EMU emission sensors

[Z3andZ4]

Hi all

Z4M coupe Sept ‘06 done 44,000 miles.

After being SORN through lockdown etc returned to the road and immediately got the orange EMU light.

Local workshop advising all FOUR, yes FOUR, emission sensors need changing out at £240 plus VAT each plus labour.

Any idea if all four sensors are the same - been told 2 pre cat and two post cat. But even so surely the chances of all four being shot at the same time are close to zero……..

Any help or advice seriously appreciated.

Meanwhile in other news my Z3 will clock 130,000 next month!!!!!! Still love her too.

Thank you anyone replying.

Neil