Mass Air Flow Sensor / Meter 99-03 BMW 540i, 740i, X5, E39, E38, Land Rover In order to avoid return hassle and save yours and our time, you must cross-check indicated reference part numbers against those found on your old unit. Do not rely on vehicles compatibility list, which is presented for the reference purpose and shouldn't be your guide to determine compatibility. If you are unsure, you may call local dealership (auto parts dept.) to obtain correct part numbers or ask your mechanic. If you would like us to help you, please contact us and provide your vehicle's detailed info such as: Make/Model/Year/Engine/Full VIN# and we will do our best to find compatibility. PART REFERENCE NUMBERS: OEM: BOSCH: 13621433567 0280217814 0 280 217 814 ROVER: AIRTEX/WELLS: MHK000230 MHK-000230 5S2993 SU6967 BECK/ARNLEY: A-1 CARDONE: 1581069 7410117 74-10117 *Please cross-check indicated OEM reference codes against those found on your current unit. You may call local dealership (auto parts dept.) to obtain correct numbers. COMPATIBLE VEHICLES: * Models presented for reference purpose only! MAKE: MODEL: YEAR: BMW 540I (1999 - 2003) BMW 740I (1999 - 2001) BMW 740IL (1999 - 2001) BMW X5 (2000 - 2003) BMW Z8 2003 LAND ROVER RANGE ROVER (2003 - 2004)