| Donor car: BMW M2 G87 (2023, six-speed manual), used | €60,000 | Estimateestimate: no listing looked up in this round |
| KW V4 Clubsport 3-way coilovers | €6,500 | Estimateestimate: KW V4 for the G87 lists at 6,934-7,194 USD (BimmerWorld, ModBargains); the Clubsport price is not published |
| Race springs, set | €600 | Estimateestimate: 600 EUR as on the E46 GT3's and the RS6 GT3's kits |
| Race pads, cooling ducts, race brake fluid | €2,000 | Estimateestimate (BMW M2 Racing layout: stock M Compound brakes with race pads and ducts) |
| BMW M2 CS Racing wheels 10.5 x 18, set | €3,400 | Estimateestimate |
| Slicks 285/645-18, set | €1,700 | Estimateestimate |
| Vulcan Alpha carbon splitter (price reference) | €4,500 | Vulcan Alpha GmbH, G87 front splitter, 4,500 EUR net vulcan-alpha.com |
| Vulcan Alpha DRS swan-neck wing (price reference) | €14,500 | Vulcan Alpha GmbH, G87 DRS wing, 14,500 EUR net vulcan-alpha.com; the single-element wing (3,700 EUR net) is the garage option |
| Vulcan Alpha carbon canards (price reference) | €750 | Vulcan Alpha GmbH, G87 canards, 750 EUR net vulcan-alpha.com |
| BMW M Performance carbon side skirts | €2,000 | Estimateestimate: price not looked up in this round |
| BMW M Performance carbon rear diffuser | €2,500 | Estimateestimate: price not looked up in this round (Kunos' M Performance diffusor type 2, fitted by default) |
| M4 GT3 sequential six-speed gearbox with paddle shift | €55,000 | Estimateestimate: no price found for the Xtrac gearbox of the M4 GT3 |
| Gearbox installation: bellhousing, mounts, propshaft, actuator | €6,000 | Estimateestimate |
| Plate limited-slip differential (M4 GT3 type) | €4,000 | Estimateestimate |
| Welded FIA cage, kit only (fitting in labour) | €8,500 | Estimateestimate |
| 84 l FT3 safety cell + pumps | €3,800 | Estimateestimate |
| Race seat + harness | €2,800 | Estimateestimate |
| Safety extras: plumbed extinguisher, kill switch | €900 | Estimateestimate |
| Race electronics: power distribution, loom, lithium battery | €5,500 | Estimateestimate |
| Carbon bonnet, boot lid and door skins; polycarbonate rear windows | €9,000 | Estimateestimate |
| Labour: strip-out 30 h, cage 90 h, cell 15 h, gearbox 25 h, suspension and brakes 20 h, aero 15 h, wiring 45 h (240 h) | €40,800 | Estimateestimate: 240 h x 170 EUR (net; German workshop rate over 200 EUR/h incl. VAT, GDV / auto motor und sport 7 Oct 2025, auto-motor-und-sport.de) |
| S58 software at the 2025 M2 calibration (480 PS) | €1,200 | Estimateestimate |
| Labour: alignment, corner weights, shakedown (12 h) | €2,040 | Estimateestimate: 12 h x 170 EUR (net; German workshop rate over 200 EUR/h incl. VAT, GDV / auto motor und sport 7 Oct 2025, auto-motor-und-sport.de) |