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      12-27-2023, 01:56 PM   #30
Junebug85
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Drives: BMW 540i xDrive - M Sport Plus
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Quote:
Originally Posted by Fatlab View Post
My 2018 X3 M40i (G01) started losing position a week ago and I thought it was just an accuracy problem. Kept putting me just off the motorway, the way it runs for a few seconds when you ignore a motorway exit.
Today it got worse and finally failed. Got directional orientation OK but location is now stuck at 100 miles away.
I've just gone into the Service Menu and got "GPS Status: Check Antenna" too.
I've had a look at replacement parts and can't find a definitive part code but it looks like the G range (G01 - X3, G30 - 5 series) all use the same electronics platform for comms and nav. Pricing from ebay seems to be around £65 for reclaimed units but not had a chance to get a dealer supply and fit price yet.
I just checked and the X3 is not listed down for the part I fitted. It has a different part number. The dealer should be able to advise which one you need... It depends on the options/spec you have that will determine which part number you need for the antenna. Have a look on realoem.com - that should be helpful and you might be able to work it out from there.
These are a few of the antenna part numbers listed for an X3 G01...

65209291484
65208794527
65208795961
65208795963

If it were me, I'd just buy a new one rather than a reconditioned one... just for piece of mind and less hassle if it turns out to be faulty or goes wrong in a few months or so.
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G30 540i xDrive / Stage 3 via BM3 / xHP Stage 3 / Pure 800 Cast Turbo / 5" Catted Downpipe / MST Intake / Remus Exhaust / MSS Springs / 19" JR SL01 & Conti SC7 / 20" BBS CI-R & Michelin PS4S / F90 Sway Bars & Braces / Lots of Gloss Black
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