[RaidersFan]

I am about to purchase a 335i, 2011 e90, sport suspension from the factory. While this is a pretty decent setup, I do have a set of Bilstein HD's in my garage from an intended install on a 328i that didn't happen. How much of an upgrade would this be? They should work with the sport springs, as I understand. I am happy with the 335i ride heigh: I drive in snow in the winter, and can't run a lowered car.

If I am going to do the install myself, what else would I need in terms of parts? Any other cost effective upgrade to check out since I am doing the suspension? Also, can you recommend a good manual or tech guide?

[Bbox]

Same question here. I like my standard sport suspension, but need to replace the shocks. Does anyone know the difference between Bilstein HD and Bilstein Sport? Is the HD ideal for the standard suspension, while the Sport is ideal for the Sport suspension?

[RaidersFan]

Originally Posted by Bbox

Same question here. I like my standard sport suspension, but need to replace the shocks. Does anyone know the difference between Bilstein HD and Bilstein Sport? Is the HD ideal for the standard suspension, while the Sport is ideal for the Sport suspension?

I hear the HD's work well with sport springs. Not sure about stock non-sport springs.

[cdgatti]

Just to add some facts to this thread for future searchers.... The Bilstein HD shocks work well and are recommended for both the sport and non-sport oem BMW springs. The Bilstein Sport shocks are recommended when using lowering springs like the eibachs or H&R sport springs.

[nikitino25]

Originally Posted by dawgcatching

I am about to purchase a 335i, 2011 e90, sport suspension from the factory. While this is a pretty decent setup, I do have a set of Bilstein HD's in my garage from an intended install on a 328i that didn't happen. How much of an upgrade would this be? They should work with the sport springs, as I understand. I am happy with the 335i ride heigh: I drive in snow in the winter, and can't run a lowered car.

If I am going to do the install myself, what else would I need in terms of parts? Any other cost effective upgrade to check out since I am doing the suspension? Also, can you recommend a good manual or tech guide?

Here's a good coilover install video that you can check out:

You will need to rent a spring compressor additionally from autozone or similiar. I would also recommend getting a bentley manual. You'll also need to either cut out a socket like the one in the video or use an impact wrench on the front shock top nuts. There are some nuts and bolts that are recommended to be replaced also such as the top hat nuts and also the shock top nuts and pinch bolts and nuts to name a few off the top of my head. I would definitely recommend installing the Bilsteins, the stock shocks are crap...

[Bbox]

Originally Posted by cdgatti

Just to add some facts to this thread for future searchers.... The Bilstein HD shocks work well and are recommended for both the sport and non-sport oem BMW springs. The Bilstein Sport shocks are recommended when using lowering springs like the eibachs or H&R sport springs.

Cool, thanks!