Home / Exhaust Systems / G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-…
G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust
G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust — photo 1G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust — photo 2G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust — photo 3G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust — photo 4
☆☆☆☆☆★★★★★ 4.7from the original listing
Winning right now

G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust - CSZ Muffler | Valved Catback & SUV Exhaust

$649 (1-7)
Verification snapshot
✓ Fitment listed for:G01, G02 — confirm year/trim/VIN before ordering
✓ Supplier:Supplier rating 4.7/5 on Alibaba
MOQ:1 set
💡 Supplier-direct price above. See how supplier prices compare to US retail →
Minimum order
1 set
Sold
70 sold
Supplier
Jiangxi Chisuze Auto Parts Co., Ltd. (profile in Who Makes What — evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).)
Compatibility
Listed by supplier for: G01, G02 — 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

This listing mentions: G01 · G02 — confirm against your exact build.

Get Supplier Price on Alibaba →

As an affiliate, we may earn a commission when you buy through links on this site, at no extra cost to you. Full disclosure

Want a better price? Ask the supplier whether a better price is available and mention @royblinge90 sent you.
Got questions? DM me on Instagram @royblinge90 — I answer fast, and I'll make sure you get the right part.
! Fitment check: Fitment is never guaranteed from a listing page. Always confirm fitment, year, model, trim, engine, and VIN directly with the supplier contact before you buy.
✓ Real listing photos — never placeholders✓ Profile on file — supplier rating and transaction history checked✓ No checkout here — you buy direct from the supplier

Who manufactures this

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

Jiangxi Chisuze Auto Parts Co., Ltd.

☆☆☆☆☆★★★★★ 4.7
Verification
Supplier rating 4.7/5 on Alibaba
Recorded sales
70 sold
Directory evidence
FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).
✓ Why it made the catalog: this listing cleared our quality bar with a 4.7/5 supplier rating, 70 recorded sales, a profile in our Who Makes What directory (evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).).
Full supplier profile →

Supply-chain audit

FactoryPlug is a supply-chain intelligence directory, not a store. We hold no inventory and process no checkouts — this record exists so you can see the real terms before you contact the supplier yourself.

Minimum order quantity
1 set
Material spec
Contact supplier
Shipping terms
Contact supplier — ask about DDP vs DAP before you commit
Seller type
Jiangxi Chisuze Auto Parts Co., Ltd. — Unconfirmed (factory vs trading status unverified; directory evidence: FactoryPlug product database — cataloged from this supplier's Alibaba listings (2026-09-17, 2026-09-22).)
Transaction history
70 sold

Also known as

Also listed and searched as: X3 M40i catback, B58 SUV catback, valved X4 exhaust, valvetronic cat-back exhaust system and performance muffler system.

Buying guides worth reading

About this part

Buyer confirms year/model/VIN with seller. Verification: search-snippet only — URL, numeric ID, and price tiers visible in search results; detail page not directly fetched.

You may also need

More Exhaust Systems →

🔌 Complete the Build

Pairs well with this part — same chassis, no guessing.

More air in, more power out — cooling to match

Going further? The turbo side of the build

G01/G02 BMW X3/X4 M40i B58 3.0T Valvetronic Cat-Back Exhaust $649 (1-7)
Check Fitment →
This sourcing info is free — support it: follow @royblinge90 on Instagram and subscribe to Piston Play on YouTube. Every factory link in one locker: Parts Plug Vault.