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codesx codesx is offline
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Posts: 579
Join Date: Feb 2018
Car: 2008 335i Vert (E93, N54)
Default 04-22-2019, 05:35 PM

Quote:
Originally Posted by DeepEddy
Dont forget that oil and coolant both go to the factory turbochargers. They are on the passanger side and the cores are not exactly bullet proof. Possibly cracked during the winter if your coolant mixture is not exactly 50\50 and it froze

Thanks DeepEddy and all.

I find the realoem diagrams of the turbos and cooling hard to follow.

Are there better resources to understand circulation direction, etc?

I honestly didn't realize the turbos had coolant to them. Silly me.

I don't see it as relevant, but I did shred my serpentine belt just prior to garaging for the winter. While most pulleys had belt wrapped around them, the crank pulley had none, and the seal is in perfect shape with no leaks.


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2008 335i Convertible, E93, N54, A/T (190,000+ km)
Wheels: 322 | Tires: R.275/35r18, F.245/40r18
TUNE: JB4 Map 1 | PUMP BEF | 94 Octane | @15 PSI
BMS: JB4 | BMS WMI @ 50/50 (CM10) | BMS 5" FMIC | BMS OCC | BMS DCI
xHP Stage 3 (v2.0)
VRSF CP | HKS BOV
NGK 5992 Plugs @ .020
RB PCV Valve

Maintenance:
2018 - A/T Replaced | Plugs | Ign Coils | Walnut Blasting
2019 - VCG | OFHG & O-rings | Alternator w/ Clutch Pulley | Water Pump & T Stat
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