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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sun, Mar-04-2018, 04:24:28 AM   #1
Volgoat
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Default M3 Differential Mounting Bolts

Hello, all. I am doing a full M3 subframe and diff/axle swap on a 2002 330i. I am missing the bolts for the 3 differential mounts (1 front / 2 rear) and I'm trying to find part numbers, but not having much luck searching. Would appreciate anybody that could direct me to them.
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Old Sun, Mar-04-2018, 04:26:57 AM   #2
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Default Re: M3 Differential Mounting Bolts

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Originally Posted by Volgoat View Post
Hello, all. I am doing a full M3 subframe and diff/axle swap on a 2002 330i. I am missing the bolts for the 3 differential mounts (1 front / 2 rear) and I'm trying to find part numbers, but not having much luck searching. Would appreciate anybody that could direct me to them.
Realoem is your friend. You need #9,10,11, make sure to get the right quantities.

http://www.realoem.com/bmw/enUS/show...diagId=33_1076

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All DIY: 330 ZHP steering rack, diffsonline 4.1 diff with rem polish, E60 short shifter lever, AKG black diff bushings/subframe bushings, Rogue rtab, WPC rod bearings, Beyer driveshaft, full SS (SS stepped V1, catted S1, resonated S2, SS sport), Sachs clutch/flywheel, rear main, VANOS bullet proofing with anti-rattle, valve adjustment, cooling refresh, Ohlins R&T/Swift 448f 672r/GC street tops and camber plates, AFD E85 Proflex kit.
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Old Sun, Mar-04-2018, 04:28:34 AM   #3
Volgoat
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Default Re: M3 Differential Mounting Bolts

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Originally Posted by mrgizmo04 View Post
Realoem is your friend. You need #9,10,11, make sure to get the right quantities.

http://www.realoem.com/bmw/enUS/show...diagId=33_1076

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That was quick. Thank you very much, was unaware of that resource. That will be very helpful.
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Old Sun, Mar-04-2018, 04:33:04 AM   #4
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Default Re: M3 Differential Mounting Bolts

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Originally Posted by Volgoat View Post
That was quick. Thank you very much, was unaware of that resource. That will be very helpful.
make sure you also get the right torque specs, front one is very tight. http://sawashie.free.fr/M3/TorqueSpe...SPECS%20LR.pdf

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'85 528e 164k miles (sold)
'05 M3 6MT coupe

All DIY: 330 ZHP steering rack, diffsonline 4.1 diff with rem polish, E60 short shifter lever, AKG black diff bushings/subframe bushings, Rogue rtab, WPC rod bearings, Beyer driveshaft, full SS (SS stepped V1, catted S1, resonated S2, SS sport), Sachs clutch/flywheel, rear main, VANOS bullet proofing with anti-rattle, valve adjustment, cooling refresh, Ohlins R&T/Swift 448f 672r/GC street tops and camber plates, AFD E85 Proflex kit.
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Old Sun, Mar-04-2018, 04:34:10 AM   #5
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Default Re: M3 Differential Mounting Bolts

Be sure to torque them correctly. I canít remember what they are off hand but i remember the single front bolt was 143lbs. If itís even a little lose the force of the engine will make the diff knock against the carrier.

The rear bolts I know are somewhat light in torque...totally different than the one front bolt.
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Old Sun, Mar-04-2018, 04:38:29 AM   #6
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Default Re: M3 Differential Mounting Bolts

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Originally Posted by rovert604 View Post
Be sure to torque them correctly. I canít remember what they are off hand but i remember the single front bolt was 143lbs. If itís even a little lose the force of the engine will make the diff knock against the carrier.

The rear bolts I know are somewhat light in torque...totally different than the one front bolt.
Yeah the front is 148, rears are actually around 55 ft lbs, their joint torque is low but then you have an angle torque to apply.

Definitely need to get the front one snug!!!!

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'85 528e 164k miles (sold)
'05 M3 6MT coupe

All DIY: 330 ZHP steering rack, diffsonline 4.1 diff with rem polish, E60 short shifter lever, AKG black diff bushings/subframe bushings, Rogue rtab, WPC rod bearings, Beyer driveshaft, full SS (SS stepped V1, catted S1, resonated S2, SS sport), Sachs clutch/flywheel, rear main, VANOS bullet proofing with anti-rattle, valve adjustment, cooling refresh, Ohlins R&T/Swift 448f 672r/GC street tops and camber plates, AFD E85 Proflex kit.
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Discussing M3 Differential Mounting Bolts in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)