{"product_id":"bmw-m2-f87-m3-f80-m4-f82-front-rotor-pair-380-30","title":"BMW M2 F87 \/ M3 F80 \/ M4 F82 Front Two-Piece Rotor Pair — 380×30mm","description":"\u003cp\u003e\u003cstrong\u003eF87 M2 \/ F80 M3 \/ F82 M4 front rotors — 380 × 30 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne disc, three cars. The 380 × 30 mm front rotor is shared across the F87 M2, F80 M3 and F82 M4 — which is exactly why buying the wrong one is easy. The M2 also runs a 400 × 36 mm front disc on some builds, and the G-series cars moved to 380 × 36 mm: same diameter, different thickness.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring, 6061-T6 aluminium hat, stainless floating hardware. 62.4 mm total height, 79 mm centre bore, 5 bolt holes — the F8x hub pattern.\u003c\/p\u003e\n\u003cp\u003eThree numbers identify it: 380 mm diameter, 30 mm thickness, 62.4 mm height. The M2's 400 mm disc is obvious; the G80's 380 × 36 mm is the one that catches people, because the diameter is right and the thickness is not.\u003c\/p\u003e\n\u003cp\u003eOE reference 34112284809 \/ 34112284810 · Minimum thickness 28.0 mm · Bolt holes 5\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFitment check\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eF87 M2, F80 M3 and F82 M4 front, 380 × 30 mm — OE 34112284809 and 34112284810. Not the 400 × 36 mm M2 disc and not the 380 × 36 mm G-series disc.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFixed or full-floating — which one?\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eWith three cars on one disc we see both — Fixed for road cars, Full-floating for cars that see track time. The low-speed rattle that comes with Full-floating is the ring moving, not a fault.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003ePads, bedding and ring replacement\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eOn a shared-fitment disc, pad choice matters more than usual — a pad that runs hot on an M4 will do the same on an M3. Bed in with 6–8 moderate stops from 80 km\/h.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eLead time\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eBuilt to order. Production takes 10–12 days. Left and right are matched and marked before packing. Transit time depends on destination and service — we confirm shipping and delivery dates by email before you pay.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"ZORVANT","offers":[{"title":"Full-floating","offer_id":51267393913057,"sku":"ZR-T-3661-FL","price":639.0,"currency_code":"USD","in_stock":true},{"title":"Fixed","offer_id":51267393880289,"sku":"ZR-T-3661-FX","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1901\/3857\/files\/rotor-floating-2000.png?v=1793682959","url":"https:\/\/zorvantbrake.com\/zh\/products\/bmw-m2-f87-m3-f80-m4-f82-front-rotor-pair-380-30","provider":"ZORVANT","version":"1.0","type":"link"}