– The Spring Retainer replaces the weak factory retainer.
– With this set, the risk of valve flutter and a possible engine failure is minimized.
– They offer excellent weight reduction vs. stock retainers and are extremely strong, and more durable.
Fitment:
BMW E36 and Z3 with m50 and m52 Engines.
BMW E34 with m50 Engines.
* Installation should only be performed by a qualified car mechanic!





