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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > ZSP Springs letter/# combo?



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      12-20-2008, 04:07 PM   #1
ni8shadow
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ZSP Springs letter/# combo?

Switched to ZSP springs and BMW perf suspension a while back. But was looking at Mr. 5's car, which has ZSP springs and BMW perf susp, and the wheel gap in the front on his is smaller than mine.

Wanted to know what the letter and number combo is on the sticker on ZSP springs. I loked at mine and it says "D6." The non zsp springs I have read
"C3." Is D6 the code designated to Sport susp springs?

Thanks!
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      12-21-2008, 04:27 AM   #2
Josephkao
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I think mine is D5
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      12-21-2008, 03:28 PM   #3
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Wow, I've seen D4, I have D6, and you have D5. I wonder if they have different spring rates or are different sizes
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      12-21-2008, 06:34 PM   #4
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I have a set of sports package springs off a '09 335i, and their tag says D7

my non zsp springs on the 325 are C-something.

There could be differences based on coupe vs sedan, and also, the 335 is heavier than a 328, 325, etc, so that may account for more wheel gap on your car.
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