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      03-14-2020, 12:35 AM   #5
kawi008
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Drives: 2014 BMW 435i M Sport
Join Date: Sep 2013
Location: United States

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Quote:
Originally Posted by jh_f30 View Post
Congrats and welcome!

Car looks great and sounds like a great spec. Just have a few suggestions about your planned mods:

Tune - you listed JB4. Most would agree that a flash tune is a better all-around option. Bootmod3 or MHD are the most popular and will thus likely have the most available support on the forums.

Tires - Pilot Sport 4Ss are the successor to the Super Sports which I believe are being phased out. Consider them, and cross shop between the two.

LSD - Is the M3/4 LSD compatible with the F3x platform? I've personally never heard of this being an option and I surmise that it's because it doesn't fit, but I could certainly be wrong. The BMW M Performance LSD is discontinued, but you might be able to find one somewhere, otherwise, there are some aftermarket options available (Quaife & Wavetrak being the ones I've seen).

Bolt-Ons - You'll probably hear some feedback about using VRSF parts and people complaining about fit & finish. I personally have their catless downpipe and chargepipe and have had absolutely no issues with either. Just be prepared for the VRSF haters chiming in. I'd recommend prioritizing the chargepipe as it's a known weak point and there have been several cases of them blowing even under stock boost. Given the age/mileage of your car, I'd suggest doing that first.

Good luck with your build! Looking forward to seeing it progress!
Thanks for all the insight and I'm sooo stoked to get this stuff rolling

Just our of curiosity, since I have the JB4 already can I use it for now until I swap the other recommendations? Will this do any damage to my car?

Thanks!
Appreciate 0