Intake Manifold Repair Kit – Opel Z14XEP / Z12XEP Twinport | OEM 5850676Intake Manifold Repair Kit Opel Z14XEP Z12XEP Twinport OEM 5850676 Fix Intake Manifold Failure on Your Opel Twinport Engine Complete Repair Kit. The Opel Z14XEP and Z12XEP Twinport engines use a variable intake manifold (Twinport) to optimize airflow at different engine speeds. When the internal components of the Twinport system wear or break, the variable intake stops functioning causing rough idle, fault codes, and reduced performance. This complete

Designed for compatible BMW M52TU

04L103469E and 059103470CA as the main OEM references for the same PCV / crankcase ventilation valve type

While the dealership will try to sell you the entire oil separator assembly for $300-$500

Motor diameter: 37 mm

not a repair kit or complete oil separator assembly

This 2-piece set (left and right manifold) replaces the pins before failure occurs

7 CDi | W168 / W414 | OEM 6680100062

GL-Class X164

controlled operation on cold start

N57S and N57X engines

Restores Boost Control: New gear restores correct wastegate positioning and proper boost pressure

be sure to pay attention to the P / N of your valves: P/N 64116910544