APR Performance Carbon Fiber Side Rocker Extensions for BMW F82 M4 2015-2020

Ask an expert

Regular price: $1,741.50
Regular price: ~~$1,935.00~~
Sale price: $1,741.50
Unit price: per

Apply at checkout

Subtotal: $1,741.50

Quantity:

APR Performance Carbon Fiber Side Rocker Extensions for BMW F82 M4 2015-2020

Subtotal: $1,741.50

Not sure it fits? Text us your VINSee all fitment

Vendor: APR Performance

SKU: FS-830402

Questions before you buy? Talk to a specialist.

Fitment and product questions · 9am–6pm Pacific

Call(310) 231-0292 Text(310) 886-3111 ChatLive chat

Price match: found it cheaper?
Secure checkout · Shop Pay · Affirm
AutoTalent since 2006

Free Shipping

Free standard shipping on orders over $99

Coupon Code on First Order

Price Match Guarantee

Free shipping on $99+ order

30-days Returns

Overview

APR Performance's side rocker extensions are engineered specifically for the BMW F82 M4 platform from 2015-2018, addressing aerodynamic efficiency through targeted airflow management. These extensions utilize a vehicle-specific design approach that integrates with the M4's factory aerodynamic profile to reduce lift generation at high speeds by preventing lateral airflow from rolling underneath the vehicle.

The side rocker extensions are constructed from lightweight carbon fiber composites, combining high strength-to-weight ratio with durability for track and street applications. Carbon fiber construction delivers structural integrity while minimizing additional weight that could compromise the M4's balanced chassis dynamics. The composite material provides resistance to environmental factors while maintaining dimensional stability under varying temperature conditions.

The design incorporates a vehicle-specific engineering approach that ensures precise fitment to the F82 M4's unique body contours and mounting points. The extensions create a defined aerodynamic barrier along the vehicle's sides, channeling airflow away from the underbody to reduce lift forces during high-speed cornering scenarios. This airflow control helps stabilize the chassis and can contribute to increased tire contact patch effectiveness for improved traction characteristics during aggressive driving conditions.

Each kit includes complete mounting hardware with screws, nuts, and washers specifically selected for the installation requirements. The vehicle-specific design eliminates fitment concerns while the included hardware ensures secure attachment to factory mounting locations without requiring modifications to the original vehicle structure.

Compatibility: 2015-2018 BMW M4 F82
Material: Carbon Fiber Composite
Included: Mounting hardware (screws, nuts, washers)
Not Compatible With: Non-M4 F82/F80 models
SKU: FS-830402

Vehicle Fitment:

MAKE	MODEL	CHASSIS	YEAR	ENGINE
BMW	M4	F82	2015-2020	S55 3.0L Inline-6 Biturbo

Fitment

Year	Make	Model
2015–2020	BMW	M4

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions