I'm having quite a problem finding the correct rear springs for my 3.0i
Tried typing spec and last 7 digits into RealOEM to get BMW part number only to find "no part available"
So called Suplex UK to find the correct Suplex Part and then the fun started. Gave the guy the reg number and the full VIN. His system also could not find a recommended rear spring and he explained in their catalogue a 3.0i could have standard OR M Sport. So he decided to look up the front springs and his system gave a "standard spring". But I have always thought my car had M sport suspension as it rides much lower than a 2.0, 2.2L etc. Also when I decode the last 7 digits of the VIN it comes up that I have "S704A M Sports Suspension".
Not to worry he says, could you take off the spring and measure them and he proceeded to give me the dimensions of the "standard" and "M Sport" his system said they were both 229mm long and 144mm diameter at the max point. He seamed surprised (so was I), so he checked the diameter of the spring coils (max as they taper) and told me the diameter of the M sport is 15.3mm and related to Suplex part number 06231. The diameter of the standard was 15.75mm and relates to Suplex 06231. I asked him to double check if I had these the right way round. He suggested that the lower ride height of the M sport suspension must be due to using "softer" springs that sit lower.
He went on to say suplex springs are identical to BMW OEM parts, they are made on the same production line, and half go to suplex and half to BMW. That is a big disappointment, I was looking to switch to Suplex in the hope they would last longer than OEM.
The guy was very helpful and spent an age on the phone with me, he said himself he had never had so many problems finding springs for a Z4.
Tried typing spec and last 7 digits into RealOEM to get BMW part number only to find "no part available"
So called Suplex UK to find the correct Suplex Part and then the fun started. Gave the guy the reg number and the full VIN. His system also could not find a recommended rear spring and he explained in their catalogue a 3.0i could have standard OR M Sport. So he decided to look up the front springs and his system gave a "standard spring". But I have always thought my car had M sport suspension as it rides much lower than a 2.0, 2.2L etc. Also when I decode the last 7 digits of the VIN it comes up that I have "S704A M Sports Suspension".
Not to worry he says, could you take off the spring and measure them and he proceeded to give me the dimensions of the "standard" and "M Sport" his system said they were both 229mm long and 144mm diameter at the max point. He seamed surprised (so was I), so he checked the diameter of the spring coils (max as they taper) and told me the diameter of the M sport is 15.3mm and related to Suplex part number 06231. The diameter of the standard was 15.75mm and relates to Suplex 06231. I asked him to double check if I had these the right way round. He suggested that the lower ride height of the M sport suspension must be due to using "softer" springs that sit lower.
He went on to say suplex springs are identical to BMW OEM parts, they are made on the same production line, and half go to suplex and half to BMW. That is a big disappointment, I was looking to switch to Suplex in the hope they would last longer than OEM.
The guy was very helpful and spent an age on the phone with me, he said himself he had never had so many problems finding springs for a Z4.
1066 Country
