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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > True Coilover Rear Conversion: Benefits?



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      09-10-2012, 01:29 PM   #23
TSM330i
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I was looking into Intrax coil-overs for a Z4 race car build, but they are using a true coil-over so it would not be legal for BMWCCA events.

Here is the link to e9X applications from Intrax:
http://www.intraxracing.nl/?cat=prod...M3_dampers_1K2

The BMW Motorsports team uses them on the new Z4 GT3.
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      09-10-2012, 01:46 PM   #24
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Quote:
Originally Posted by TSM330i View Post
I was looking into Intrax coil-overs for a Z4 race car build, but they are using a true coil-over so it would not be legal for BMWCCA events.

Here is the link to e9X applications from Intrax:
http://www.intraxracing.nl/?cat=prod...M3_dampers_1K2

The BMW Motorsports team uses them on the new Z4 GT3.
What I would give to have a Z4 GT3 with the S65 and that kit.
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      09-10-2012, 03:14 PM   #25
TSM330i
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Quote:
Originally Posted by turugara View Post
What I would give to have a Z4 GT3 with the S65 and that kit.
About 340,000 Euros ($434,000)!

http://www.bmw-motorsport.com/en/cars/bmw-z4-gt3.html
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      09-10-2012, 05:31 PM   #26
techwhiz
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One of the big issues with e36 (used to have one) and e46 cars is the sheet metal for the rear shock mount. There is no reinforcement. On the convertibles there was an additional plate that can go on top of the sheet metal and create a sandwich of the flimsy body metal.

not sure what my e90 looks like, but based on my experience with e30 and e36 cars I wouldn't do anything without reinforcing where the RSM bolts up.
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