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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Heat Exchanger Bolts Torque Specs
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      03-03-2024, 06:41 PM   #1
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Heat Exchanger Bolts Torque Specs

I replaced head exchanger gasket 7 months ago and now noticed trace of oil leaks. At the time I reused existing bolts (M8X20) because I had ordered wrong ones (M8X25, other heat exchanger type) and needed to get the job done at that time.

For those with ISTA and Service Repair Manual I have two question before I proceed to fix oil leak.

1). What is torque specs for item #10 (prevoiusly used torque chart shown).
2). Is manual telling us to reuse the bolts or new ones are must per manual.

Thanks in advance. Regards
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Last edited by Conserve; 03-03-2024 at 07:12 PM..
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      03-04-2024, 09:35 AM   #2
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16nm, can reuse bolts.
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      03-04-2024, 07:18 PM   #3
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Unspec Thank You for your respond. I am going to monitor it now and if it continues to leak I will replace gasket with OEM ones. Because I double check torque specs and it is right-on and with that it leaves me to think is the gasket.
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      03-15-2024, 10:50 PM   #4
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Quote:
Originally Posted by Conserve View Post
Unspec Thank You for your respond. I am going to monitor it now and if it continues to leak I will replace gasket with OEM ones. Because I double check torque specs and it is right-on and with that it leaves me to think is the gasket.
I just got this gasket and the OFHG and I have watched and read it must be done very carefully, thankfully on my car it has been replaced already at around 40k however I am waiting for the day to see the leak appear from around that area. Hope you got it all taken care of!
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