Turbo-Tuner ECU's for the 4.3 Motronic cars. Retail price of $899.95 + shipping. $150.00 core charge, refundable upon receipt of replacement core. 4.4 Motronic is now available! In stock Motronic 4.3 ECU's for 1994-1997 YM 850 series, Auto or Manual transmissions. Send in your qualifying core and your new Turbo-Tuner ECU will ship same day if possible. Now equipped COP ready!