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BMW 3 Series G20

BONOSS Forged Grade 12.9 Shell Type Lock Bolt Kits

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BONOSS Business:

For nearly 10 years now, BONOSS is the name after BLOXsport upgrade, it has been the go-to place for aftermarket wheel parts in just about every corner of many countries. With humble beginnings in 2014, BONOSS has developed to become a more influential retailer of all time. Now, BONOSS manufactures wheel parts including wheel spacers, wheel adapters, wheel bolts, wheel nuts, wheel stud conversion kits. We provide OEM/ODM/Custom and other services.

We have provided our products with many cars and received feedback from the distributors and customers. The following feedback was from a BMW 3 Series G20 customer, he chose a kit of BONOSS Forged Grade 12.9 Shell Type Lock Bolts. According to the data of BMW 3 Series G20 we collected before, front 27mm (1 inch) rear 27mm (1 inch), PCD 5*112, CB 66.5, (BBS Custom Wheels) conical seat bolts M14*1.25, we recommended installing 28mm’s product.

What does Shell Type Lock Bolt Kit do?

The product was named by BONOSS and this latest product is welcomed by many customers, short type and long type can be selected by customers, the product upgrades the appearance of bolt, match the bolt with a 7075-T6 material shell, that is the reason why BONOSS name it “Shell Type”. The shell has two functions. First, protect the wheel bolts from debris and water corrosion, extend the service life of wheel bolts. On the other hand, the trend of modding our unique cars is a part of car culture. We hope every car is special for every driver, even the detail of a piece of the bolt.

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BMW 3 Series G20

As a representative brand of rear-drive vehicles, BMW has an unshakable position. G20’s driving dynamics steering is intuitive and predictable, the suspension is firm without roughness, throttle response is rewarding with acceleration. What makes us surprised is how the TU B46 4-cylinder engine performed like a 6-cylinder with an amount of horsepower and torque. The acceleration definitely felt faster than BMW’s claim. The stiffer chassis and improved torsional rigidity enabled it to accelerate through sharp turns with confidence.

This G20 modified a lot, the customer customized a kit of BBS wheels, install the MP Calipers, and added the front lip, tail, grille for the car. The front lip, tail, and grille all carbon fiber material. The golden color and carbon fiber make an impression.

This BMW 3 Series G20 mods:BONOSS Forged Grade 12.9 Shell Type Lock Bolt Kits, BBS Customize Wheels, MP Caliper, Carbon Fiber(Front Lip, Tail, Grille).

(Pay attention: the reason why the customer chooses conical seat bolts is changing the wheels, the bolts seat type should match the wheel seat type.)

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BONOSS Shell Type Lock Bolt Kits Material and performance:

The product adopts SCM440 material as the material of the bolt. The shell is made of 7075-T6 material, 8 colors can be selected including sliver, red, purple, black, golden, dark green, sky blue, navy blue. Also, we have the long one, it has a longer shell that highlight the wheels. It is a commonly used steel grade for the production of high-strength fasteners. The product has the advantages of stable composition, low harmful elements, high steel purity, small decarburization layer, and few surface defects. The heat treatment quality is stable and the hardness is uniform. The ball and conical seat bolts can be selected according to the stock bolt seat (wheel bolt seat). In addition, different lengths also can be selected (27-75mm) in case of installing the wheel spacers.

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BONOSS Forged Grade 12.9 Shell Type Lock Wheel Bolts

We are proud that the product pass TUV, SGS standard, TUV, and SGS actual test report performance parameters are as follows: (Tested by authoritative third-party SGS TUV certification)

Tensile Strength ≥ 1220MPa

Ultimate Tensile Load ≥ 152000N

Proof Load ≥ 121000N

Limited  Life Range Test ≥ 2000000 Stress Cycles Without Damage

Neutral Salt Spray Test ≥ 192H

BONOSS focuses on the best quality for every customer.

Additional Information:

  • BONOSS Forged 12.9 Grade Shell Type Lock Bolt Kit colors can be customized flexibly. Thus, if you would like different colors of shell type lock bolt kits, feel free to contact us. The data of this BMW 3 Series G20 are front 27mm (1 inch) rear 27mm (1 inch), PCD 5*112, CB 66.5, (BBS Custom Wheels) conical seat bolts M14*1.25.
  • The extended bolts are shell structure design, which effectively protects the bolts from rusting. This BMW 3 Series G20 uses (BBS Custom Wheels) conical seat bolts. If you would like a set of shell type lock bolt kit, please ensure the seat type of the bolts is suitable for threading tightly. And, if you don’t know the proper length, you are welcomed to contact our tech staff freely.
  • Each BONOSS product is printed with the logo of “BONOSS”. This offers an easy method to distinguish other fake and inferior products. At the same time, it also provides a way to find our after-sales service. Our products are 10 Years Limited Warranty (new products with 12 months warranty), which is an excellent and cost-effective choice for your car upgrades.

Interested in purchasing? Click HERE to know more!