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The BMW Range
5 Series
E60, E61
E60 525i ecu into E60 523i
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<blockquote data-quote="attenbrough" data-source="post: 432718" data-attributes="member: 20314"><p>Brader, the cylinder in the 525 and the 530 block is different in sizes.... becareful man... you may bore your block and put in a bigger piston but the durability of your block might be weakened....an old fren of my blow his 3.2 block so he had to put in a 2.5 (cheaper ma..hehe) but he also throwed in a 3.0 piston which gave him good top end... in which he blew his gear box... hehe... :rock:</p><p></p><p>So... If not ready to blow here and there... i suggest remapping to be the safest for now...</p><p></p><p>Good luck ya...</p></blockquote><p></p>
[QUOTE="attenbrough, post: 432718, member: 20314"] Brader, the cylinder in the 525 and the 530 block is different in sizes.... becareful man... you may bore your block and put in a bigger piston but the durability of your block might be weakened....an old fren of my blow his 3.2 block so he had to put in a 2.5 (cheaper ma..hehe) but he also throwed in a 3.0 piston which gave him good top end... in which he blew his gear box... hehe... :rock: So... If not ready to blow here and there... i suggest remapping to be the safest for now... Good luck ya... [/QUOTE]
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The BMW Range
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E60 525i ecu into E60 523i
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