BMW 3시리즈 수리 사례
G20 (2018-현재) · 320d
총 비용
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공임
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부품비
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소요 시간
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2026. 7. 12. 작업
난이도 & 준비물
증상
BMW E46 3-Series M3(S54B32)와 330(M54B30) 엔진 비교 시 같은 NA 인라인 식스 실린더이고 VANOS를 모두 사용하는데도 출력 차이가 큼 (M54: ~230HP vs S54: ~340HP). 배기량 차이(3.0L vs 3.2L)로는 설명할 수 없는 큰 성능 차이의 원인이 무엇인지 궁금함.
처리 내용
M3(S54) 엔진의 주요 장점들: 1) 엔진 블록 재질 - 330은 알루미늄-실리콘 합금이지만 M3는 주철 블록 사용으로 고하중에서 변형 저항성 우수. 2) 압축비 - M3는 11.5:1, 330은 10.2:1로 더 높음. 3) 캠축 리프터 - M3는 솔리드 리프터로 고회전 대응 (8,000rpm vs 330의 유압식 7,500rpm). 4) 캠샤프트 프로필 - M3는 더 적극적인 프로필로 밸브 오버랩 증대. 5) 스로틀 바디 - M3는 실린더당 독립 스로틀 바디(ITB) 채용으로 각 기통에 최적화된 흡입 공기 공급, 330은 플레넘 챔버 방식.
출처
이 사례는 Stack Exchange (미국)에서 수집한 데이터입니다.
신뢰도 4.1점(높음) — 출처 소스의 전문성/검증구조를 기준으로 산정된 점수이며, 정확성을 보장하지 않습니다.
원문 보기 ↗BMW 3시리즈 다른 정비 사례
Been and collected it this lunchtime after another test drive and I read the codes whilst out & about and thankfully zero issues Will collect the 18" alloys & winter tyres ASAP and then sell the 403Ms off; they've just been refurbed but a) I don't like them that much, b) not a fan of black wheels at all and c) the RFTs are crap Parts already been ordered (OEM velour mats and M Sport grilles via Cotswolds BMW) and a full oil & filter change kit etcThe parts list will continue to grow haha
Been and collected it this lunchtime after another test drive and I read the codes whilst out & about and thankfully zero issues Will collect the 18" alloys & winter tyres ASAP and then sell the 403Ms off; they've just been refurbed but a) I don't like them that much, b) not a fan of black wheels at all and c) the RFTs are crap Parts already been ordered (OEM velour mats and M Sport grilles via Cotswolds BMW) and a full oil & filter change kit etcThe parts list will continue to grow haha
Been and collected it this lunchtime after another test drive and I read the codes whilst out & about and thankfully zero issues Will collect the 18" alloys & winter tyres ASAP and then sell the 403Ms off; they've just been refurbed but a) I don't like them that much, b) not a fan of black wheels at all and c) the RFTs are crap Parts already been ordered (OEM velour mats and M Sport grilles via Cotswolds BMW) and a full oil & filter change kit etcThe parts list will continue to grow haha
FoolsErrand said: The exterior wouldn't stop me buying one, but the interior would.The front view of the red one also looks a fair bit like a Honda Civic Type R to me, but worse.weight and size is stopping me, + interior. I actually don't mind the desing.
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