clk320 cdi 07 O2 Sensor

[ellmo]

Hi all,

have had this fult come on and off for a little while now, seems to make very little difference to driving.
However i went to order the part from EPC and they stock 2 versions, any idea what one i need?



P0130 o2 sensor B1 S1
P1035 o2 sensor heater B1 S1

 

[ellmo]

bump

 

[MBCLKsport]

Bosch 0258017014 LS17014