Is Alignment necessary after changing

Yessir. Anytime you touch the suspension you will almost always need an alignment aftewards. Unless you don't have a problem with excessive treadwear and a constant tug on the steering wheel when you hit the throttle.
 
Huh. I would tend to disagree.

We just installed MS3 springs on our M5. The front alignment cannot be changed unless you mess with the steering rack. Don't change the end links - and the car should track straight.

And the rear, just make sure you adjusted the rear toe on the trailing A arms (two 17mm) and you should be fine.

Once I'm done messing around, I'll get it aligned - but after a spring install, it drives straight, tracks straight, and no pulling...

m.
 
anytime i touch the suspension i get an alignment....but i also got lucky and caught a deal at firestone for lifetime alignment for like 150 bucks....too bad they didn't count me me keeping my car....good stuff
 
Huh. I would tend to disagree.

We just installed MS3 springs on our M5. The front alignment cannot be changed unless you mess with the steering rack. Don't change the end links - and the car should track straight.

And the rear, just make sure you adjusted the rear toe on the trailing A arms (two 17mm) and you should be fine.

Once I'm done messing around, I'll get it aligned - but after a spring install, it drives straight, tracks straight, and no pulling...

m.

+1 to that. I didn't get alignment done, cuz there was no problem after replacing springs.
 
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