BMW M3 M4 M CSL Style Carbon Fiber Front Lip Splitter 2021+

This BayOptiks front lip or splitter is designed around the listed vehicle applications and selected configuration. Confirm the complete fitment, factory equipment, finish, quantity, and installation requirements before ordering.

Key Features

• The CSL style front splitter is made with high quality dry carbon with three separate pieces: Front lip, left and right side splitters.
• 100% Pre-peg Dry Carbon Fiber 2×2 Weave.
• All sales are final across all of our headlight, taillight, and carbon fiber products and we do not accept returns.
• We can only exchange taillights/carbon fiber for the same model taillights/carbon product if there is a defect which needs to be verified and evaluated via photo and video proof.

Fitment

Specifications

What’s Included

One new BayOptiks product in the exact quantity and configuration identified by the product title and selected option. Mounting hardware, adapters, modules, wiring, seals, emblems, cameras, sensors, and companion trim are included only when expressly stated for that configuration.

About BayOptiks

BayOptiks offers application-specific automotive lighting and exterior styling products. Compatibility depends on the exact vehicle, factory equipment, production split, and selected configuration.

Related BayOptiks Products

• 2021+ BMW M3 M4 M Performance Style Carbon Fiber Front Splitter Lip
• 2021-Present BMW M3 M4 Vorsteiner Style Carbon Fiber Front Lip Splitter
• 2021+ BMW M3 M4 M Performance Style Carbon Fiber Rear Spoiler Wing

Browse the BayOptiks collection for related lighting and exterior styling components.

Frequently Asked Questions

Will this fit my 2021-2025 BMW M3?
That application is listed, but confirm the complete product title, body style, trim, factory bumper or lighting package, production split, selected configuration, and every product note before ordering.

Does the factory bumper or trim package affect fitment?
It can. Confirm body style, trim, bumper, aero package, camera and sensor equipment, and every exclusion before ordering.

Should the part be test-fitted before installation?
Yes. Check shape, mounting points, gaps, surface condition, and all companion parts before drilling, bonding, painting, or final fastening.

Does the finish require special care?
Use products approved for the listed material and finish. Avoid abrasive compounds, harsh chemicals, and excessive heat unless BayOptiks specifically permits them.

Installation Instructions

Follow the current BayOptiks instructions and vehicle service information for this exact configuration. Verify the vehicle, factory equipment, selected option, tools, hardware, wiring, sealing, aiming, clearances, surface preparation, cure times, and final operation. Test-fit before permanent modification and use a qualified installer when coding, wiring, body adjustment, drilling, bonding, or lighting aim is required.