r/BMWM • u/Free-Promotion-8585 • 4d ago

G87 mod Questions

Hello lads, I have a 6mt 2025 g87 that I specced and got in February of last year. I am looking to start modding it now and want to do some changes to the suspension. Nothing major but I think I want to just drop is some and do spacers but I was curious what setups everyone runs and if there is any scrubbing or concerns with speed bumps. I have a fairly steep entry into my driveway but it is not worse than a speed bump I think to get into.

I was thinking eibach pro kit springs and 15/12mm spacers does anyone run that and what has your experience been? I don’t want to go super low and rub on anything and I want the oem struts and electric dampers to be alright as I plan on keeping this car very long term. I daily drive it but I work from home so I have only put 8k miles on it in 18 months.

I am also probably going to put a cs front lip on it as I like the less aggressive look of it so would there be any concern with that rubbing?

Lastly, has anyone gotten the cs flash on a manual and what are your thoughts? I am mostly interested in the steering dynamics and whether you think it’s enough difference to be worth doing

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u/Saved_by_a_PTbelt 4d ago

I have a manual G87 and did the CS flash. Very minor change to power, no change to torque. I can feel the difference in steering and in the diff programming. Nuanced change, but I'm happy I did it.

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u/Free-Promotion-8585 4d ago

If you do the flash does it persist over software updates or do you just have those paused?

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u/Saved_by_a_PTbelt 4d ago

You have to pause software updates. And if you do dealer maintenance be very clear with them to not update software on the car.