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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > EGR Delete post DPF removal



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      11-19-2018, 06:05 AM   #1
theeld
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EGR Delete post DPF removal

After removing DPF/SCR/EGR and the EGR Cooler that attaches to DPF (Low Pressure EGR). Is there any benefit to replacing the High Pressure EGR (Which I believe is towards the top front of the engine).

Last edited by theeld; 11-19-2018 at 06:27 AM..
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      11-29-2018, 09:50 PM   #2
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When you say “removing”, I presume you mean deleting? If yes, you would have already tuned your DDE to remove the others. Personally have never heard of taking off the LP one and not taking the HP off at same time. The HP EGR is one that causes soot to get into intake. So, it’s most detrimental to stay on. Pull it. Get the AARodriguez race pipe to get rid of EGR valve too. Alternative is the Bimmertune EGR delete.

Last edited by BB_cuda; 11-29-2018 at 09:56 PM..
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      11-30-2018, 09:55 AM   #3
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i assume that the OP has an X5? the 335 does not have a LP EGR..

removing the HP EGR or blocking the flow into the intake is the best option tuned or stock to prevent carbon build up.
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      11-30-2018, 06:20 PM   #4
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Quote:
Originally Posted by 335stoner View Post
i assume that the OP has an X5? the 335 does not have a LP EGR..

removing the HP EGR or blocking the flow into the intake is the best option tuned or stock to prevent carbon build up.
Yep, only X5. Like I say, never heard of someone removíng only the LP side cooler.
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