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02-05-2020, 07:29 PM
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#21
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Brigadier General 
Drives: 2007 335i
Join Date: Aug 2019
Location: Missouri
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I have a similar leak coming from my N54 with 6AT transmission. I pulled that rubber inspection port cover right under the torque convertor to see if it was the main seal leaking....but you can't see anything at all, even with a borescope.
Is there any way to know for sure that the rear main is leaking? Or do you have to pull the transmission just to see?
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2007 335i, BMS DCI, BMS Chargepipe w/Tial BOV, ARM Catless Downpipes, silicone inlets, Bilstein B12 Prokit Suspension, Whiteline subframe bushings, Front/Rear M3 control arms, G-Plus FMIC, Stage 2 LPFP, Custom E40 tune by Justin (V8Bait), xHP stage 3 transmission flash, RB Two Turbos....10.90 @ 128mph  |
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