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      02-20-2017, 10:24 PM   #2
lens
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Drives: 2018 340i xDrive
Join Date: Sep 2015
Location: Halifax NS, Canada

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Quote:
Originally Posted by GTBrandon View Post
So I have a FBO N55 motor with a custom flash on it, and wanted to know when the best intervals are for fluids and filters. I know with the mods I have, it pushes the car harder meaning more frequent services, but wanted to know exactly when those would be. Things I'm interested in are:

Oil:
Transmission Fluid:
Differential Fluid:
Transfer Case Fluid:
Power Steering:
Coolant:
Brake Fluid:
Fuel Filter:
Spark Plugs:

Anything else I'm forgetting?
Oil: 5000km if driven hard, 7500km if most highway and barely driven hard.
Transmission Fluid: 65,000 miles
Differential Fluid: 65,000 miles
Transfer Case Fluid: 65,000 miles
Power Steering: None, it's electric, swap the belt every 60,000 miles
Coolant: 30,000 miles or once a year if you track alot
Brake Fluid: Same as Coolant.
Fuel Filter: 50,000 miles
Spark Plugs: depending on what boost you're pushing, normally 25,000 miles if stock plugs, 30-35,000 miles for iridium.
Appreciate 1
GTBrandon260.00