ignition timing

which is commonly found in various BMW models

bigger is better

O-ring style fittings must be used in these ports

Quick start guide

ARP Flexplate Bolt Kit ZF 8HP B58 5150-HPVSK-M42 ignition timingThe ARP flexplate bolt kit is crafted from ARP2000 material for the BMW Toyota B58 ZF 8HP transmission. The factory BMW bolts are torque to yield and designed for one time use only. Engineered for durability and reliability, these ARP2000 flexplate bolts provide superior performance under the most demanding conditions. With improved load distribution and higher clamping strength than stock, this bolt kit is ideal for high performance and high