Quote:
Originally Posted by Dmitry83
OK, let's go with 428i vs 328i (Pre-LCI accordingly).
4 and 3 have different
- shocks
- front & rear subframes
- rear knuckles (or hub- don't know that part exact name on English)
Last two make the track (axle) 14mm wider.
Rear sway bars of both 4 and 3 are equal 12mm with standard suspension.
3 has 13mm with M-Technik, 4 has 14mm with 14mm M-Technik.
Front sway bars are equal- 24mm standard and 24,2mm M-Technik.
Also 4 has the reinforcement V-bar under the bottom.
All the control arms & bushings are equal.
That's all the differences- seems nothing dramatic, but as a bit experienced drivers know the different settings of springs and shocks can transform a car you cannot recognize it if driving blind.
For now having added the bits in the signature I've finally got a true BMW feel. (Will also risk to install M135i front and rear sway bars this week!)
430i vs 330i (LCI):
Shocks are new to Pre-LCI on both 4 and 3.
Rear subframes- unchanged.
4 rear sway bars are now same 12mm for standard, 14mm (former M-Technik) for Adaptive, 15mm for M-Technik
3 rear sway bars options are unchanged.
4 front sway bar M-Technik is 25mm, while 3 has 24,6mm M-Technik. Standard ones are equal for 4 and 3- no data on thickness, but seems 24mm as on Pre-LCI.
Again- all control arms & bushings are equal on 4 and 3- only the front axle is wider by 14mm and rear axle- by 22mm on 4 Pre-LCI.
LCI 4 and 3 have equal front axle, rear is just 6mm wider on 4.
That's all, folks!)
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You list shocks being different in your list but not springs. Are the springs different as well?