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      07-15-2018, 07:01 PM   #1
bcoffin23
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Preparing High Mileage N54 for Track Abuse

I just picked up a 2007 335i e92 as a daily/future track car. Details about car:

2007
91k miles
OEM Oil Cooler
New turbos at 67k miles
New thermostat, water pump, and HP and LP fuel pumps within last 30k miles

Since I bought it:
Walnut blast
Oil Change
Diff and Trans fluid to Redline Synthetic
New spark plugs and ignition coils

What other preventative maintenance should be done before I go to the track?

I currently race a fully built/spec'd 350z for TT4 and ST4 series, but want to move to the 335i platform within the next 2 years to compete in ST3 and eventually ST2.
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      07-16-2018, 06:04 AM   #2
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Vacuum lines
Vanos solenoids, clean or replace
Fmic / cp ?
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      07-16-2018, 10:48 AM   #3
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Quote:
Originally Posted by Sgop335 View Post
Vacuum lines
Vanos solenoids, clean or replace
Fmic / cp ?
Cool, thanks! I will be going with both aftermarket FMIC and CP, but my #1 focus is making sure OEM components are in proper working order before I do any modifications.

I see more failures on the track due to poor maintenance vs lack of modification.
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      07-16-2018, 01:47 PM   #4
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Quote:
Originally Posted by bcoffin23 View Post
Cool, thanks! I will be going with both aftermarket FMIC and CP, but my #1 focus is making sure OEM components are in proper working order before I do any modifications.

I see more failures on the track due to poor maintenance vs lack of modification.
Welcome! Didn't suggest fmic as modification per se, since for the track the oem ic may be so insufficient that high iats can cause limp mode.
Similar with CP, since a breakage could be an issue, although I still have my plastic oem with a flexible silicon elbow. I was looking at my list - to add
boost solenoids
RB Pcv valve
my radiator leaked at 85kmi and was replaced...
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      07-17-2018, 11:56 AM   #5
bcoffin23
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Quote:
Originally Posted by Sgop335 View Post
Welcome! Didn't suggest fmic as modification per se, since for the track the oem ic may be so insufficient that high iats can cause limp mode.
Similar with CP, since a breakage could be an issue, although I still have my plastic oem with a flexible silicon elbow. I was looking at my list - to add
boost solenoids
RB Pcv valve
my radiator leaked at 85kmi and was replaced...
We are on the same page. I will be putting in an upgraded FMIC and CP prior to heavy track use.

Boost solenoids and RB PCV Valve is something I will do more homework on. Thank you!
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      07-18-2018, 06:47 PM   #6
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Quote:
Originally Posted by bcoffin23 View Post
I just picked up a 2007 335i e92 as a daily/future track car. Details about car:

2007
91k miles
OEM Oil Cooler
New turbos at 67k miles
New thermostat, water pump, and HP and LP fuel pumps within last 30k miles

Since I bought it:
Walnut blast
Oil Change
Diff and Trans fluid to Redline Synthetic
New spark plugs and ignition coils

What other preventative maintenance should be done before I go to the track?

I currently race a fully built/spec'd 350z for TT4 and ST4 series, but want to move to the 335i platform within the next 2 years to compete in ST3 and eventually ST2.
Brake Fluid. Make sure you are DOT 4 and your pads and rotors are suitable for the track.
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      07-20-2018, 11:43 PM   #7
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Brake fluid is definitely a must but I'd change out that redline for zf fluid regardless of tracking.

Edit: assuming you're auto. If 6 speed, disregard that.
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      07-22-2018, 10:44 AM   #8
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Quote:
Originally Posted by whyzee125 View Post
Brake fluid is definitely a must but I'd change out that redline for zf fluid regardless of tracking.

Edit: assuming you're auto. If 6 speed, disregard that.
Yes, I will be going DOT 4 fluid. It is 6MT, so I will be going with Redline MT fluid as well as their diff. gear fluid.
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