BMW F30 F31 F32 F33 Wheel Alloy Rim 18" M Star Spoke 400 8J ET:34 7845880

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F30 F31 F32 F33 Wheel Alloy Rim 18" M Star Spoke 400 8J ET:34 is an original M-line rim, designed specifically for the dynamic 3 and 4 Series models. Its aluminum construction, precisely selected parameters, and the characteristic M Star Spoke 400 design ensure an attractive vehicle appearance and stable handling. This is a proposal for drivers who expect from a rim both solidity and aesthetics consistent with the BMW standard.

Specifications and technical data

• SKU: 7845880-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845880
• Substitutable numbers: 7845880, 36117845880
• Rim diameter: 18"
• Rim width: 8
• Offset (ET): 34
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Technical characteristics of the BMW M Star Spoke 400 rim

The rim belongs to the Wheels category and is made of a lightweight aluminum alloy, which helps reduce unsprung mass and improves suspension response. The applied geometric parameters have been selected to meet the typical requirements of BMW F-series platforms, ensuring proper suspension geometry, correct bolt pattern, and seamless compatibility with the braking system.

The bolt pattern and diameter of the mounting holes are adapted to the five-bolt mounting used in BMW, which facilitates installation and guarantees correct load distribution. A properly selected offset promotes stability at higher speeds and maintains the correct driving line in corners.

Construction and purpose of the BMW aluminum rim

The aluminum construction of the M Star Spoke 400 rim provides a favorable compromise between strength and curb weight. The rim has been designed for everyday use in BMW F-series cars, taking into account the loads resulting from city driving, highway travel, and dynamic operation. As a result, the rim performs well in both factory configurations and with light suspension modifications.

The rim profile and width have been selected to allow the installation of popular tire sizes used in the BMW F30, F31, F32, and F33. This allows for maintaining predictable vehicle behavior, proper tire contact with the road surface, and correct operation of assistance systems such as ABS or traction control.

Benefits of using an original BMW rim

Using an original BMW aluminum rim from the M line brings a number of practical benefits:

• maintenance of factory suspension geometry and predictable vehicle handling,
• stylistic consistency with the M equipment line and other body elements,
• compatibility with factory braking system components and wheel mounting,
• possibility of using typical tire sizes intended for the F-series.

Thanks to this, the rim is a functional solution both when replacing a damaged wheel and when upgrading the car's appearance towards a sportier look. The original aluminum construction also promotes even load distribution and improves ride comfort compared to heavier steel rims.

Condition, application, and selection of the rim

The rim is intended for BMW 3 Series F30/F31 and 4 Series F32/F33 models, in configurations that provide for the use of aluminum rims with parameters similar to the M line. When selecting, it is worth paying attention to compatibility with currently used tires and the vehicle manufacturer's requirements regarding rim size and permissible wheel configurations.

Due to specific mounting parameters, the rim will work well as a replacement for a factory wheel in case of damage to a single unit or as part of a set when gradually replacing the entire set. Precise fitment to the BMW platform reduces the risk of installation problems and minimizes the need for additional modifications.

More about BMW rims and practical tips

If you are planning a comprehensive repair or modernization of the running gear in your BMW and need other components from the same group, such as additional rims, wheel sets, or alternative rim designs, check out the available parts in the BMW Wheels category.

Before purchasing a used aluminum rim, it is worth learning good practices regarding the assessment of rim condition, typical damage, and regeneration possibilities. A detailed discussion of these issues can be found in the article Used rims like new: a guide to buying and refurbishing aluminum rims, which will help you consciously plan your purchase and any potential renovation work.