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  1. Unloader Relays | BMW Forum - BimmerFest BMW Forums

    Jun 25, 2014 · Can someone tell me what the unloader relays do and are they connected with the ignition switch in some way?

  2. K5 and K7 relay issue | BMW Forum - BimmerFest BMW Forums

    Nov 21, 2013 · From my reading online, the k5 and k7 unloader relays control the blower motor and various other things. My issue has something to do grounding on the solenoid. The relay's …

  3. The elusive terminal R | BMW Forum - BimmerFest BMW Forums

    Jul 12, 2017 · I have tried to determine the source of this signal. It energizes one of the unloader relays, K3. Where does it originate?

  4. Just curious: What is the purpose of the three relays in...

    Jan 14, 2015 · Pretty sure in '01 the fuel pump relay got moved behind the glove box. Unloader relay, rear window defogger relay, and central locking relay. I have 4 relays, 4th is fuel pump. …

  5. Finally, Terminal 15 getting close.... - BimmerFest BMW Forum

    Aug 16, 2019 · A new unloader relay installed but not help. My suspicion is the alternator wire connector. Terminal 15 (center pin in the connector): 0 [V] w/o engine running, 12.7 [V] w/ …

  6. Where is "MY" fuel pump relay? Pic inside - BimmerFest BMW Forum

    Sep 28, 2011 · Rear window defogger relay Central locking relay Unloader relay (arrow below is pointing to it) Fuel pump relay <== only in older E39

  7. Picture & amperage & description of every single...

    Mar 1, 2013 · Picture & amperage & description of every single fuse & relay in the BMW E39 EDIT: Added excellent fuse descriptions from Steve530 from post #4 on 3/3/2012. EDIT: …

  8. No Crank no Start | BMW Forum - BimmerFest BMW Forums

    Dec 8, 2024 · Late production cars have the unloader relay for the rear window demister 9/98 to 3/99 set: - These cars have the unloader relay My car has a brown unloader relay. All …

  9. Detailed step by step diagnostic DIY ... dead battery...

    Feb 4, 2013 · F19 = 5A, (empty) Electronic damper control [QSilver7 says F19 is in-between the ignition switch and an unloader relay terminal 15] F20 = 7.5A, Air conditioner, Heated rear …

  10. Picture & amperage & description of every single...

    Mar 2, 2008 · Picture & amperage & description of every single fuse & relay in the BMW E39 EDIT: Added excellent fuse descriptions from Steve530 from post #4 on 3/3/2012. EDIT: …