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      01-06-2018, 06:09 PM   #1
drwillb
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Valve cover gasket "While You're In There" list

2012 135, N55, 73k miles

I've had a smell of burning oil coming through the AC vents for a couple of months now and there was a period where I see the oil level dropping each week. Right now, the oil level has been steady for about 4 weeks but there's still a faint smell of oil in the cabin. There is no hint of smoke out the back so I don't think I'm looking at the turbo that's going.

So, here's what I'm thinking of doing once we get some warm weather going in the Northeast. Please let me know what else I can address, like VANOS.

Valve cover gasket
plugs
coils
camshaft position sensor O-rings
oil filter head gasket
oil cooler gasket
replace all vacuum hoses
remove DME for MHD unlock (I can drive it up to Justin since he's about 45 minutes away)
replace intake manifold gaskets/O-rings (I don't re-use any kind of seal/gasket)
serpentine belt
belt tensioner
idler pulleys
aluminum water hose fitting from eBay: https://www.ebay.com/itm/BMW-335i-11...53.m2749.l2649
Boost solenoid
GFB DV+ (stage 1 turbo to go with that?)
Catless DP
Delete JB4
Add MHD
PS1 turbo



I’ve already got JB4, charge pipe, AA intercooler, BMS filter, BMS catch can, and Performance exhaust.



I'm also contemplating a turbo upgrade........cause I'm in there.

Anybody have input on VTT vs. Pure vs. others stage 1? I'm not looking for max HP but would like to make power through the rev range. What I've read about the VTT stage 1 is that they use the stock turbine but a new compressor so I'm thinking that spool should be about the same as stock but I'm worried that the turbo will run out of breath at the top end, like the stock unit. Pure uses new turbine and compressor wheels so top end stagger is fixed but I don't know what happens on the bottom end.
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Last edited by drwillb; 04-06-2018 at 09:02 AM.
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      01-06-2018, 07:24 PM   #2
james1986_135i
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serpentine belts!
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      01-06-2018, 08:19 PM   #3
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Quote:
Originally Posted by james1986_135i View Post
serpentine belts!
Yes. I actually ordered that today but forgot to put on my list above. Iíll add that now and keep updating as I go.

Thanks
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      01-23-2018, 12:21 PM   #4
drwillb
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I got ready to do an oil change this weekend but found oil all around the motor: under the intake manifold, in the front by the cam sensors, on driver side at oil pan gasket, at rear/tranny junction. So, I didn't do the oil fearing that the oil pan or rear main had gone.

I'll start with the valve cover and other bits as listed above, clean everything I can get to and then see if oil pan or rear main are culprits.

I'm a "while you're in there" kind of person so oil pan or rear main = time for upgraded clutch, rebuild shifter, TO bearing, pivot pin, etc.

As it stands, valve cover gasket = remove manifold, take DME to Justin at Twisted Tuning for unlock/MHD flash.

Does it ever end?
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      02-11-2018, 12:54 PM   #5
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Just added more items to the list


What about VANOS stuff?
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      02-26-2018, 07:08 PM   #6
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Quote:
Originally Posted by drwillb View Post
Just added more items to the list


What about VANOS stuff?
The vanos solenoids are easily replaced so I wouldn't touch them unless you are seeing issues. You can log requested vs actual solenoid activation and see if theres anything strange
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      02-27-2018, 07:27 AM   #7
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No of course it never ends. Don't fool yourself
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      02-27-2018, 06:52 PM   #8
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Quote:
Originally Posted by breakfastreatre View Post
The vanos solenoids are easily replaced so I wouldn't touch them unless you are seeing issues. You can log requested vs actual solenoid activation and see if theres anything strange
Good tip, thanks.
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      04-06-2018, 09:01 AM   #9
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I was hoping for good weather this weekend but it doesn't look like it's going to happen. Too and damp to be in the garage for extended periods.

One more item on the list:

PS1 turbo


That's what happens when I have too much down time. Yes, I know most will say why bother with stage 1? Well, I'm not interested in big HP and I want to run straight pump 93 without getting into meth. When I go to the track I do road courses, not straight line stuff, so I'll be able to make good use of that last 1000 rpm with full boost instead of having the turbo run out of breath. Between that and MHD I should be OK.
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