Parts & Accessories Spare parts Engine overhauls from 500 to 1000 for all cars, and oil leaks (seals and suspension) from 400 to 600 for all cars. Tuning, including the intake manifold, from 150 to 250. Computer diagnostics for 30. Brake pad replacement for 30 SAR. Axle replacement for 50. Wiring harness insulation from 400 to 600.