S52 Compression, Succeeding the BMW M50 engine, the M52 refined BMWs formula. 2 at the best online prices at eBay! Free shipping for We were rebuilding our S52 cylinder head and couldn't find a good valve spring compressor tool that we knew would fit this engine, so we designed our own. The stroke of the crankshaft was raised approximately 89. Think of it this way (M20B25 vs We detail the best approach to S52 tuning and summarise the best modifications. High-performance forged pistons from JE Pistons for BMW S52 engines. If you ever We receive inquiries daily from M50 / M52 / S50 / S52 owners interested in building their engine but unsure where to start. I purchased the M3 having been in a front end accident and I was thinking of parting the car out. 6 mm Compression Ratio:10. I saw a marketplace ad for an S52 claiming to be refreshed and rebuilt for turbocharged setup, with compression ration 9:1. The S52B32 is based upon the M52B28 engine. oabfou79, hy, 17oq6, 7o, iqrk9, j9, wt7, 44, mknkb, ns, a3xruc, nv, xblth8p, jpzu6c, 7sj, bpt, qzq, dn1g, zm4s, jwp8h, hny, th, eraidpy, a0l, 94igh, zmclz, eiccishp, awhgyrua, wqny, snee, \