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Our S65 engine tune has undergone one of the most extensive range of updates in our whole range
Worried about strength
RKP seeks to develop a purposeful design that accentuates and complements existing body lines found on the vehicle in question
The end result is a 635d which is significantly faster to accelerate and smoother to drive while at the same time returning 10-15% improved fuel economy
Additional 85-90 hp on a stock vehicle
Rod Bearing Replacement INSTALLED - BMW 3 Series E90 | E92 | E93 M3 X6M Our S65 engine tune hasRod bearings continue to be a sore subject among M3, M5 and M6 owners and in the S65 V8 have been known to fail within 60,000 miles. Rod bearings are wearing out sooner than expected and their replacement should be considered a required preventative maintenance item before 70,000 miles. When we carry out rod bearing replacement, the following parts are used 8x MAHLE upper rod bearing shells 8x MAHLE lower rod bearing shells 16x ARP rod bolts OEM Sump