2014-2019 F80/F82/F83 BMW M3/M4 Carbon Fiber Rear Diffuser - PSM Style, 4-Piece | Rear Valance & Diffuser

$464.80-560

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Minimum order: 2 pieces
Sold: 36 recent views (sold count not shown)
Supplier: Guangdong Carbonss Tuning Co., Ltd. (profile in Who Makes What — evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-21, 2026-09-22).)
Compatibility: Listed by supplier for: F80, F82, F83 — year, model, trim, engine and VIN still needed before ordering.
Shipping: Quoted by the supplier — ask about DDP vs DAP and delivery time in writing before paying
Added: 2026-09-17

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This listing mentions: F80 · F82 · F83 — confirm against your exact build.

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Who manufactures this

The part matters — but so does the factory behind it. Here's exactly who manufactures this component.

Guangdong Carbonss Tuning Co., Ltd.

★★★★★★★★★★ 5.0

Verification

Supplier rating 4.5/5 on Alibaba

Recorded sales

36 recent views (sold count not shown)

Directory evidence

FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-21, 2026-09-22).

✓ Why it made the catalog: this listing cleared our quality bar with a 5.0/5 supplier rating, a profile in our Who Makes What directory (evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-21, 2026-09-22).).

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Supply-chain audit

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Minimum order quantity: 2 pieces
Material spec: Carbon Fiber
Shipping terms: Contact supplier — ask about DDP vs DAP before you commit
Seller type: Guangdong Carbonss Tuning Co., Ltd. — Unconfirmed (factory vs trading status unverified; directory evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-21, 2026-09-22).)
Transaction history: 36 recent views (sold count not shown)

Also known as

Call it what you want — it's the same part. Younger builders call these PSM diffuser, PSM-style diffuser, 4-piece diffuser and rear valance. Old-school guys call them rear bumper diffuser, four-piece rear diffuser and rear valance.

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About this part

Material: Carbon Fiber
Chassis codes: F80, F82, F83
Minimum order: 2 pieces
Supplier rating: 5.0/5

"PSM Style" = replica naming. Fitment BMW F80 M3 / F82/F83 M4 2014-2019 — buyer confirms year/model/VIN with seller. Supplier storefront featured-products page viewed on 2026-09-17. Search it your way — Younger builders call these PSM diffuser, PSM-style diffuser, 4-piece diffuser and rear valance. Old-school guys call them rear bumper diffuser, four-piece rear diffuser and rear valance.

Supplier rating and transaction history checked before listing
Price shown is the supplier range — final price depends on options and shipping
Questions about fitment? Confirm year, model, trim and VIN directly with the supplier contact