BMW E90 E91 Silver Rear Alloy Wheel Rim 18" ET37 8.5J M Spider Spoke 193 7843841

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E90 E91 Silver Rear Alloy Wheel Rim 18" ET37 8.5J M Spider Spoke 193 is an original, used light-alloy wheel designed for the rear axle of 3 Series models. The characteristic Spider Spoke design and precisely selected technical parameters ensure proper handling, stability, and a consistent look with BMW's factory styling. This is a solution for drivers who want to maintain the original character of the suspension and design when replacing a single wheel.

Specifications and technical data

• SKU: 7843841-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7843841
• Substitutable numbers: 7843841, 36117843841
• Location on the vehicle: Rear
• Color: Silver
• Rim diameter: 18"
• Rim width: 8.5
• Offset (ET): 37
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Wheel construction and parameters

The presented wheel belongs to the Wheels category and is made of aluminum, which helps reduce unsprung weight and improve suspension response to road irregularities. The applied diameter, rim width, offset, as well as the bolt pattern and center bore are adapted to the rear axle of the BMW E90/E91 series, ensuring the wheel works in harmony with the factory suspension geometry and stock braking system components.

The Spider Spoke 193 design provides good ventilation for the area around the brake discs and pads, which promotes stable brake performance during dynamic driving. The aluminum construction is rigid yet relatively lightweight, which helps maintain predictable vehicle behavior in corners.

Purpose and vehicle fitment

The wheel was designed as a rear axle component, which is important both in terms of load capacity and alignment with the front of the vehicle. The mounting parameters are consistent with the typical layout of the BMW 3 Series E90/E91 generation, making it easier to maintain the factory balance between the front and rear axles. The silver finish blends well with most body colors, allowing for an aesthetic match with original front wheels or other wheels in the same design.

By maintaining the correct mounting dimensions, the wheel can be used as a replacement for a damaged wheel or as a component to restore a complete set of original Spider Spoke 193 wheels. The properly selected bolt pattern and number of mounting holes allow for trouble-free seating of the wheel on the hub and compatibility with factory wheel bolts.

Condition, material, and benefits of choosing an alloy wheel

The wheel is in used condition, which allows you to combine a reasonable purchase cost with the preservation of original BMW specifications. The aluminum material of the rim promotes better heat dissipation from the braking system and reduces suspension load compared to steel wheels. This translates into more precise handling, especially at higher speeds and during dynamic maneuvers.

The silver surface of the wheel is visually versatile and facilitates potential renovation work, such as straightening or powder coating. The Spider Spoke 193 design remains recognizable among BMW users, which is important for those who care about the stylistic consistency of the entire vehicle.

Wheel selection and technical support

When selecting a wheel for a specific version of the BMW E90 or E91, it is worth paying attention to the compatibility of mounting parameters with the other wheels on the car to maintain even axle load and proper operation of safety systems. If necessary, you can seek professional assistance to verify compatibility with the tires currently mounted on the vehicle.

If you are planning a comprehensive repair or upgrade of the wheel and tire area in your BMW and need other items from the same group, such as additional rims, seasonal sets, or wheels with a different design, check out the available parts in the BMW Wheels category.

More about purchasing and refurbishing alloy wheels

When choosing a used alloy wheel, it is worth knowing the basic principles of assessing rim condition, the possibilities of refurbishment, and the impact of potential repairs on driving safety. A detailed discussion of these issues, along with practical tips on purchasing and refreshing wheels, can be found in the article Used wheels like new: a guide to purchasing and refurbishing alloy wheels, which will help you consciously plan further work on your car's wheels.