2007 N52 Spark Plug Torque Spec
01-20-2014, 05:19 PM
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My Ride: 2007 525i - Titanium Silver Metallic - Gray Dakota Leather - Multi Contour Seats - Cold Weather and Premium Packages - Xenon - Sirius
Current Basic Mods - Rear Bumper Reflectors - KUDA Leather Mount with Garmin nuvi 255W
2007 N52 Spark Plug Torque Spec
Hi All -
I searched and searched (on here, Google, Youtube, etc) and for some reason I cannot locate the spark plug torque spec for my vehicle. (2007 525i I6 N52)
I found it for older models and 530's, but just wanna make sure I have the correct value for my E60 525.
I'm seeing anywhere from 18-23 ft lb's.
Can someone please confirm?
I searched and searched (on here, Google, Youtube, etc) and for some reason I cannot locate the spark plug torque spec for my vehicle. (2007 525i I6 N52)
I found it for older models and 530's, but just wanna make sure I have the correct value for my E60 525.
I'm seeing anywhere from 18-23 ft lb's.
Can someone please confirm?
01-20-2014, 05:29 PM
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My Ride: 2007 525i - Titanium Silver Metallic - Gray Dakota Leather - Multi Contour Seats - Cold Weather and Premium Packages - Xenon - Sirius
Current Basic Mods - Rear Bumper Reflectors - KUDA Leather Mount with Garmin nuvi 255W
BTW...installing NGK Laser Platinum's (PLZFR6A-11S). Thanks!
01-20-2014, 05:39 PM
#3
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Bentley manual says:
N52 engine use thin walled spark plug socket. If thin walled socket not available, carefully remove slotted ignition coil sleeves from cylinder head cover holes [it looks like a few inch long metal tube down the hole where the spark plug sits].
Remove plug.
Lightly lubricate new spark plug threads with copper-based anti-seize compound.
Plug part number:
N52 - Bosch FR7NPP332, NGK ILZFR6D11
Thread plug by hand before tightening. 23 +/- 3 Nm (18 +/- 2 ft-lb)
Replace slotted ignition coil sleeves if you removed them.
Replace ignition coils.
N52 engine use thin walled spark plug socket. If thin walled socket not available, carefully remove slotted ignition coil sleeves from cylinder head cover holes [it looks like a few inch long metal tube down the hole where the spark plug sits].
Remove plug.
Lightly lubricate new spark plug threads with copper-based anti-seize compound.
Plug part number:
N52 - Bosch FR7NPP332, NGK ILZFR6D11
Thread plug by hand before tightening. 23 +/- 3 Nm (18 +/- 2 ft-lb)
Replace slotted ignition coil sleeves if you removed them.
Replace ignition coils.
01-20-2014, 05:44 PM
#4
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My Ride: 2007 525i - Titanium Silver Metallic - Gray Dakota Leather - Multi Contour Seats - Cold Weather and Premium Packages - Xenon - Sirius
Current Basic Mods - Rear Bumper Reflectors - KUDA Leather Mount with Garmin nuvi 255W
Thanks TWH! I wasn't sure if the N52 on the 525 vs the 530 had a different head / different torque value. Appreciate your reply! Cheers
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