Browsing the bay as you do, and this looks like the ZHP? http://www.ebay.co.uk/itm/BMW-M-TECH-6-SPEED-LEATHER-GEAR-KNOB-E36-E46-E60-E82-E87-E90-E92-E93-Z4-M1-M3-M5-/251069754660?pt=UK_CarsParts_Vehicles_CarParts_SM&fits=Model%3AZ4&hash=item3a74ec6d24#ht_500wt_1413
However, I think the genuine...