BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

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      11-19-2013, 11:54 AM   #1
dannypwr
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08 135i sport front suspension woes

Need some input on what to change. I think my front suspension is crap, it bottoms out one undercarrige when I go over high speed bumps. Not sure if i should be looking at the strut or spring , can you guys help?
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      11-21-2013, 11:44 AM   #2
dannypwr
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looking at some Bilstein replacement any suggestions

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      11-21-2013, 12:56 PM   #3
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any noises when hitting a bump on one corner? Might be worth jacking up at corner, take wheel off and just look for leaks on the damper. They get real bouncy if you blow one.
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      11-21-2013, 01:17 PM   #4
dannypwr
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Driver side seems bottom more than the passenger side.
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      11-21-2013, 01:38 PM   #5
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Could be failing shocks. How many miles are on the car? Might be time to think about Koni yellows!

-Mike
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      11-21-2013, 03:18 PM   #6
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Its a 2008 with 22k , suck to be out of warranty. Wanna keep something near stock, for NY roads
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      11-21-2013, 06:31 PM   #7
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BMW suspension on the 1 series doesn't have much travel, so you will always hit the bump stops no matter what.

Decent shocks will help a bit though. I would also get a M3 front sway bar to help add body control for road use while maintaining the stock comfort level. The sway bar adds stiffness that can actually make the car ride better over potholes. If you concern about handling, the rear subframe bushings need attention too but unfortunately that costs some more $$.
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      11-21-2013, 08:07 PM   #8
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Quote:
Originally Posted by dannypwr
Its a 2008 with 22k , suck to be out of warranty. Wanna keep something near stock, for NY roads
Aftermarket suspension, of chosen correctly can be more comfortable than the stock suspension, even on bumpy roads as well as perform better.

I have the full front and rear M3 arms (stiffer bushings and less deflection), solid subframe bushings, moton shocks and swift springs that are more than 3 times stiffer than stock at the front and twice as stiff in the rear and the car is more comfortable with the shocks set to soft than with the M-sport suspension. True story.
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      11-21-2013, 10:19 PM   #9
dannypwr
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john which m3 sway should i be looking at?
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      11-22-2013, 01:41 AM   #10
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Quote:
Originally Posted by dannypwr View Post
john which m3 sway should i be looking at?
The E92 M3 one will work well if you are keeping close to a stock setup and retain the stock 12mm rear sway bar that comes on the 135i.
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      11-24-2013, 05:33 PM   #11
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which bilstein am i suppose to buy?
http://cart.bilsteinus.com/search/mm.../drivetype=RWD
geting confused. I have a 2008 135i convertible with 6sp steptronic w paddles. My steering wheel does have a M on in, does that mean I have the sport package? I do have staggered 18"s
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      05-17-2014, 07:28 PM   #12
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got the B8 and hotchkin m3 sway finally installed , now its a whole lot better
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      07-04-2014, 11:01 PM   #13
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Quote:
Originally Posted by dannypwr View Post
got the B8 and hotchkin m3 sway finally installed , now its a whole lot better
Where did you buy Bilstein?
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"The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is
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      07-04-2014, 11:44 PM   #14
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local shop ordered for me
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