 wheel bolts apply forged SCM440 alloy steel material. The forged process provides great fatigue strength and tensile strength, hard and high-temperature resistance. They have been fully SGS TÜV ISO standard certificated: Tensile Strength ≥ 1,282Mpa, Limited Life Range Test ≥ 2,000,000 Stress Cycles Without Damage, Ultimate Tensile Load ≥ 152,000N, Proof Load ≥ 121,000N, and Hardness (Vickers) ≥ 394. In addition, the precision of BONOSS extended lug bolts has reached 0.02mm. High-precision car wheel bolts provide high surface integrity, stability, and reliability, and ensure a smooth installation experience.
3. What seat types of extended wheel bolts do I need?
BONOSS BMW Z4 extended wheel bolts are designed with floating seats. The floating seats are replaceable which allows for a perfect fit on any wheel. They are mainly available in two options depending on lug bolt size: conical seat and ball seat (R13 or R14). Besides, the separate design eliminates the bolts loosening and abnormal sound caused by the PCD hole coaxially deviation between the vehicle hub and wheels while driving. Since the floating seats are not fixed, they can effectively prevent your beautiful wheels from being scratched by the bolts. If you plan to keep the stock wheels, you need wheel bolts with the same seat type as the stock ones. If you intend to run aftermarket wheels, then both radius and conical seats are possible.
4. Will the BMW Z4 extended wheel bolts come loose?
If a wheel bolt breaks due to corrosion, it may gradually loosen. BONOSS BMW Z4 extended wheel bolts apply an excellent Electrophoretic coating process. It is useful to protect your wheel bolts from corrosion. Every part of the surface is evenly coated with the paint, nowhere is missing. This improves the appearance of wheel bolts. Moreover, it also behaves greatly to stand up to extreme environments such as water, sunlight, chemicals, etc. This means Electrophoretic-coating extended wheel bolts are not easy to corrode or oxidate which makes them safely work for long-term use.
5. How long are BMW Z4 extended wheel bolts for wheel spacers?
When it comes to extended wheel bolts for wheel spacers, the thread engagement length is critical. There is a golden rule: at the minimum, thread engagement length must be equal to or greater than the diameter of the fastener. If you install 10mm spacers, simply add up 10mm to the stock bolt length, the result value is the length of the extended bolts. (OEM bolt length + spacer thickness = extended wheel bolt length). BONOSS offers a full line of extended wheel bolts to suit your new wheels or wheel spacers, lengths from 27mm to 75mm.
6. What does the “BONOSS Engraved” mean?
In order to get maximum performance and better experience, it is vital that you have brand new BMW Z4 wheel bolts for whatever purpose you want to achieve. Before leaving the factory, the tech staff will do a series of inspections to make sure that they meet the design specification. To keep the fake products away, each BONOSS extended wheel bolt is “BONOSS engraved”, meaning these extended wheel bolts are made by BONOSS’s own factory, the quality is guaranteed, customers’ interests are protected, and BONOSS takes the quality responsibility. For more details, check on How to determine BONOSS genuine extended wheel bolts.
7. Can I customize BMW Z4 extended wheel bolts?
BONOSS independent design and customization department and professional customized production line can complete your BMW Z4 extended wheel bolts within a few days. OEM/ODM is available. Besides, if you need a custom lug nut with unusual thread, hex size, or length, BONOSS custom service is ready to listen to your requirements. Materials, thread sizes, colors, decorative patterns, and more options can be all customized to you. For more details, check on the BONOSS custom wheel bolts service.
8. Do you have any SGS TÜV test reports of BMW Z4 extended wheel bolts?
To earn customers’ trust, which is also our confidence in product quality, BONOSS has fully passed more ISO standard SGS TÜV authoritative testing, and all achieved excellent scores. By these authoritative test reports, BONOSS truly achieves the quality and professionalism expressed in the form of data and truly guarantees safety. We believe high-standard quality management, together with authoritative certification reports, is the best way to meet customer and regulatory requirements. For more details, check on BONOSS extended wheel bolts quality certificated.
9. What do BMW Z4 extended wheel bolts do for BBS/Work/HRE/RAYS/OZ wheel rims?
The seat parts of BONOSS extended wheel bolts are floating styles. This makes it convenient to change the seat types to fit various wheels. Compared to the integral-seat wheel bolts, they are more flexible. By simply changing the seat washer, you can transform a conical seat into a ball seat. They fit the following aftermarket rim brands: Work Wheels, BBS Wheels, Fuel wheels, Forged wheels, American Force Wheels, Enkei Wheels, OZ Wheels, SSR Wheels, Vossen Wheels, HRE Wheels, RAYS Wheels, and so on. Our customer service will answer if you have any doubts about the aftermarket rim.
10. How to install BONOSS extended wheel bolts for BMW Z4 cars?
Replacing BMW Z4 wheel bolts is an easy job for you. Hopefully, the instructions below can help those of you keen to replace wheel bolts yourself. For more details, check on How do I install new wheel bolts.
11. Who sells BMW Z4 extended wheel bolts near me?
BONOSS has cooperated with distributors worldwide. You can click to check on the dealers’ location. Or, you can place an order directly on our sales page. Sufficient inventory can be timely delivered in most countries and regions. For more details, check on Who sells extended wheel bolts near me.
1. How can I get my BMW Z4 extended lug bolts? How much is the freight, including domestic import duties?
After you place an order, BONOSS shipping department will give priority to choose FedEx, DHL, TNT, UPS, EMS, or other expresses, striving to deliver the wheel bolts you ordered to you in the shortest possible time. The freight depends on the shipping weight and volume, excluding tariffs! It does not include special service fees in remote areas (in rare cases, we will contact you in advance if there are any).
2. How long will it take to ship my BMW Z4 wheel bolts?
For in-stock BONOSS BMW Z4 lug bolts, normally ship within 24-48 hours. For custom-made BMW Z4 wheel bolts, normally ship within 3 working days (some special custom orders and models may take a longer time). Once your wheel bolts are shipped out, we will send the tracking numbers to the email you provided. Please pay attention to check it. If you have not received the tracking number or you have other problems, please contact our friendly customer service.
3. How long can I get my BMW Z4 extended spacer bolts?
Generally, it takes 3-7 working days to arrive. Aviation, weather, politics, and customs inspection may cause a delayed delivery. But it usually doesn’t take long, please feel free. We will follow up the whole process to make your BMW Z4 car lug bolts delivered faster. When the package(s) arrives at your local delivery service center, Congratulations, you are about to receive your new locking lug bolt kit!
4. Where will my BMW Z4 aftermarket lug bolts be sent from?
BONOSS warehouses exist in different countries and regions. Priority to choose the closest warehouse to your order address, or the most price-friendly area for delivery. We recommend purchasing from local dealers, so as to get your BMW Z4 tire bolts instantly as well as save much shipping fees. Click to find out Who sells wheel bolts near me.
5. Can my BMW Z4 longer wheel bolts be sent to my country and location?
Through FedEx / DHL / UPS / TNT / EMS multiple express delivery methods, BONOSS BMW Z4 wheel lug bolts can be delivered to most of the countries and regions in the world, you don’t need to worry about this problem. But a few remote carriers will charge special service fees (in rare cases, we will contact you in advance if there are any). If you meet any doubts, please contact our friendly customer service.
6. What should I do if there is a problem with my BMW Z4 wheel nut bolts transportation?
In rare cases, due to the third party, the package(s) might be damaged, lost, delayed, etc. during transportation. Once this happens, or if you encounter any problems during the delivery of your BMW Z4 wheel bolts, please feel free to Contact Us, and we will help you strive for the maximum interest.
Notice: In some situations, when the BONOSS BMW Z4 lug bolts arrive at your local Delivery Service Center, but you did not clear customs or sign for receipt in time, you will assume full responsibility for the package(s) being returned or destroyed.
Thank you for choosing BONOSS BMW Z4 Extended Wheel Bolts. In order to provide you with a more convenient, fast, and safe payment method, BONOSS selects most of the popular international trading methods. If none of the payments below is suitable for you, please contact us for the solution. So far, BONOSS fully supports the following payments:
(1) Recommend PayPal.
(2) Bank Telegraphic Transfer (T/T) Accepted.
(3) Western Union Payment Accepted.
(4) Alipay and WeChat Pay Accepted.
(5) Not Accepted Cryptocurrencies.
Notice: Please ensure that the Billing details and Shipping address are completely correct, and welcome to Contact Us if you have any questions.
We sincerely hope that our products bring a good experience and happiness to your life. The return will bring actual interest losses to each other, we do not recommend this, but we fully respect your right to return. We agree to a 100% refund for the product when the following conditions are met, but you need to bear the resulting freight and taxes.
(1) Within 30 calendar days.
(2) The product has not been used, the package is complete, and the product will not affect the second use.
(3) Customized products do not support returns.
If you have consulted our professional services before purchasing, and the product is not applicable due to our reasons, we will take the responsibility of returning the product(s). For more details, check on the Terms and Conditions.
Thank you for choosing BONOSS BMW Z4 Extended Wheel Bolts. BONOSS has been designing and manufacturing wheel bolts since 2007. Professional production experience and excellent product quality make us confident to provide a Super Long Warranty Service of up to 10 years that far exceeds the period of most brands.
BONOSS promises that if there is any quality problem with the product within 10 years, we will provide warranty service. Please Check the Warranty.
Thank you sincerely for choosing BONOSS BMW Z4 extended wheel bolts! These lug bolts were manufactured from the finest materials and to the highest quality standards in the industry. We believe that you are in love with life, full of happiness, and keen to share, just like most BMW Z4 car owners.
We hope you can share your story with your friends on social networks such as YouTube, Facebook, Instagram, etc., telling them the reasons for choosing BONOSS BMW Z4 wheel bolts, the installation process, before and after comparison, and your experience after the installation. Share the excellent story between you and your BMW Z4 cars, e.g., videos and pics about your mods of wheels, tires, brakes, body kit, suspension…
We are also glad to see your excellent modification ideas! Posting your story and @BONOSS, or sending videos and pictures to us, we will forward your wonderful story to our Official Social Account or publish it on the BONOSS Official Website to share your happiness with more friends. At the same time, any suggestions for our products are welcomed. It will be of great help to improve our products. In addition, if you have any questions about the BONOSS BMW Z4 wheel bolts or need our assistance while using them, please get in touch with us today by email or telephone. We look forward to your feedback and will of course reply as soon as possible. Whether you have shared or given us suggestions, we prepared special coupons for you. Contact Us and get them right now!