291 vote
I only replace shocks and struts with Billstein. You pay for what you get these days and I’ve replaced OE struts only to find out the leaking OE struts performed better than Monroe or KYB’s.
Tuned by STI. Often shortened to TBSTI. Was never available in North America. You get some exterior bits including wheels, Brembo brakes, STI 6 speed, Bilstein struts & other suspension improvements, some interior bits (namely seats), strut tower brace, different mufflers, and of course the ECU tune.
I've been on B4s for two years on my 2nd gen. Granted they're on springs that sit almost an inch lower than OE height, but performance is solid and consistent all the same. Id imagine they're even more plush at OE height versus that small amount of preload from sitting slightly lower. Worth the money.
Bilstein is low quality
Black if you want original ride quality. Yellow if you want a stiffer ride but with better quality damping and you’re not price sensitive.
My yellow billys are awesome
Your Kia Sorento doesn't need the yellow B6/B8 struts. Lol. The black B4 will give you the original ride height and oem ride quality. The yellow ones are for performance.
I replaced both front struts with Bilstein B4s EDC. I gained about an inch from stock ride height.
I had B6 EDC front struts installed on my f31, and the same thing happened to me - the front was substantially higher after installation than it was with the OEM front struts.
I know Bilstein struts will sit higher than normal. Even though they are supposed to replace the oem struts. I had the same issue and ended up just using the Bilstein B8s with lowering springs.
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The brand is registered in Germany.
In March 2026, PartReview users have a mixed opinion of Bilstein strut assembly.
PR Score — 77 out of 100, based on 95 reviews and 291 vote. 69 positive reviews, 9 neutral reviews, 16 negative reviews. Average rating — 3.8 (out of 5). Vote balance: 225 up, 66 down.
In the ranking of the best strut assembly this part is at position 1 ahead of KYB and KONI.
Users also evaluated the qualities of Bilstein strut assembly:
See which car brands and models owners choose Bilstein strut assembly for. Below are car-specific ratings where this part is in the Top-3:
There are 5 comparisons of Bilstein strut assembly with other manufacturers on PartReview.
In particular, see which strut assembly are better: Bilstein or Sachs, Monroe or Bilstein, Bilstein or GABRIEL, Bilstein or KONI, KYB or Bilstein .
